{"title":"Fish Doxy","description":"\u003cdiv class=\"collection-description\"\u003e\n\u003ch1 class=\"page_heading\"\u003eFish Doxy — Doxycycline for Aquarium \u0026amp; Ornamental Fish\u003c\/h1\u003e\n\u003cp\u003eCalVetSupply's Fish Doxy contains Doxycycline — a broad-spectrum tetracycline-class antibiotic highly effective against a wide range of bacterial infections in ornamental and aquarium fish. Available in 100mg capsules, Fish Doxy is a trusted choice for fish keepers dealing with columnaris, fin rot, bacterial gill disease, popeye, and other persistent bacterial conditions that require reliable broad-spectrum coverage.\u003c\/p\u003e\n\u003cp\u003eFish Doxy is commonly used to treat columnaris (Flavobacterium columnare), fin rot, tail rot, bacterial gill disease, popeye (exophthalmia), mouth rot, cotton wool disease, and gram-negative bacterial infections in freshwater and saltwater ornamental fish. Its tetracycline-class action delivers dependable coverage against both gram-positive and gram-negative aquatic pathogens, making it one of the most versatile fish antibiotics available for general bacterial disease management.\u003c\/p\u003e\n\u003cp\u003eFish Doxy works by inhibiting bacterial protein synthesis — blocking the 30S ribosomal subunit to prevent bacteria from producing the proteins needed to grow and reproduce. This mechanism gives Doxycycline an advantage over cell-wall-targeting antibiotics like Fish Mox and Fish Flex, making Fish Doxy particularly effective against intracellular bacteria and conditions involving the gills, eyes, and mouth of ornamental fish. All Fish Doxy products at CalVetSupply are for ornamental aquarium fish use only and available without a vet prescription.\u003c\/p\u003e\n\u003ch2\u003eWhat Is Fish Doxy?\u003c\/h2\u003e\n\u003cp\u003eFish Doxy contains Doxycycline, a second-generation tetracycline-class antibiotic that works by blocking bacterial protein synthesis at the ribosomal level — preventing harmful bacteria from growing and spreading throughout your aquarium. Fish Doxy 100mg offers reliable broad-spectrum coverage against both gram-positive and gram-negative bacterial pathogens, making it one of the most versatile and widely used fish antibiotics for ornamental fish care.\u003c\/p\u003e\n\u003ch2\u003eWhat Does Fish Doxy Treat?\u003c\/h2\u003e\n\u003cp\u003eFish Doxy is effective against columnaris (Flavobacterium columnare), fin rot, tail rot, bacterial gill disease, popeye (exophthalmia), mouth rot, cotton wool disease, Aeromonas infections, Pseudomonas infections, and gram-negative bacterial conditions in ornamental freshwater and saltwater fish. It is particularly valuable for treating gill and eye-related bacterial conditions where targeted broad-spectrum coverage is essential for recovery.\u003c\/p\u003e\n\u003ch2\u003eWhy Choose Fish Doxy Over Other Fish Antibiotics?\u003c\/h2\u003e\n\u003cp\u003eFish Doxy's Doxycycline offers broader spectrum coverage than first-generation tetracyclines and works through protein synthesis inhibition — a different mechanism from Fish Mox (Amoxicillin), Fish Flex (Cephalexin), and Fish Flox (Ciprofloxacin). Fish Doxy is especially recommended for columnaris, bacterial gill disease, and popeye — conditions where broad-spectrum tetracycline coverage has proven consistently effective. It is also a strong alternative when penicillin or cephalosporin treatments have not produced the desired results.\u003c\/p\u003e\n\u003ch2\u003eHow to Use Fish Doxy for Aquarium Fish\u003c\/h2\u003e\n\u003cp\u003eRemove activated carbon from your filter before starting treatment — carbon absorbs Doxycycline and prevents it from reaching effective levels in your tank. Follow the dosage instructions on the product label carefully. Doxycycline can be sensitive to light — avoid direct exposure of the treated water to strong lighting during treatment. Quarantine sick fish in a hospital tank when possible to protect your main tank's biological filtration. Complete the full treatment course even if symptoms improve early to prevent antibiotic resistance.\u003c\/p\u003e\n\u003ch2\u003eWhy Buy Fish Doxy at CalVetSupply?\u003c\/h2\u003e\n\u003cp\u003eCalVetSupply offers Fish Doxy 100mg at competitive prices with fast U.S. shipping and no vet prescription required for ornamental fish use. We provide clear ingredient and dosage information on every product listing so you can identify the right antibiotic and begin treatment without delay.\u003c\/p\u003e\n\u003ch2\u003eFAQ SECTION\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is Fish Doxy used for?\u003c\/strong\u003e A: Fish Doxy (Doxycycline 100mg) is used to treat columnaris, fin rot, bacterial gill disease, popeye, mouth rot, cotton wool disease, and gram-negative bacterial infections in ornamental aquarium fish.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Do I need a prescription to buy Fish Doxy?\u003c\/strong\u003e A: No. Fish Doxy is available at CalVetSupply without a vet prescription. It is intended for ornamental aquarium fish use only.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What makes Fish Doxy different from other fish antibiotics?\u003c\/strong\u003e A: Fish Doxy contains Doxycycline, a second-generation tetracycline antibiotic that inhibits bacterial protein synthesis. It offers broader spectrum coverage than first-generation tetracyclines and is particularly effective against columnaris, bacterial gill disease, and popeye — conditions that respond well to tetracycline-class treatment.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How does Fish Doxy differ from Fish Cycline?