{"product_id":"fix-zole-250-metronidazole-250mg-60-doses","title":"Fix Zole (Fish Zole) Metronidazole 250\/500mg 60ct Fish Antibiotic","description":"\u003cdiv class=\"fph-product-copy\"\u003e\n\u003c!-- ===== OVERVIEW ===== --\u003e\n\u003csection class=\"fph-section\" id=\"overview\"\u003e\n\u003ch2\u003eFix Zole (Fish Zole) Metronidazole Tablets - Fish \u0026amp; Bird Antibiotic 250 mg \/ 500 mg\u003c\/h2\u003e\n\u003c!-- TOC --\u003e\u003cnav class=\"fph-toc\" aria-label=\"Page sections\"\u003e\u003cspan class=\"fph-toc-label\"\u003eOn this page:\u003c\/span\u003e \u003ca href=\"#fish-zole-vs-fix-zole\"\u003eFish Zole vs Fix Zole\u003c\/a\u003e \u003ca href=\"#benefits\"\u003eBenefits\u003c\/a\u003e \u003ca href=\"#dosage\"\u003eDosage \u0026amp; Instructions\u003c\/a\u003e \u003ca href=\"#mechanism\"\u003eHow It Works\u003c\/a\u003e \u003ca href=\"#side-effects\"\u003eSide Effects\u003c\/a\u003e \u003ca href=\"#shipping\"\u003eShipping \u0026amp; Returns\u003c\/a\u003e \u003ca href=\"#faq\"\u003eFAQ\u003c\/a\u003e\u003c\/nav\u003e\n\u003cp\u003e\u003cstrong\u003eFix Zole (Fish Zole) Metronidazole 250mg and 500mg\u003c\/strong\u003e is a pharmaceutical-grade metronidazole fish and bird antibiotic in tablets. Previously known in the hobby as Fish Zole, Fish Zole Forte, or Aqua Zole, it is now produced by Aqua Soma Labs as a reliable over-the-counter replacement for the discontinued Thomas Labs Fish Zole and a convenient tablet-based MetroPlex alternative.\u003c\/p\u003e\n\u003cp\u003eHobbyists use Fix Zole to help manage internal parasites and intestinal flagellates (protozoan flagellates) such as Hexamita and Spironucleus. These are commonly associated with appetite loss, weight loss, white stringy poop, Malawi bloat (cichlid bloat), and \"hole-in-the-head\" type symptoms in susceptible freshwater fish. Many keepers prefer treating in a hospital tank or quarantine setup for easier observation and control.\u003c\/p\u003e\n\u003cp\u003eMetronidazole is a nitroimidazole medication with activity against certain protozoa and anaerobic organisms by disrupting DNA processes in susceptible targets. When used as directed, it can be part of a broader care plan that also includes stable water quality, reduced stress, and good nutrition. It is not intended for ich or flukes, and it is not a first choice for typical fin rot unless a professional has confirmed the cause.\u003c\/p\u003e\n\u003cp\u003eFix Zole from Aqua Soma Labs delivers \u003cstrong\u003e250 mg or 500 mg metronidazole per tablet\u003c\/strong\u003e and is available to buy online in \u003cstrong\u003e60-count\u003c\/strong\u003e bottles with fresh expiration dates, making it easier to choose a strength that fits your tank size and treatment plan without complicated splitting or measuring. Tablets can be pre-dissolved in a small cup of aquarium water for more even distribution in a treatment tank.\u003c\/p\u003e\n\u003cp\u003eUse Fix Zole when fish show persistent appetite changes, weight loss, white stringy poop, or other signs consistent with protozoan flagellate issues, or when an avian veterinarian has recommended metronidazole for a confirmed protozoal concern in a non-food pet bird. Supporting treatment with clean water, stable temperature, and appropriate husbandry helps reduce setbacks and improve outcomes.\u003c\/p\u003e\n\u003cp class=\"fph-tip\"\u003e\u003cstrong\u003eOrder online:\u003c\/strong\u003e Fix Zole ships directly from our U.S. warehouse the same business day. No veterinary prescription required for aquarium fish use.\u003c\/p\u003e\n\u003cp class=\"fph-alert\"\u003e\u003cstrong\u003eImportant Notice:\u003c\/strong\u003e This product is \u003cstrong\u003eintended for aquarium and ornamental fish and pet birds only\u003c\/strong\u003e. It is \u003cstrong\u003enot for human consumption\u003c\/strong\u003e or for \u003cstrong\u003eanimals used for food\u003c\/strong\u003e. We \u003cstrong\u003edo not sell or recommend this product for human use\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003chr\u003e\n\u003c!