Official Aqua Soma Labs Store – Fish & Bird Antibiotics
Fish & Bird Antibiotics by Aqua Soma Labs Official US Dealer
Fine Pet Health is the official US dealer for the Aqua Soma Labs Fix line of fish and bird antibiotics. We carry the complete range of OTC aquarium antibiotics. No prescription required.
Direct replacement for Thomas Labs products
The active ingredients, dosages, and capsule formats remain the same. Fix Mox replaces Fish Mox, Fix Doxy replaces Fish Doxy, and Fix Flex replaces Fish Flex. The full lineup covers every active ingredient hobbyists relied on for years.
All products are sold OTC for ornamental aquarium fish and non-food pet birds. Orders ship from our US warehouse. Same-day dispatch available Mon-Fri when ordered before 1:30 PM CT.
Frequently Asked Questions Fish & Bird Antibiotics
Can I still buy fish antibiotics without a prescription?
Yes. All fish and bird antibiotics in the Aqua Soma Labs Fix line are sold over the counter (OTC) in the United States. No veterinary prescription is required. These products are labeled for use in ornamental aquarium fish and non-food pet birds. You can order any Fix antibiotic directly from Fine Pet Health and have it shipped to your door.
Are fish antibiotics still legal to buy after the 2023 FDA changes?
Yes. In June 2023 the FDA reclassified certain medically important antibiotics for animals to prescription-only status. However, fish and bird antibiotics labeled exclusively for ornamental aquarium fish and non-food pet birds, such as the Aqua Soma Labs Fix line, remain available over the counter. All Fix products sold by Fine Pet Health are OTC and do not require a veterinary prescription.
What happened to Thomas Labs fish antibiotics?
Thomas Labs discontinued its Fish Mox, Fish Flex, Fish Zole, and other aquarium antibiotic lines. Aqua Soma Labs now produces direct replacements under the Fix brand name with the same active ingredients, dosages, and capsule formats. Fine Pet Health is the official US dealer for the full Aqua Soma Labs lineup. For the complete story and a product-by-product replacement guide, see our detailed article: What Happened to Thomas Labs Fish Antibiotics.
Where can I buy fish antibiotics online?
Fine Pet Health (finepethealth.com) is the official US dealer for Aqua Soma Labs fish and bird antibiotics. We stock the complete Fix product line: amoxicillin, doxycycline, metronidazole, azithromycin, ciprofloxacin, cephalexin, clindamycin, penicillin, and sulfamethoxazole/trimethoprim. All products are available OTC with same-day dispatch Monday through Friday when ordered before 1:30 PM CT.
Does Petco or Amazon sell fish antibiotics?
Since the June 2023 FDA rule change, major retailers like Petco and Amazon no longer sell oral fish antibiotics such as amoxicillin, doxycycline, or metronidazole capsules over the counter. Petco now offers only non-antibiotic fish remedies like MelaFix and PimaFix. Fine Pet Health is an authorized online dealer for Aqua Soma Labs, offering the full Fix line of OTC fish and bird antibiotics shipped directly within the US.
Is Aqua Soma Labs the same as Thomas Labs?
Aqua Soma Labs is a separate company that produces fish and bird antibiotics as direct replacements for the discontinued Thomas Labs line. The active ingredients and dosage strengths are the same. Fix Mox replaces Fish Mox, Fix Doxy replaces Fish Doxy, Fix Flex replaces Fish Flex, Fix Zole replaces Fish Zole, and so on across the entire product range. Fine Pet Health is the official US dealer for Aqua Soma Labs.
What fish antibiotics does Fine Pet Health carry?
We carry the complete Aqua Soma Labs Fix line: Fix Mox (amoxicillin 250 mg and 500 mg), Fix Doxy (doxycycline 100 mg), Fix Zole (metronidazole 250 mg and 500 mg), Fix Zithro (azithromycin 250 mg), Fix Flox (ciprofloxacin 500 mg), Fix Flex (cephalexin 250 mg and 500 mg), Fix Cin (clindamycin 150 mg), Fix Pen (penicillin 500 mg), and Fix Sulfa (sulfamethoxazole/trimethoprim 960 mg). Each product page includes a detailed FAQ, dosing information, and a list of targeted conditions.
How do I choose the right fish antibiotic for my aquarium?