\u003c\/strong\u003e A: Both Fish Doxy and Fish Cycline are tetracycline-class antibiotics. Fish Doxy contains Doxycycline — a more advanced second-generation tetracycline with better absorption, broader coverage, and effectiveness at lower doses compared to Fish Cycline's first-generation Tetracycline.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How long does Fish Doxy treatment take?\u003c\/strong\u003e A: Most Fish Doxy treatment courses run 7–10 days. Always complete the full course even if your fish shows early signs of recovery to prevent antibiotic resistance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can Fish Doxy be used in saltwater tanks?\u003c\/strong\u003e A: Fish Doxy can be used in both freshwater and saltwater aquariums. Always follow label directions for correct dosage and treatment duration.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Will Fish Doxy harm my tank's beneficial bacteria?\u003c\/strong\u003e A: Fish Doxy may affect biological filtration in your tank. Treating sick fish in a separate hospital tank when possible helps minimize disruption to your main aquarium.\u003c\/p\u003e\n\u003c\/div\u003e","products":[{"product_id":"fish-doxy","title":"Fish Doxy (Fix Doxy) Doxycycline 100mg Fish Antibacterial","description":"\u003cstyle\u003e\n  .fph-product-copy {\n    --fph-orange: #e37111;\n    --fph-teal: #148d85;\n    --fph-green: #64ad82;\n    --fph-dark: #09213f;\n    --fph-text: #24374e;\n    --fph-muted: #64748b;\n    --fph-border: #dce3eb;\n    --fph-light: #f5f8fa;\n    --fph-teal-light: #eef8f6;\n    --fph-orange-light: #fff6ed;\n    --fph-white: #ffffff;\n\n    width: 100%;\n    max-width: 1675px;\n    margin: 0 auto;\n    color: var(--fph-text);\n    font-family: inherit;\n    font-size: 17px;\n    line-height: 1.7;\n  }\n\n  .fph-product-copy,\n  .fph-product-copy * {\n    box-sizing: border-box;\n  }\n\n  .fph-product-copy section {\n    scroll-margin-top: 120px;\n  }\n\n  .fph-product-copy h1,\n  .fph-product-copy h2,\n  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color: var(--fph-muted);\n  }\n\n  .fph-related-card a {\n    display: inline-flex;\n    align-items: center;\n    gap: 7px;\n    margin-top: auto;\n    color: var(--fph-orange);\n    font-weight: 750;\n    text-decoration: none;\n  }\n\n  .fph-related-card a:hover {\n    text-decoration: underline;\n  }\n\n  .fph-browse-grid {\n    display: grid;\n    grid-template-columns: repeat(2, minmax(0, 1fr));\n    gap: 19px;\n    margin-top: 20px;\n  }\n\n  .fph-browse-card {\n    padding: 26px;\n    border-radius: 18px;\n    background: linear-gradient(\n      135deg,\n      var(--fph-teal) 0%,\n      var(--fph-green) 100%\n    );\n    color: var(--fph-white);\n  }\n\n  .fph-browse-card:nth-child(2) {\n    background: linear-gradient(\n      135deg,\n      var(--fph-orange) 0%,\n      #f09a47 100%\n    );\n  }\n\n  .fph-browse-card h3,\n  .fph-browse-card p,\n  .fph-browse-card a {\n    color: var(--fph-white) !important;\n  }\n\n  .fph-browse-card h3 {\n    margin: 0 0 9px;\n    font-size: 22px;\n  }\n\n  .fph-browse-card a {\n    font-weight: 800;\n  }\n\n  \/* Transparency section *\/\n\n  .fph-image-note {\n    margin-top: 40px;\n    padding: 16px 20px;\n    border: 1px dashed var(--fph-border);\n    border-radius: 14px;\n    background: #fafbfc;\n    text-align: center;\n    font-weight: 700;\n  }\n\n  .fph-verification {\n    margin-top: 30px;\n    overflow: hidden;\n    border: 1px solid var(--fph-border);\n    border-radius: 20px;\n    background: var(--fph-white);\n  }\n\n  .fph-verification-header {\n    padding: 25px;\n    background: var(--fph-dark);\n    color: var(--fph-white);\n  }\n\n  .fph-verification-header h2 {\n    margin: 0 0 7px;\n    color: var(--fph-white) !important;\n    font-size: 29px;\n  }\n\n  .fph-verification-header p {\n    margin: 0;\n    color: rgba(255, 255, 255, 0.88) !important;\n  }\n\n  .fph-verification-body {\n    padding: 27px;\n  }\n\n  .fph-verification-grid {\n    display: grid;\n    grid-template-columns: repeat(2, minmax(0, 1fr));\n    gap: 18px;\n    margin: 24px 0;\n  }\n\n  .fph-verification-card {\n    padding: 23px;\n    border: 1px solid #cfe2df;\n    border-radius: 16px;\n    background: var(--fph-teal-light);\n  }\n\n  .fph-verification-card h3 {\n    margin: 0 0 9px;\n    color: var(--fph-teal) !important;\n    font-size: 20px;\n  }\n\n  .fph-verification-card p {\n    margin: 0;\n  }\n\n  .fph-contact-link {\n    color: var(--fph-orange);\n    font-weight: 750;\n  }\n\n  .fph-educational-note {\n    margin-top: 24px;\n    padding: 20px 22px;\n    border-radius: 15px;\n    background: #eef3f7;\n    color: #42566d;\n    font-size: 15px;\n  }\n\n  @media (max-width: 1050px) {\n    .fph-comparison-grid {\n      grid-template-columns: repeat(2, minmax(0, 1fr));\n    }\n\n    .fph-benefits-grid,\n    .fph-related-grid {\n      grid-template-columns: repeat(2, minmax(0, 1fr));\n    }\n  }\n\n  @media (max-width: 749px) {\n    .fph-product-copy {\n      font-size: 16px;\n      line-height: 1.65;\n    }\n\n    .fph-product-title {\n      margin-bottom: 22px;\n      font-size: 33px;\n    }\n\n    .fph-section {\n      padding: 39px 0;\n    }\n\n    .fph-section-title {\n      font-size: 28px;\n    }\n\n    .fph-toc {\n      margin-bottom: 30px;\n    }\n\n    .fph-toc-label {\n      display: none;\n    }\n\n    .fph-toc a {\n      min-height: 44px;\n      padding: 9px 17px;\n      font-size: 15px;\n    }\n\n    .fph-glance {\n      margin-bottom: 38px;\n      border-radius: 16px;\n    }\n\n    .fph-glance-heading {\n      padding: 18px;\n      font-size: 21px;\n    }\n\n    .fph-glance-row {\n      grid-template-columns: 1fr;\n    }\n\n    .fph-glance-label {\n      padding-bottom: 7px;\n    }\n\n    .fph-glance-value {\n      padding-top: 7px;\n    }\n\n    .fph-two-column,\n    .fph-comparison-grid,\n    .fph-benefits-grid,\n    .fph-timeline,\n    .fph-safety-grid,\n    .fph-policy-grid,\n    .fph-related-grid,\n    .fph-browse-grid,\n    .fph-verification-grid {\n      grid-template-columns: 1fr;\n    }\n\n    .fph-step {\n      grid-template-columns: 48px minmax(0, 1fr);\n      gap: 14px;\n      padding: 20px;\n    }\n\n    .fph-step-number {\n      width: 43px;\n      height: 43px;\n      font-size: 17px;\n    }\n\n    .fph-step h3 {\n      font-size: 20px;\n    }\n\n    .fph-benefit-card,\n    .fph-related-card,\n    .fph-info-box,\n    .fph-policy-card {\n      padding: 22px;\n    }\n  }\n\n  @media (prefers-reduced-motion: reduce) {\n    .fph-product-copy *,\n    .fph-product-copy *::before,\n    .fph-product-copy *::after {\n      scroll-behavior: auto !important;\n      transition: none !important;\n      animation: none !important;\n    }\n  }\n\u003c\/style\u003e\n\u003cdiv class=\"fph-product-copy\"\u003e\n\u003csection class=\"fph-section\" id=\"overview\"\u003e\n\u003ch1 class=\"fph-product-title\"\u003eFix Doxy (Fish Doxy) Doxycycline Tablets - 100 mg\u003c\/h1\u003e\n\u003cnav class=\"fph-toc\" aria-label=\"On this page\"\u003e\u003cspan class=\"fph-toc-label\"\u003eOn this page:\u003c\/span\u003e \u003ca href=\"#overview\"\u003eOverview\u003c\/a\u003e \u003ca href=\"#fish-doxy-vs-fix-doxy\"\u003eFish Doxy vs Fix Doxy\u003c\/a\u003e \u003ca href=\"#benefits\"\u003eBenefits\u003c\/a\u003e \u003ca href=\"#usage\"\u003eUsage\u003c\/a\u003e \u003ca href=\"#how-it-works\"\u003eHow It Works\u003c\/a\u003e \u003ca href=\"#safety\"\u003eSafety\u003c\/a\u003e \u003ca href=\"#shipping\"\u003eShipping\u003c\/a\u003e \u003ca href=\"#faq\"\u003eFAQ\u003c\/a\u003e\u003c\/nav\u003e\n\u003cdiv class=\"fph-glance\"\u003e\n\u003cdiv class=\"fph-glance-heading\"\u003eFix Doxy at a Glance\u003c\/div\u003e\n\u003cdiv class=\"fph-glance-row\"\u003e\n\u003cdiv class=\"fph-glance-label\"\u003eFor\u003c\/div\u003e\n\u003cdiv class=\"fph-glance-value\"\u003eOrnamental aquarium fish and non-food pet birds\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"fph-glance-row\"\u003e\n\u003cdiv class=\"fph-glance-label\"\u003eHelps with\u003c\/div\u003e\n\u003cdiv class=\"fph-glance-value\"\u003eFin and tail rot, columnaris, gill disease, septicemia, and avian respiratory infections\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"fph-glance-row\"\u003e\n\u003cdiv class=\"fph-glance-label\"\u003eForm\u003c\/div\u003e\n\u003cdiv class=\"fph-glance-value\"\u003eTablets, 100 mg each\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"fph-glance-row\"\u003e\n\u003cdiv class=\"fph-glance-label\"\u003eCount sizes\u003c\/div\u003e\n\u003cdiv class=\"fph-glance-value\"\u003e30-count and 60-count bottles\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"fph-glance-row\"\u003e\n\u003cdiv class=\"fph-glance-label\"\u003eWater type\u003c\/div\u003e\n\u003cdiv class=\"fph-glance-value\"\u003eFreshwater and saltwater\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"fph-glance-row\"\u003e\n\u003cdiv class=\"fph-glance-label\"\u003eMade in\u003c\/div\u003e\n\u003cdiv class=\"fph-glance-value\"\u003eUnited States, by Aqua Soma Labs\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp class=\"fph-lead\"\u003e\u003cstrong\u003eFix Doxy delivers doxycycline hyclate 100 mg per tablet\u003c\/strong\u003e for ornamental aquarium fish and non-food pet birds, made by Aqua Soma Labs. It is used when bacterial problems appear, such as fin and tail rot, columnaris (often seen as cotton wool disease), bacterial hemorrhagic septicemia, and other internal bacterial infections in freshwater and saltwater aquariums.\u003c\/p\u003e\n\u003cp\u003eIt is also chosen for racing pigeons and other pet birds during respiratory infections, mycoplasmosis (mycoplasma), or suspected chlamydiosis, also known as parrot fever, psittacosis, or ornithosis.\u003c\/p\u003e\n\u003cp\u003eIf you used to buy the discontinued Thomas Labs Fish Doxy, Aqua Doxy, or older Bird Biotic, Fix Doxy is the online replacement. It supplies the same doxycycline strength in bottles of 30 or 60 tablets with fresh expiration dates, and it is a straightforward option when you need doxycycline for birds or a fish doxycycline product to buy online.\u003c\/p\u003e\n\u003cp\u003eUse Fix Doxy when you notice early signs of bacterial stress in your fish or pet birds. Common symptoms differ between species, so check the lists below to identify what to watch for.\u003c\/p\u003e\n\u003cdiv class=\"fph-two-column\"\u003e\n\u003cdiv class=\"fph-info-box\"\u003e\n\u003ch3\u003eFish-Specific Symptoms\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eClamped or frayed fins (fin and tail rot)\u003c\/li\u003e\n\u003cli\u003eSlime disease, mouth fungus, or mouth rot\u003c\/li\u003e\n\u003cli\u003eColumnaris (cotton wool disease)\u003c\/li\u003e\n\u003cli\u003eRed or cloudy patches on the body\u003c\/li\u003e\n\u003cli\u003eBacterial hemorrhagic septicemia\u003c\/li\u003e\n\u003cli\u003eGill disease or labored gill movement\u003c\/li\u003e\n\u003cli\u003eLoss of appetite or hiding behavior\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"fph-info-box\"\u003e\n\u003ch3\u003eBird-Specific Symptoms\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eRespiratory infections: sneezing, wheezing, or nasal discharge\u003c\/li\u003e\n\u003cli\u003eMycoplasmosis (mycoplasma)\u003c\/li\u003e\n\u003cli\u003eChlamydiosis, ornithosis, psittacosis, or parrot fever\u003c\/li\u003e\n\u003cli\u003ePasteurellosis, commonly seen in pigeons\u003c\/li\u003e\n\u003cli\u003eFluffed-up feathers, lethargy, or inactivity\u003c\/li\u003e\n\u003cli\u003eEye infections or persistent loss of appetite\u003c\/li\u003e\n\u003cli\u003eChanges in droppings or vocalization\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp style=\"margin-top: 28px;\"\u003eAddressing potential bacterial issues early with doxycycline, together with good water quality and advice from an aquatic or avian professional when available, helps your fish and birds maintain a stable, healthy aquarium or aviary.