-- ===== FISH ZOLE VS FIX ZOLE ===== --\u003e\n\u003csection class=\"fph-section\" id=\"fish-zole-vs-fix-zole\"\u003e\n\u003ch2\u003eFish Zole vs Fix Zole: What Changed?\u003c\/h2\u003e\n\u003cp\u003eIf you previously used Thomas Labs Fish Zole, Fish Zole Forte, or Aqua Zole, here is what you need to know about Fix Zole from Aqua Soma Labs:\u003c\/p\u003e\n\u003cdiv class=\"fph-info-grid\"\u003e\n\u003cp class=\"fph-info-card\"\u003e\u003cstrong\u003eSame Active Ingredient\u003c\/strong\u003e\u003cbr\u003eFix Zole contains pharmaceutical-grade metronidazole in the same 250 mg and 500 mg strengths that hobbyists relied on under the Fish Zole and Fish Zole Forte names.\u003c\/p\u003e\n\u003cp class=\"fph-info-card\"\u003e\u003cstrong\u003eNew Manufacturer\u003c\/strong\u003e\u003cbr\u003eProduced by Aqua Soma Labs, which now manufactures the Fix line of fish and bird antibiotics (Fix Mox, Fix Doxy, Fix Zole) after Thomas Labs discontinued its Fish Zole product.\u003c\/p\u003e\n\u003cp class=\"fph-info-card\"\u003e\u003cstrong\u003eSame 60-Count Bottles\u003c\/strong\u003e\u003cbr\u003eEach bottle contains 60 tablets, the same count hobbyists expect. Choose 250 mg or 500 mg to match your tank size and treatment plan.\u003c\/p\u003e\n\u003cp class=\"fph-info-card\"\u003e\u003cstrong\u003eUpdated Packaging, Same Formula\u003c\/strong\u003e\u003cbr\u003eThe label and brand name are new, but the pharmaceutical-grade metronidazole formula remains the same trusted product the hobby has used for years.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003chr\u003e\n\u003c!-- ===== BENEFITS ===== --\u003e\n\u003csection class=\"fph-section\" id=\"benefits\"\u003e\n\u003ch2\u003eBenefits of Fix Zole for Fish \u0026amp; Birds\u003c\/h2\u003e\n\u003cul class=\"fph-card-list\"\u003e\n\u003cli\u003e\n\u003ch3\u003eTargeted Protozoan Support\u003c\/h3\u003e\n\u003cp\u003eCommonly used to help manage internal parasites and protozoan flagellates such as Hexamita and Spironucleus, which are often associated with appetite loss, weight loss, white stringy poop, Malawi bloat, and \"hole-in-the-head\" type signs in susceptible freshwater fish.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch3\u003eNo Veterinary Prescription Required\u003c\/h3\u003e\n\u003cp\u003eFix Zole is available over the counter for aquarium fish use. No vet prescription or doctor's visit is needed to purchase. For pet birds, always consult an avian veterinarian before administering metronidazole.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch3\u003eAvian Vet-Guided Option\u003c\/h3\u003e\n\u003cp\u003eIn non-food pet birds, metronidazole may be used under avian veterinary guidance for certain protozoal concerns such as giardia, frounce (common in raptors), and as an effective pigeon canker treatment for trichomonosis, especially in racing pigeons and related species.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch3\u003eFlexible 250 mg or 500 mg per Tablet\u003c\/h3\u003e\n\u003cp\u003eChoose the strength that fits your setup and plan. Consistent mg per tablet (in \u003cstrong\u003e60-count\u003c\/strong\u003e bottles) makes it easier to scale a treatment approach across different tank sizes or care routines.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch3\u003eIdeal for Hospital Tanks and Quarantine\u003c\/h3\u003e\n\u003cp\u003eMany hobbyists treat in a separate hospital tank for better observation and to help protect the display tank's biofilter and sensitive tank mates. Tablets can be pre-dissolved in a small cup of aquarium water for more even distribution.