\u003c\/p\u003e\n\u003cdiv class=\"fph-order-note\"\u003e\n\u003cp\u003e\u003cstrong\u003eOrder online and ship directly from our U.S. warehouse.\u003c\/strong\u003e Fix Doxy doxycycline 100 mg tablets are available to buy online with same-day dispatch on orders placed before 1:30 p.m. CT, Monday through Friday.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"fph-highlight-note\"\u003e\n\u003cstrong\u003eImportant Notice:\u003c\/strong\u003e This product is intended for aquarium and ornamental fish and pet birds only. It is not for animals used for food.\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"fph-section\" id=\"fish-doxy-vs-fix-doxy\"\u003e\n\u003ch2 class=\"fph-section-title\"\u003eFish Doxy vs Fix Doxy: What Changed?\u003c\/h2\u003e\n\u003cp\u003eIf you used to buy Fish Doxy, Aqua Doxy, or Bird Biotic from Thomas Labs, here is what stayed the same and what is different with Fix Doxy from Aqua Soma Labs.\u003c\/p\u003e\n\u003cdiv class=\"fph-comparison-grid\"\u003e\n\u003cdiv class=\"fph-comparison-card\"\u003e\n\u003cspan class=\"fph-small-label\"\u003eActive ingredient\u003c\/span\u003e\n\u003ch3\u003eSame Doxycycline\u003c\/h3\u003e\n\u003cp\u003eFix Doxy delivers the same doxycycline hyclate 100 mg per tablet that was used in the original Fish Doxy and Bird Biotic products.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"fph-comparison-card\"\u003e\n\u003cspan class=\"fph-small-label\"\u003eManufacturer\u003c\/span\u003e\n\u003ch3\u003eNew Manufacturer\u003c\/h3\u003e\n\u003cp\u003eFix Doxy is made by Aqua Soma Labs, replacing Thomas Labs, which discontinued its Fish Doxy and Bird Biotic lines.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"fph-comparison-card\"\u003e\n\u003cspan class=\"fph-small-label\"\u003eTablet format\u003c\/span\u003e\n\u003ch3\u003eSame Tablet Form\u003c\/h3\u003e\n\u003cp\u003e100 mg tablets with the same dosing style of one tablet per 15 gallons, so switching from Fish Doxy to Fix Doxy requires no changes to your routine.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"fph-comparison-card\"\u003e\n\u003cspan class=\"fph-small-label\"\u003ePresentation\u003c\/span\u003e\n\u003ch3\u003eUpdated Packaging \u0026amp; Labeling\u003c\/h3\u003e\n\u003cp\u003eNew bottle design and labeling under the Fix brand, with the same doxycycline formula and fresh expiration dates.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"fph-section\" id=\"benefits\"\u003e\n\u003ch2 class=\"fph-section-title\"\u003eBenefits of Fix Doxy for Fish \u0026amp; Birds\u003c\/h2\u003e\n\u003cdiv class=\"fph-benefits-grid\"\u003e\n\u003cdiv class=\"fph-benefit-card\"\u003e\n\u003cdiv class=\"fph-benefit-number\"\u003e01\u003c\/div\u003e\n\u003ch3\u003eTargets Common Bacterial Problems\u003c\/h3\u003e\n\u003cp\u003eHelps manage common bacterial problems such as fin and tail rot, columnaris, gill disease, septicemia, internal bacterial infections, and avian respiratory infections caused by certain Gram-positive and Gram-negative bacteria in both freshwater and saltwater aquariums.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"fph-benefit-card\"\u003e\n\u003cdiv class=\"fph-benefit-number\"\u003e02\u003c\/div\u003e\n\u003ch3\u003eMade in the United States\u003c\/h3\u003e\n\u003cp\u003eFix Doxy is manufactured by Aqua Soma Labs and ships from a U.S. warehouse with fresh expiration dates, so you receive a recently made product ready for your tank or aviary.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"fph-benefit-card\"\u003e\n\u003cdiv class=\"fph-benefit-number\"\u003e03\u003c\/div\u003e\n\u003ch3\u003eOne Solution for Fish \u0026amp; Birds\u003c\/h3\u003e\n\u003cp\u003eFix Doxy is formulated for ornamental aquarium fish and non-food pet birds, so one doxycycline product covers tanks and aviaries. Use it for individual treatment or a whole flock as appropriate.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"fph-benefit-card\"\u003e\n\u003cdiv class=\"fph-benefit-number\"\u003e04\u003c\/div\u003e\n\u003ch3\u003eFixed 100 mg Tablets\u003c\/h3\u003e\n\u003cp\u003eEach tablet delivers a fixed 100 mg doxycycline amount. These fish doxycycline tablets make it easier to follow the charts and repeat treatments accurately across different tank volumes or bird sizes.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"fph-benefit-card\"\u003e\n\u003cdiv class=\"fph-benefit-number\"\u003e05\u003c\/div\u003e\n\u003ch3\u003eFlexible Use in Tanks \u0026amp; Feed\u003c\/h3\u003e\n\u003cp\u003eTablets are water-soluble and easy to crush, so you can dissolve them in a hospital or quarantine tank, or mix them with food or drinking water as directed. This helps when you need to treat sensitive fish or birds.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"fph-benefit-card\"\u003e\n\u003cdiv class=\"fph-benefit-number\"\u003e06\u003c\/div\u003e\n\u003ch3\u003eAvailable in 30-Count and 60-Count Bottles\u003c\/h3\u003e\n\u003cp\u003eChoose a 30-count bottle for a single treatment or a 60-count bottle for larger tanks, multiple birds, or repeat treatments, so you always have doxycycline on hand when needed.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"fph-benefit-card\"\u003e\n\u003cdiv class=\"fph-benefit-number\"\u003e07\u003c\/div\u003e\n\u003ch3\u003eDirect Fish Doxy \u0026amp; Bird Biotic Replacement\u003c\/h3\u003e\n\u003cp\u003eFix Doxy replaces the discontinued Fish Doxy from Thomas Labs, Aqua Doxy, and Bird Biotic products. It delivers the same doxycycline hyclate 100 mg per tablet that hobbyists and breeders used before those lines were discontinued.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"fph-section\" id=\"usage\"\u003e\n\u003ch2 class=\"fph-section-title\"\u003eUsage Guidelines \u0026amp; Instructions\u003c\/h2\u003e\n\u003cdiv class=\"fph-directions-label\"\u003eDirections for Use:\u003c\/div\u003e\n\u003cdiv class=\"fph-steps\"\u003e\n\u003cdiv class=\"fph-step\"\u003e\n\u003cdiv class=\"fph-step-number\"\u003e1\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch3\u003ePrepare a Separate Treatment Area\u003c\/h3\u003e\n\u003cp\u003eFor fish, set up a hospital or quarantine tank with clean, dechlorinated water so you can treat without disturbing the main display tank or its biofilter.\u003c\/p\u003e\n\u003cp\u003eAny aquarium doxycycline treatment works best in a separate tank, so remove activated carbon, resins, and UV sterilizers during dosing, as they can strip doxycycline from the water.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"fph-step\"\u003e\n\u003cdiv class=\"fph-step-number\"\u003e2\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch3\u003eCalculate and Give the Dose\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eFish:\u003c\/strong\u003e Check the dosing instructions on your Fix Doxy bottle. Label directions for 100 mg tablets typically call for one tablet, or 100 mg, per 15 gallons or 57 litres of water, repeated every 24 hours for several days.\u003c\/p\u003e\n\u003cp\u003ePre-dissolve the tablet in a small cup of tank water, then add it evenly around the treatment tank.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBirds:\u003c\/strong\u003e For companion birds, the amount is based on the bird's weight or the volume of treated drinking water. Crush the tablet and mix with soft food or a measured amount of drinking water only as directed on the packaging or by an avian veterinarian, making sure the bird receives the full intended amount.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"fph-step\"\u003e\n\u003cdiv class=\"fph-step-number\"\u003e3\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch3\u003eMonitor Progress and Water Quality\u003c\/h3\u003e\n\u003cp\u003eWatch appetite, breathing, activity level, and fin or feather condition every day. If symptoms worsen or no improvement is seen after several days, contact a veterinarian.\u003c\/p\u003e\n\u003cp\u003eFor fish, perform partial water changes between doses if water quality declines, then re-dose for the new water volume.\u003c\/p\u003e\n\u003cp\u003eContinue treatment for the full number of days recommended on the label, usually around 5 to 10 days, unless your veterinarian advises otherwise, and never exceed label directions.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3 class=\"fph-subtitle\"\u003eFix Doxy Amounts by Aquarium Size\u003c\/h3\u003e\n\u003cdiv class=\"fph-table-wrapper\"\u003e\n\u003ctable class=\"fph-table\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eTank volume\u003c\/th\u003e\n\u003cth\u003e100 mg tablets per use\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e15 gallons (57 L)\u003c\/td\u003e\n\u003ctd\u003e1 tablet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e30 gallons (114 L)\u003c\/td\u003e\n\u003ctd\u003e2 tablets\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e45 gallons (170 L)\u003c\/td\u003e\n\u003ctd\u003e3 tablets\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e60 gallons (227 L)\u003c\/td\u003e\n\u003ctd\u003e4 tablets\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e75 gallons (284 L)\u003c\/td\u003e\n\u003ctd\u003e5 tablets\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"fph-highlight-note\"\u003eThese figures follow the label directions of one dissolved tablet per 15 gallons of water. Dose by the water volume of your treatment tank, not by the number of fish. Give one dose every 24 hours with a partial water change between doses and round to the nearest practical tablet. The bottle label or your aquatic veterinarian takes priority over this quick-reference chart.\u003c\/div\u003e\n\u003ch3 class=\"fph-subtitle\"\u003eWhat to Expect During Treatment\u003c\/h3\u003e\n\u003cdiv class=\"fph-timeline\"\u003e\n\u003cdiv class=\"fph-timeline-card\"\u003e\n\u003ch3\u003eDays 1 to 2\u003c\/h3\u003e\n\u003cp\u003eFish may hide or eat less, and the water can look slightly discolored. This is normal early on. Keep dosing on schedule and keep aeration strong.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"fph-timeline-card\"\u003e\n\u003ch3\u003eDays 3 to 5\u003c\/h3\u003e\n\u003cp\u003eLook for signs it is working: sores and red patches stop spreading, appetite starts to return, and breathing steadies.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"fph-timeline-card\"\u003e\n\u003ch3\u003eDays 5 to 10\u003c\/h3\u003e\n\u003cp\u003eEven if the fish are improving, finish the full number of days so the infection does not return. Afterward, run a partial water change and put activated carbon back in to clear leftover doxycycline.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"fph-highlight-note\"\u003eThe label says to discontinue use if no improvement is seen after five days. If there is no change by day five, or the fish look worse, stop and ask an aquatic veterinarian.