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch3\u003eFits a Complete Care Plan\u003c\/h3\u003e\n\u003cp\u003eBest results come from combining treatment with stable temperature, clean water, reduced stress, and appropriate nutrition, rather than relying on medication alone.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch3\u003eTargeted, Not a One-Size-Fits-All Remedy\u003c\/h3\u003e\n\u003cp\u003eFix Zole is not typically used for ich (white spot), gill flukes, or Costia, and it is not a first choice for typical fin rot unless the cause has been confirmed. If symptoms persist, confirm the diagnosis or consult an aquatic or avian professional.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003chr\u003e\n\u003c!-- ===== DOSAGE ===== --\u003e\n\u003csection class=\"fph-section\" id=\"dosage\"\u003e\n\u003ch2\u003eDosage Guidelines \u0026amp; Instructions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eDirections for Use:\u003c\/strong\u003e\u003c\/p\u003e\n\u003col class=\"fph-step-list\"\u003e\n\u003cli\u003e\n\u003ch3\u003eSet Up a Separate Treatment Area\u003c\/h3\u003e\n\u003cp\u003eMove affected fish to a dedicated hospital tank when possible. This helps you monitor behavior, control dosing more precisely, and reduce unnecessary exposure in the display aquarium.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch3\u003eDose for Fish Aquariums\u003c\/h3\u003e\n\u003cp\u003eYou may pre-dissolve the tablet in a small cup of aquarium water, then distribute evenly in the treatment tank:\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003e250 mg:\u003c\/strong\u003e Add \u003cstrong\u003eone 250 mg tablet per 10 gallons (38 L)\u003c\/strong\u003e of water.\u003cbr\u003e\u003cstrong\u003e500 mg:\u003c\/strong\u003e Add \u003cstrong\u003eone 500 mg tablet per 20 gallons (76 L)\u003c\/strong\u003e of water.\u003cbr\u003e\u003cbr\u003eRepeat the dose every \u003cstrong\u003e24 hours\u003c\/strong\u003e, performing a partial water change between treatments.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch3\u003eFilter Adjustments\u003c\/h3\u003e\n\u003cp\u003eRemove activated carbon or other chemical filtration media during treatment and keep good aeration running, since carbon can reduce medication availability in the water.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch3\u003eContinue the Course and Monitor Results\u003c\/h3\u003e\n\u003cp\u003eContinue daily treatment for \u003cstrong\u003e5 to 10 days\u003c\/strong\u003e (do not exceed 10 days). If there is \u003cstrong\u003eno improvement within 5 days\u003c\/strong\u003e, discontinue treatment and consult an aquatic professional.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch3\u003eUse in Pet Birds (Under Veterinary Guidance)\u003c\/h3\u003e\n\u003cp\u003eOnly administer metronidazole to non-food pet birds under the direction of an avian veterinarian. Your vet should confirm the diagnosis and advise the correct mg-per-kg dose, frequency, and duration. Tablets may be given whole, split, or crushed and mixed into soft food exactly as instructed.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp class=\"fph-tip\"\u003e\u003cstrong\u003ePro Tip:\u003c\/strong\u003e After treatment, perform a partial water change and reintroduce activated carbon (if you normally use it) to help remove residual medication from the water.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003chr\u003e\n\u003c!-- ===== MECHANISM ===== --\u003e\n\u003csection class=\"fph-section\" id=\"mechanism\"\u003e\n\u003ch2\u003eHow This Medication Works\u003c\/h2\u003e\n\u003cul class=\"fph-card-list\"\u003e\n\u003cli\u003e\n\u003ch3\u003eActive Ingredient: Metronidazole (250 mg or 500 mg per tablet)\u003c\/h3\u003e\n\u003cp\u003eMetronidazole is a 5-nitroimidazole medication that is activated in susceptible anaerobic organisms and certain protozoa. During activation, short-lived reactive intermediates can damage DNA and disrupt cellular function in these targets. Hobbyists may also recognize metronidazole tablets under earlier names such as Thomas Labs Fish Zole, Fish Zole Forte, and Aqua Zole.