\u003c\/div\u003e\n\u003ch3 class=\"fph-subtitle\"\u003eWhat You Need for Treatment\u003c\/h3\u003e\n\u003cdiv class=\"fph-info-box\"\u003e\n\u003cp\u003eA little setup before the first dose saves trouble later.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eA separate hospital or quarantine tank, so you are not treating the whole display\u003c\/li\u003e\n\u003cli\u003eA heater and an air stone or sponge filter for steady temperature and strong aeration\u003c\/li\u003e\n\u003cli\u003eAn ammonia and nitrite test kit to keep tabs on water quality\u003c\/li\u003e\n\u003cli\u003eA dechlorinator for water changes between doses\u003c\/li\u003e\n\u003cli\u003eA small net and a clean cup for gentle transfer and for dissolving each tablet\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"fph-pro-tip\"\u003e\n\u003cp\u003e\u003cstrong\u003ePro Tip:\u003c\/strong\u003e Keep a few extra Fix Doxy tablets on hand so you always have them ready at the first sign of bacterial stress. A quarantine tank with a heater and sponge filter makes treatment faster and protects your main system.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"fph-section\" id=\"how-it-works\"\u003e\n\u003ch2 class=\"fph-section-title\"\u003eHow Fix Doxy Works\u003c\/h2\u003e\n\u003cp class=\"fph-lead\"\u003eFix Doxy uses doxycycline hyclate 100 mg per tablet to help control certain Gram-positive and Gram-negative bacteria linked with fin and tail rot, mouth rot, columnaris, gill disease, septicemia, and avian respiratory infections.\u003c\/p\u003e\n\u003cp\u003eThe tablets dissolve readily in aquarium water, and they can also be crushed and mixed with soft food or drinking water, which spreads the dose evenly through a treatment tank or across a flock.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection class=\"fph-section\" id=\"safety\"\u003e\n\u003ch2 class=\"fph-section-title\"\u003eSafety and Tank Notes\u003c\/h2\u003e\n\u003cp\u003eWhen used as directed, Fix Doxy usually causes no problems in ornamental fish and pet birds. As with any doxycycline product, incorrect amounts or prolonged use can increase the risk of side effects.\u003c\/p\u003e\n\u003cdiv class=\"fph-safety-grid\"\u003e\n\u003cdiv class=\"fph-safety-card\"\u003e\n\u003ch3\u003eFish\u003c\/h3\u003e\n\u003cp\u003eDoxycycline-based fish treatments may cause temporary stress or hiding behavior, mild water discoloration, and reduced appetite during treatment.\u003c\/p\u003e\n\u003cp\u003eIf fish show severe distress such as rapid gill movement, loss of balance, or gasping at the surface, stop treatment and seek aquatic veterinary advice.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"fph-safety-card\"\u003e\n\u003ch3\u003eBirds\u003c\/h3\u003e\n\u003cp\u003eWhen doxycycline is given in food or drinking water, potential reactions can include decreased appetite, lethargy, or changes in droppings if the amount is too high or the bird is sensitive.\u003c\/p\u003e\n\u003cp\u003eIf your bird appears fluffed up, inactive, or stops eating, discontinue use and contact an avian veterinarian.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"fph-safety-card\"\u003e\n\u003ch3\u003eInvertebrates\u003c\/h3\u003e\n\u003cp\u003eDo not use Fix Doxy in tanks that contain shrimp, snails, or other invertebrates, as strong treatments may harm them.\u003c\/p\u003e\n\u003cp\u003eTreat fish in a separate hospital tank whenever possible.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"fph-safety-card\"\u003e\n\u003ch3\u003eSafe Use in Your System\u003c\/h3\u003e\n\u003cp\u003eWhenever possible, treat fish in a hospital or quarantine tank, remove activated carbon and UV sterilizers, and follow label directions for dose and duration.\u003c\/p\u003e\n\u003cp\u003eDo not mix Fix Doxy with other treatments unless advised by a veterinarian.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"fph-warning\"\u003e\n\u003ch3\u003eImportant Safety Warning\u003c\/h3\u003e\n\u003cp\u003eFix Doxy is intended for ornamental aquarium fish and non-food pet birds only. It is not for animals raised for food.\u003c\/p\u003e\n\u003cp\u003eStore the product in a cool, dry place away from children and pets. Always follow label directions.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"fph-section\" id=\"shipping\"\u003e\n\u003ch2 class=\"fph-section-title\"\u003eShipping \u0026amp; Returns\u003c\/h2\u003e\n\u003cdiv class=\"fph-policy-grid\"\u003e\n\u003cdiv class=\"fph-policy-card\"\u003e\n\u003ch3\u003eShipping Policy\u003c\/h3\u003e\n\u003cp\u003eOrders ship from our U.S. warehouse within one business day via USPS or UPS, with rates and delivery times calculated at checkout.\u003c\/p\u003e\n\u003cp\u003eFor full shipping details, please review our shipping policy.\u003c\/p\u003e\n\u003ca href=\"http:\/\/www.calvetsupply.com\/pages\/shipping-policy\"\u003eReview Shipping Policy → \u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"fph-policy-card\"\u003e\n\u003ch3\u003eRefund Policy\u003c\/h3\u003e\n\u003cp\u003eIf there is an issue with your order, you may be able to return or exchange items within 30 days according to our store guidelines.\u003c\/p\u003e\n\u003cp\u003eBefore sending anything back, please review our refund policy carefully.\u003c\/p\u003e\n\u003ca href=\"http:\/\/www.calvetsupply.com\/pages\/refund-policy\"\u003eReview Refund Policy → \u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"fph-section\" id=\"faq\"\u003e\n\u003ch2 class=\"fph-section-title\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdiv class=\"fph-faq\"\u003e\n\u003cdetails open=\"\"\u003e\n\u003csummary\u003eWhat is Fix Doxy used for?