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch3\u003eInactive Ingredients\u003c\/h3\u003e\n\u003cp\u003eLike most tablets, Fix Zole includes inert excipients (such as binders and stabilizers) that help the tablet hold its shape, store well, and dissolve or disperse when mixed with water. The exact excipient list is not always published and may vary by batch.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003chr\u003e\n\u003c!-- ===== SIDE EFFECTS ===== --\u003e\n\u003cdiv class=\"fph-panel\" id=\"side-effects\"\u003e\n\u003ch2\u003eSide Effects \u0026amp; Safety Tips\u003c\/h2\u003e\n\u003cp\u003eWhen used as directed, Fix Zole (metronidazole) is generally well tolerated in ornamental aquarium fish and non-food pet birds. Incorrect dosing, prolonged use, unnecessary repeat courses, or combining treatments can increase the risk of stress and side effects.\u003c\/p\u003e\n\u003cul class=\"fph-card-list\"\u003e\n\u003cli\u003e\n\u003ch3\u003eFish\u003c\/h3\u003e\n\u003cp\u003ePossible reactions include temporary reduced appetite, mild lethargy, or hiding behavior. If you see severe distress (rapid gill movement, loss of balance, gasping at the surface, or lying on the bottom), stop treatment, increase aeration, perform a partial water change, and seek aquatic veterinary advice.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch3\u003eBirds\u003c\/h3\u003e\n\u003cp\u003eUse metronidazole only under avian veterinary guidance. Possible reactions may include decreased appetite, loose or changed droppings, and lethargy, especially if the bird is sensitive or the dose is not correct. If your bird appears fluffed up, inactive, or stops eating, discontinue use and contact an avian veterinarian.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch3\u003eInvertebrates\u003c\/h3\u003e\n\u003cp\u003eSensitivity can vary by species. Whenever possible, treat fish in a separate hospital tank instead of dosing a display aquarium that contains shrimp, snails, corals, or other invertebrates. If needed, relocate sensitive invertebrates before treatment.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch3\u003eSafe Use in Your System\u003c\/h3\u003e\n\u003cp\u003eDo not mix Fix Zole with other antibiotics or medications unless advised by a professional. Avoid routine preventative dosing. If symptoms persist or return, confirm the diagnosis before repeating a course.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch3\u003eStorage \u0026amp; Handling\u003c\/h3\u003e\n\u003cp\u003eStore at controlled room temperature of \u003cstrong\u003e59 to 86 F (15 to 30 C)\u003c\/strong\u003e in a cool, dry place. Keep the container tightly closed to protect tablets from moisture and light. Keep out of reach of children and pets.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch3\u003eImportant Safety Warning\u003c\/h3\u003e\n\u003cp\u003eFix Zole is intended for \u003cstrong\u003eornamental aquarium fish and non-food pet birds only\u003c\/strong\u003e. It is \u003cstrong\u003enot for human use\u003c\/strong\u003e and not for animals raised for food. Always follow label directions.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003chr\u003e\n\u003c!-- ===== SHIPPING ===== --\u003e\n\u003csection class=\"fph-section\" id=\"shipping\"\u003e\n\u003ch2\u003eShipping \u0026amp; Returns\u003c\/h2\u003e\n\u003cdiv class=\"fph-info-grid\"\u003e\n\u003cp class=\"fph-info-card\"\u003e\u003cstrong\u003eShipping Policy:\u003c\/strong\u003e Orders ship from our U.S. warehouse within 1 business day via USPS or UPS, with rates and delivery times calculated at checkout. For full details, see our \u003ca href=\"https:\/\/finpetmeds.com\/policies\/shipping-policy\"\u003eshipping policy\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp class=\"fph-info-card\"\u003e\u003cstrong\u003eRefund Policy:\u003c\/strong\u003e If there is an issue with your order, you may be able to return or exchange items within 30 days according to our store guidelines. Before sending anything back, please review our \u003ca href=\"https:\/\/finpetmeds.com\/policies\/refund-policy\"\u003erefund policy\u003c\/a\u003e carefully.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003chr\u003e\n\u003c!-- ===== FAQ ===== --\u003e\n\u003csection class=\"fph-section\" id=\"faq\"\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdiv class=\"fph-faq-list\"\u003e\n\u003cdetails class=\"fph-faq-item\"\u003e\n\u003csummary\u003eWhat is Fix Zole used for in aquarium fish and pet birds?\u003c\/summary\u003e\n\u003cdiv class=\"fph-faq-answer\"\u003eFix Zole (metronidazole) is commonly used by hobbyists to help manage certain protozoan concerns in ornamental aquarium fish, including issues often associated with Hexamita, Spironucleus, and internal parasites. In non-food pet birds, metronidazole may be used only under avian veterinary guidance for confirmed protozoal concerns such as canker (trichomonosis).\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"fph-faq-item\"\u003e\n\u003csummary\u003eIs Fix Zole the same as Fish Zole or Fish Zole Forte?\u003c\/summary\u003e\n\u003cdiv class=\"fph-faq-answer\"\u003eFix Zole contains the same active ingredient hobbyists have historically searched for as Thomas Labs Fish Zole, Fish Zole Forte, or Aqua Zole (metronidazole). Product names, strengths, and directions can vary, so always follow the instructions for the specific product you have.\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"fph-faq-item\"\u003e\n\u003csummary\u003eIs Fix Zole a human Flagyl alternative?\u003c\/summary\u003e\n\u003cdiv class=\"fph-faq-answer\"\u003eNo. \u003cstrong\u003eFix Zole is not a human Flagyl alternative.\u003c\/strong\u003e While it contains the active ingredient metronidazole, this product is strictly formulated, packaged, and sold as a medication for ornamental aquarium fish and non-food pet birds only. It must never be taken by humans, prescribed to yourself, or given to animals raised for food.\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"fph-faq-item\"\u003e\n\u003csummary\u003eDo I need a veterinary prescription to buy Fix Zole?\u003c\/summary\u003e\n\u003cdiv class=\"fph-faq-answer\"\u003eNo prescription is required to purchase Fix Zole for aquarium fish use. It is sold over the counter as a fish and bird medication. For pet birds, always consult an avian veterinarian before administering metronidazole to confirm the diagnosis and correct dosage.\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"fph-faq-item\"\u003e\n\u003csummary\u003eHow do I choose 250 mg vs 500 mg tablets?\u003c\/summary\u003e\n\u003cdiv class=\"fph-faq-answer\"\u003eFor aquarium dosing by water volume, choose the strength that matches your tank size and makes measuring easier. A common label-style approach is \u003cstrong\u003eone 250 mg tablet per 10 gallons (38 L)\u003c\/strong\u003e or \u003cstrong\u003eone 500 mg tablet per 20 gallons (76 L)\u003c\/strong\u003e. Do not select strength based on mild vs severe without professional guidance.\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"fph-faq-item\"\u003e\n\u003csummary\u003eDoes metronidazole help with hole-in-the-head symptoms?\u003c\/summary\u003e\n\u003cdiv class=\"fph-faq-answer\"\u003eMetronidazole is commonly used when hole-in-the-head type signs and white stringy poop are suspected to be linked to protozoan flagellates (such as Hexamita or Spironucleus). Not all cases have the same cause, so stable water quality, nutrition, and diagnosis matter just as much as medication.