\u003c\/summary\u003e\n\u003cdiv class=\"fph-faq-answer\"\u003e\n\u003cp\u003eFix Doxy is used for certain bacterial problems affecting ornamental aquarium fish and non-food pet birds. These may include fin and tail rot, columnaris, gill disease, bacterial septicemia, internal bacterial infections, and certain avian respiratory infections.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails open=\"\"\u003e\n\u003csummary\u003eWhat is in Fix Doxy (Fish Doxy)?\u003c\/summary\u003e\n\u003cdiv class=\"fph-faq-answer\"\u003e\n\u003cp\u003eEach Fix Doxy tablet provides doxycycline hyclate at a strength of 100 mg per tablet.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails open=\"\"\u003e\n\u003csummary\u003eWhat is the difference between Fish Doxy and Fix Doxy?\u003c\/summary\u003e\n\u003cdiv class=\"fph-faq-answer\"\u003e\n\u003cp\u003eFix Doxy provides the same doxycycline hyclate strength of 100 mg per tablet. The primary differences are the manufacturer, packaging, branding, and labeling. Fix Doxy is made by Aqua Soma Labs, while the former Fish Doxy line was associated with Thomas Labs.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails open=\"\"\u003e\n\u003csummary\u003eIs Fix Doxy a replacement for Bird Biotic?\u003c\/summary\u003e\n\u003cdiv class=\"fph-faq-answer\"\u003e\n\u003cp\u003eFix Doxy is presented as the online replacement for the discontinued Bird Biotic product. It provides doxycycline hyclate in a 100 mg tablet form for ornamental fish and non-food pet birds.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails open=\"\"\u003e\n\u003csummary\u003eIs Bird Biotic still available, and is Fix Doxy a true replacement?\u003c\/summary\u003e\n\u003cdiv class=\"fph-faq-answer\"\u003e\n\u003cp\u003eThe older Thomas Labs Bird Biotic line was discontinued. Fix Doxy is offered as a replacement with the same doxycycline strength in an updated Aqua Soma Labs product.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails open=\"\"\u003e\n\u003csummary\u003eIs Fix Doxy the same as Aqua Doxy?\u003c\/summary\u003e\n\u003cdiv class=\"fph-faq-answer\"\u003e\n\u003cp\u003eFix Doxy is intended to replace older Aqua Doxy products and provides doxycycline hyclate in the same 100 mg tablet format. Always check the current product label before use.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails open=\"\"\u003e\n\u003csummary\u003eCan I use Fix Doxy for dogs, cats, or chickens?\u003c\/summary\u003e\n\u003cdiv class=\"fph-faq-answer\"\u003e\n\u003cp\u003eNo. This product is labeled for ornamental aquarium fish and non-food pet birds. It is not intended for dogs, cats, humans, or animals raised for food.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails open=\"\"\u003e\n\u003csummary\u003eWhere can I buy doxycycline for fish online?\u003c\/summary\u003e\n\u003cdiv class=\"fph-faq-answer\"\u003e\n\u003cp\u003eFix Doxy doxycycline 100 mg tablets can be ordered through this online store and shipped from our U.S. warehouse according to the current shipping policy.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails open=\"\"\u003e\n\u003csummary\u003eIs Fix Doxy available in 500 mg?\u003c\/summary\u003e\n\u003cdiv class=\"fph-faq-answer\"\u003e\n\u003cp\u003eThis Fix Doxy product contains 100 mg of doxycycline hyclate per tablet and is offered in 30-count and 60-count bottles.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails open=\"\"\u003e\n\u003csummary\u003eHow do I know if my fish or bird might need a treatment like Fix Doxy?\u003c\/summary\u003e\n\u003cdiv class=\"fph-faq-answer\"\u003e\n\u003cp\u003ePossible signs in fish include frayed fins, cloudy or red body patches, sores, abnormal gill movement, appetite loss, hiding, or symptoms associated with columnaris.\u003c\/p\u003e\n\u003cp\u003ePossible signs in birds include sneezing, wheezing, nasal discharge, fluffed feathers, lethargy, eye irritation, appetite loss, or changes in droppings. Similar symptoms may have different causes, so professional diagnosis is recommended when available.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eHow long should I treat with Fix Doxy 100 mg?\u003c\/summary\u003e\n\u003cdiv class=\"fph-faq-answer\"\u003e\n\u003cp\u003eFollow the current bottle label. Treatment may generally continue for approximately 5 to 10 days unless a veterinarian advises otherwise. The supplied information states that treatment should be stopped and professional guidance requested if no improvement is seen after five days.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat size aquarium can one Fix Doxy tablet treat?\u003c\/summary\u003e\n\u003cdiv class=\"fph-faq-answer\"\u003e\n\u003cp\u003eThe supplied label guidance uses one 100 mg tablet for every 15 gallons, or approximately 57 litres, of treatment water.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails open=\"\"\u003e\n\u003csummary\u003eDoes Fix Doxy work in saltwater aquariums?\u003c\/summary\u003e\n\u003cdiv class=\"fph-faq-answer\"\u003e\n\u003cp\u003eFix Doxy is presented for use with ornamental fish in freshwater and saltwater treatment systems. A separate hospital tank is recommended whenever possible.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eCan I use Fix Doxy in my main display or community tank?\u003c\/summary\u003e\n\u003cdiv class=\"fph-faq-answer\"\u003e\n\u003cp\u003eA separate hospital or quarantine tank is preferred. This helps protect the main biological filter, prevents exposure of sensitive invertebrates, and makes it easier to monitor the treated fish and water quality.