\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"fph-faq-item\"\u003e\n\u003csummary\u003eWill Fix Zole treat ich (white spot) or gill flukes?\u003c\/summary\u003e\n\u003cdiv class=\"fph-faq-answer\"\u003eNo. Metronidazole is not typically used for ich (white spot) or gill flukes. If symptoms suggest ich or flukes, choose a treatment that targets those parasites instead of using an antibiotic.\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"fph-faq-item\"\u003e\n\u003csummary\u003eCan Fix Zole treat fin rot or other bacterial infections?\u003c\/summary\u003e\n\u003cdiv class=\"fph-faq-answer\"\u003eMetronidazole is mainly chosen for certain protozoan concerns and anaerobic-sensitive issues. It is not a first choice for typical fin rot unless a professional has confirmed the suspected cause and recommended metronidazole as part of a plan.\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"fph-faq-item\"\u003e\n\u003csummary\u003eCan I use Fix Zole to prevent infections or as routine preventative dosing?\u003c\/summary\u003e\n\u003cdiv class=\"fph-faq-answer\"\u003eNo. Fix Zole is intended for active, suspected, or confirmed issues, not routine prevention. Unnecessary use can increase stress on fish and can contribute to medication resistance over time.\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"fph-faq-item\"\u003e\n\u003csummary\u003eHow long should I treat with Fix Zole?\u003c\/summary\u003e\n\u003cdiv class=\"fph-faq-answer\"\u003eMany hobbyists follow daily dosing for \u003cstrong\u003e5 to 10 days\u003c\/strong\u003e (do not exceed 10 days). If there is \u003cstrong\u003eno improvement within 5 days\u003c\/strong\u003e, discontinue treatment and consult an aquatic professional to confirm the cause and next steps.\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"fph-faq-item\"\u003e\n\u003csummary\u003eHow quickly might I notice improvement?\u003c\/summary\u003e\n\u003cdiv class=\"fph-faq-answer\"\u003eTiming depends on the cause, water quality, and overall husbandry. Some hobbyists notice appetite or behavior changes within a few days when the diagnosis is correct and conditions are stable. If fish worsen or do not improve within 5 days, stop treatment and seek help to confirm the diagnosis.\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"fph-faq-item\"\u003e\n\u003csummary\u003eIs Fix Zole safe in saltwater tanks?\u003c\/summary\u003e\n\u003cdiv class=\"fph-faq-answer\"\u003eDosing is based on water volume, so metronidazole can be used in freshwater or saltwater treatment tanks when used as directed. Treating in a hospital tank is often preferred for easier monitoring and to reduce risk to sensitive animals in the display system.\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"fph-faq-item\"\u003e\n\u003csummary\u003eIs Fix Zole reef-safe or safe with shrimp and snails?\u003c\/summary\u003e\n\u003cdiv class=\"fph-faq-answer\"\u003eSensitivity varies by species and system. Whenever possible, treat fish in a separate hospital tank instead of dosing a display aquarium that contains shrimp, snails, corals, or other invertebrates.\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"fph-faq-item\"\u003e\n\u003csummary\u003eWill metronidazole affect beneficial bacteria in my aquarium?\u003c\/summary\u003e\n\u003cdiv class=\"fph-faq-answer\"\u003eMetronidazole is primarily selected for protozoa and anaerobic-sensitive targets, but any medication course in a main tank can still stress the system. Use a hospital tank when you can, keep strong aeration, and monitor ammonia and nitrite during treatment.\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"fph-faq-item\"\u003e\n\u003csummary\u003eCan I combine Fix Zole with other medications?\u003c\/summary\u003e\n\u003cdiv class=\"fph-faq-answer\"\u003eAvoid mixing medications unless advised by an aquatic or avian professional. Remove activated carbon and other chemical filtration media during treatment, turn off UV sterilizers, maintain strong aeration, and monitor ammonia and nitrite.\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"fph-faq-item\"\u003e\n\u003csummary\u003eWhat precautions should I take after treatment?\u003c\/summary\u003e\n\u003cdiv class=\"fph-faq-answer\"\u003eAfter the course, perform a partial water change, then reintroduce activated carbon if you normally use it. Continue monitoring water parameters and only reintroduce sensitive animals (such as invertebrates) once the system is stable.\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"fph-faq-item\"\u003e\n\u003csummary\u003eHow do I administer metronidazole to pet birds?\u003c\/summary\u003e\n\u003cdiv class=\"fph-faq-answer\"\u003eOnly administer metronidazole to non-food pet birds under avian veterinary guidance. Your vet should confirm the diagnosis and provide the correct mg-per-kg dose, frequency, and duration. Never guess bird dosages or add tablets to communal drinking water without professional direction.\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"fph-faq-item\"\u003e\n\u003csummary\u003eIs this the same metronidazole humans use?\u003c\/summary\u003e\n\u003cdiv class=\"fph-faq-answer\"\u003eIt shares the same active ingredient name, but Fix Zole is intended for \u003cstrong\u003eornamental aquarium fish and non-food pet birds only\u003c\/strong\u003e. \u003cstrong class=\"fph-inline-warning\"\u003eNever use it as a substitute for human medicine.\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"fph-faq-item\"\u003e\n\u003csummary\u003eWhere can I buy metronidazole for fish online?\u003c\/summary\u003e\n\u003cdiv class=\"fph-faq-answer\"\u003eYou can buy Fix Zole (metronidazole) directly from Fine Pet Health. Orders ship from our U.S. warehouse the same business day via USPS or UPS, with no veterinary prescription required for aquarium fish use.\u003cbr\u003e\u003ca href=\"https:\/\/finpetmeds.com\/collections\/fish-metronidazole\"\u003eBrowse Fish \u0026amp; Bird Antibiotics Collection\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"fph-faq-item\"\u003e\n\u003csummary\u003eHow should I store and dispose of leftover tablets?\u003c\/summary\u003e\n\u003cdiv class=\"fph-faq-answer\"\u003eStore tablets in the original container in a cool, dry place away from heat and moisture, and keep out of reach of children and pets. Follow local guidance for medication disposal and avoid flushing tablets unless your local authority specifically instructs it.\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003chr\u003e\n\u003c!-- ===== MORE ANTIBIOTICS ===== --\u003e\n\u003csection class=\"fph-section\"\u003e\n\u003ch2\u003eMore Fish \u0026amp; Bird Antibiotics\u003c\/h2\u003e\n\u003cdiv class=\"fph-info-grid\"\u003e\n\u003cp class=\"fph-info-card\"\u003e\u003cstrong\u003eFix Mox (Amoxicillin) 250\/500mg\u003c\/strong\u003e A broad-spectrum penicillin-type fish antibiotic for fin rot, dropsy, ulcers and other bacterial infections. Available in 30-count and 100-count capsules. \u003ca href=\"https:\/\/finpetmeds.com\/collections\/fish-antibiotics\/products\/fix-mox-amoxicillin-capsules-fish-antibiotics\"\u003eShop Fix Mox\u003c\/a\u003e\u003c\/p\u003e\n\u003cp class=\"fph-info-card\"\u003e\u003cstrong\u003eFix Doxy (Doxycycline) 100mg\u003c\/strong\u003e A tetracycline-class fish and bird antibiotic effective against columnaris, respiratory infections and Mycoplasma. Available in 30-count and 60-count tablets. \u003ca href=\"https:\/\/finpetmeds.com\/collections\/fish-antibiotics\/products\/fix-doxy-doxycycline-100mg-30-tablets\"\u003eShop Fix Doxy\u003c\/a\u003e\u003c\/p\u003e\n\u003cp