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails open=\"\"\u003e\n\u003csummary\u003eWill Fix Doxy harm my aquarium's biofilter?\u003c\/summary\u003e\n\u003cdiv class=\"fph-faq-answer\"\u003e\n\u003cp\u003eAntibacterial treatments may affect beneficial filter bacteria. Monitor ammonia and nitrite during treatment and use a separate treatment tank whenever possible.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails open=\"\"\u003e\n\u003csummary\u003eCan Fix Doxy be used for pigeons and other pet birds?\u003c\/summary\u003e\n\u003cdiv class=\"fph-faq-answer\"\u003e\n\u003cp\u003eFix Doxy is presented for non-food pet birds, including racing pigeons. The correct amount depends on the bird, its weight, and the method of administration. Follow the label or the instructions of an avian veterinarian.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eCan I combine Fix Doxy with other fish treatments?\u003c\/summary\u003e\n\u003cdiv class=\"fph-faq-answer\"\u003e\n\u003cp\u003eDo not mix Fix Doxy with other treatments unless a qualified veterinarian specifically recommends the combination.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat should I do if my fish or bird is not improving on Fix Doxy?\u003c\/summary\u003e\n\u003cdiv class=\"fph-faq-answer\"\u003e\n\u003cp\u003eStop treatment and contact an aquatic or avian veterinarian if symptoms worsen or no improvement is seen within the period stated on the product label.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eHow should I store Fix Doxy tablets?\u003c\/summary\u003e\n\u003cdiv class=\"fph-faq-answer\"\u003e\n\u003cp\u003eStore the bottle tightly closed in a cool, dry location away from direct sunlight, excessive heat, moisture, children, and pets. Follow all storage information printed on the current bottle.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eHow should I dispose of water or filter media that contained Fix Doxy?\u003c\/summary\u003e\n\u003cdiv class=\"fph-faq-answer\"\u003e\n\u003cp\u003eFollow the product label and applicable local disposal requirements. Avoid releasing concentrated medication into drains, natural waterways, or outdoor water systems. Contact your local waste or water authority when disposal instructions are unclear.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"fph-section\"\u003e\n\u003ch2 class=\"fph-section-title\"\u003eMore Fish \u0026amp; Bird Treatments\u003c\/h2\u003e\n\u003cdiv class=\"fph-related-grid\"\u003e\n\u003cdiv class=\"fph-related-card\"\u003e\n\u003ch3\u003eFix Mox (Amoxicillin) 250\/500 mg\u003c\/h3\u003e\n\u003cp\u003eA treatment for fin rot, dropsy, ulcers, and other bacterial infections in ornamental fish. Available in 30-count and 100-count capsules.\u003c\/p\u003e\n\u003ca href=\"https:\/\/www.calvetsupply.com\/products\/fish-mox\"\u003eShop Fix Mox →\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"fph-related-card\"\u003e\n\u003ch3\u003eFix Zole (Metronidazole) 250\/500 mg\u003c\/h3\u003e\n\u003cp\u003eTargets anaerobic bacteria and protozoa including Hexamita and hole-in-the-head disease in ornamental fish. Available in 60-count bottles.\u003c\/p\u003e\n\u003ca href=\"https:\/\/www.calvetsupply.com\/products\/fish-zole\"\u003eShop Fix Zole →\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"fph-related-card\"\u003e\n\u003ch3\u003eFix Zithro (Azithromycin) 250 mg\u003c\/h3\u003e\n\u003cp\u003eA treatment for fin rot, columnaris, gill disease, and avian respiratory concerns. Available in 12-count and 30-count tablets.\u003c\/p\u003e\n\u003ca href=\"https:\/\/www.calvetsupply.com\/products\/fish-zithro\"\u003eShop Fix Zithro →\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"fph-related-card\"\u003e\n\u003ch3\u003eFix Cin (Clindamycin) 150 mg\u003c\/h3\u003e\n\u003cp\u003eA treatment for Gram-positive bacterial infections, including skin and soft-tissue concerns in ornamental fish.\u003c\/p\u003e\n\u003ca href=\"https:\/\/www.calvetsupply.com\/products\/fish-cin\"\u003eShop Fix Cin →\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"fph-related-card\"\u003e\n\u003ch3\u003eFix Sulfa (SMZ\/TMP) 960 mg\u003c\/h3\u003e\n\u003cp\u003eA treatment for a range of bacterial infections in ornamental fish.\u003c\/p\u003e\n\u003ca href=\"https:\/\/www.calvetsupply.com\/products\/fish-sulfa\"\u003eShop Fix Sulfa →\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"fph-related-card\"\u003e\n\u003ch3\u003eFix Pen (Penicillin) 500 mg\u003c\/h3\u003e\n\u003cp\u003eA treatment for Gram-positive bacterial infections in ornamental fish and non-food pet birds.\u003c\/p\u003e\n\u003ca href=\"https:\/\/www.calvetsupply.com\/products\/fish-pen\"\u003eShop Fix Pen →\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"fph-related-card\"\u003e\n\u003ch3\u003eFix Flex (Cephalexin) 250\/500 mg\u003c\/h3\u003e\n\u003cp\u003eA treatment for fin rot, ulcers, and bacterial skin infections in ornamental fish.\u003c\/p\u003e\n\u003ca href=\"https:\/\/www.calvetsupply.com\/products\/fish-flex\"\u003eShop Fix Flex →\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"fph-related-card\"\u003e\n\u003ch3\u003eFix Flox (Ciprofloxacin) 500 mg\u003c\/h3\u003e\n\u003cp\u003eA treatment for Gram-negative bacterial infections, including fin rot, ulcers, columnaris, and septicemia in ornamental fish.\u003c\/p\u003e\n\u003ca href=\"https:\/\/www.calvetsupply.com\/products\/fish-flox\"\u003eShop Fix Flox →\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"fph-browse-grid\"\u003e\n\u003cdiv class=\"fph-browse-card\"\u003e\n\u003ch3\u003eBrowse All Treatments\u003c\/h3\u003e\n\u003cp\u003eExplore our complete Fish \u0026amp; 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