class=\"fph-info-card\"\u003e\u003cstrong\u003eFix Zithro (Azithromycin) 250mg\u003c\/strong\u003e A macrolide fish and bird antibiotic for fin rot, columnaris, gill disease and avian respiratory concerns. Available in 12-count and 30-count tablets. \u003ca href=\"https:\/\/finpetmeds.com\/collections\/fish-antibiotics\/products\/fix-zithro-azithromycin-250\"\u003eShop Fix Zithro\u003c\/a\u003e\u003c\/p\u003e\n\u003cp class=\"fph-info-card\"\u003e\u003cstrong\u003eFix Cin (Clindamycin) 150mg\u003c\/strong\u003e A lincosamide fish antibiotic commonly used for gram-positive bacterial infections including skin and soft tissue concerns in ornamental fish. \u003ca href=\"https:\/\/finpetmeds.com\/collections\/fish-antibiotics\/products\/fix-cin-clindamycin-150-fish-antibiotic\"\u003eShop Fix Cin\u003c\/a\u003e\u003c\/p\u003e\n\u003cp class=\"fph-info-card\"\u003e\u003cstrong\u003eFix Sulfa (SMZ\/TMP) 960mg\u003c\/strong\u003e A sulfonamide combination fish antibiotic offering broad-spectrum coverage against a range of bacterial infections in ornamental fish. \u003ca href=\"https:\/\/finpetmeds.com\/collections\/fish-antibiotics\/products\/fix-sulfa-960-mg-otc-fish-antibiotic\"\u003eShop Fix Sulfa\u003c\/a\u003e\u003c\/p\u003e\n\u003cp class=\"fph-info-card\"\u003e\u003cstrong\u003eFix Pen (Penicillin) 500mg\u003c\/strong\u003e A penicillin-type fish and bird antibiotic for gram-positive bacterial infections in ornamental fish and non-food pet birds. \u003ca href=\"https:\/\/finpetmeds.com\/collections\/fish-antibiotics\/products\/fix-pen-500mg-otc-fish-bird-penicillin\"\u003eShop Fix Pen\u003c\/a\u003e\u003c\/p\u003e\n\u003cp class=\"fph-info-card\"\u003e\u003cstrong\u003eFix Flex (Cephalexin) 250\/500mg\u003c\/strong\u003e A first-generation cephalosporin fish and bird antibiotic for fin rot, ulcers and bacterial skin infections in ornamental fish. \u003ca href=\"https:\/\/finpetmeds.com\/collections\/fish-antibiotics\/products\/fix-flex-cephalexin-fish-bird-antibiotic\"\u003eShop Fix Flex\u003c\/a\u003e\u003c\/p\u003e\n\u003cp class=\"fph-info-card\"\u003e\u003cstrong\u003eFix Flox (Ciprofloxacin) 500mg\u003c\/strong\u003e A fluoroquinolone fish and bird antibiotic for gram-negative bacterial infections including fin rot, ulcers, columnaris and septicemia in ornamental fish. \u003ca href=\"https:\/\/finpetmeds.com\/collections\/fish-antibiotics\/products\/fix-flox-ciprofloxacin-500\"\u003eShop Fix Flox\u003c\/a\u003e\u003c\/p\u003e\n\u003cp class=\"fph-info-card\"\u003e\u003cstrong\u003eBrowse all treatments\u003c\/strong\u003e Explore our complete \u003ca rel=\"noopener\" href=\"https:\/\/finpetmeds.com\/collections\/fish-metronidazole\"\u003e\u003cstrong\u003eFish \u0026amp; Bird Antibiotics Collection\u003c\/strong\u003e\u003c\/a\u003e for more Fix line products and related treatments.\u003c\/p\u003e\n\u003cp class=\"fph-info-card\"\u003e\u003cstrong\u003eGuides and treatment tips\u003c\/strong\u003e Visit the \u003ca rel=\"noopener\" href=\"https:\/\/finpetmeds.com\/collections\/fish-metronidazole\"\u003e\u003cstrong\u003eFish \u0026amp; Bird Antibiotics Blog\u003c\/strong\u003e\u003c\/a\u003e for practical dosing guides, water-care advice and treatment tips.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003chr\u003e\n\u003c\/div\u003e","brand":"Aqua Soma Labs","offers":[{"title":"250-mg (60 Count)","offer_id":51178806051101,"sku":"267840","price":69.99,"currency_code":"USD","in_stock":true},{"title":"500-mg (60 Count)","offer_id":51178806083869,"sku":"029850","price":89.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0987\/3863\/5037\/files\/fix-zole-metronidazole-250mg-60-count-fish-antibiotic..webp?v=1776421572","url":"https:\/\/finpetmeds.com\/products\/fix-zole-250-metronidazole-250mg-60-doses","provider":"FINPETMEDS","version":"1.0","type":"link"}