The right antibiotic depends on the type of infection. Amoxicillin (Fix Mox) is a broad-spectrum starting point for common bacterial issues like fin rot and skin ulcers. Doxycycline (Fix Doxy) targets respiratory and gill infections. Metronidazole (Fix Zole) treats anaerobic bacteria and protozoan parasites such as Hexamita. Ciprofloxacin (Fix Flox) handles gram-negative bacteria including Pseudomonas. Cephalexin (Fix Flex) is effective for soft-tissue infections. For a detailed breakdown, visit each product page or contact our support team at support@finepethealth.com.
What is the difference between 250 mg and 500 mg fish antibiotics?
The milligram number refers to the amount of active ingredient per capsule or tablet. A 500 mg capsule contains twice the medication of a 250 mg capsule. The right strength depends on the size of your aquarium and the species being treated. Smaller tanks and smaller fish typically use 250 mg, while larger setups may require 500 mg. Consult the dosing information on each product page for tank-volume-based guidelines.
Are Aqua Soma Labs antibiotics the same quality as the old Thomas Labs products?
Yes. Aqua Soma Labs Fix antibiotics contain the same USP-grade active ingredients at the same milligram strengths as the original Thomas Labs products. The capsule and tablet formats are also the same, so dosing does not change. Fine Pet Health sources all Fix products directly from Aqua Soma Labs and stores them in climate-controlled US warehousing.
Are fish antibiotics safe for humans to take?
Fish and bird antibiotics sold by Fine Pet Health are manufactured and labeled for ornamental aquarium fish and pet birds only. We do not sell products intended for human consumption and cannot provide guidance on human use. If you need antibiotics, please consult a licensed healthcare provider. Self-medicating with products not intended for humans carries serious health risks.
Can I use fish antibiotics for my dog, cat, or other pets?
Aqua Soma Labs Fix products are labeled and sold exclusively for ornamental aquarium fish and non-food pet birds. We cannot recommend, advise, or endorse their use in dogs, cats, livestock, or any other animals. If your pet needs antibiotic treatment, please consult a licensed veterinarian who can prescribe the appropriate medication and dosage for your animal's specific condition.
Will fish antibiotics affect the beneficial bacteria in my aquarium?
Antibiotics can reduce populations of nitrifying bacteria that maintain your aquarium's nitrogen cycle. The degree of impact varies by antibiotic type: broad-spectrum agents like amoxicillin or ciprofloxacin tend to have a larger effect than targeted options like metronidazole. To minimize disruption, consider treating in a separate hospital tank, monitoring ammonia and nitrite levels during treatment, and being prepared to perform extra water changes. Each product page includes specific guidance on biofilter impact.
What is the shelf life of fish antibiotics?
Most Aqua Soma Labs Fix antibiotics carry a shelf life of 2 to 3 years from the date of manufacture when stored in a cool, dry place away from direct sunlight. Each bottle or blister pack is stamped with a lot number and expiration date. We rotate inventory regularly to ensure customers receive products with the longest remaining shelf life.
Is Fine Pet Health an authorized Aqua Soma Labs dealer?
Yes. Fine Pet Health is the official US dealer for Aqua Soma Labs. We source all Fix-line fish and bird antibiotics directly from the manufacturer and guarantee authentic, sealed products. Our US warehouse maintains proper storage conditions. If you have questions about product authenticity, contact us at support@finepethealth.com or call +1 310 596 1554.
How fast does Fine Pet Health ship orders?
Orders placed before 1:30 PM CT, Monday through Friday, ship the same business day from our US warehouse via USPS or UPS. Standard delivery typically takes 2 to 5 business days depending on your location. Expedited shipping options are available at checkout. Tracking information is emailed automatically once your order ships.
How do I track my Fine Pet Health order?
A tracking number is emailed to you automatically as soon as your order ships. You can also check your order status anytime on our Track Your Order page. If you have not received tracking information within one business day of placing your order, contact us at support@finepethealth.com.
What is your return and refund policy for fish antibiotics?
If you receive the wrong product, contact us at support@finepethealth.com and we will arrange a replacement or refund. Due to the nature of pharmaceutical products, we are unable to accept returns of fish antibiotics for other reasons. Full details are available on our Refund and Return Policy page.
What forms of payment does Fine Pet Health accept?
We accept Visa, Mastercard, American Express, Discover, Google Pay, Apple Pay, and Shop Pay. All transactions are processed through Shopify's PCI-compliant secure checkout. Your payment information is encrypted and never stored on our servers.
How do I contact Fine Pet Health customer support?
Our customer care team is available Monday through Friday, 8:00 AM to 6:00 PM CT. You can reach us by email at support@finepethealth.com, by phone at +1 310 596 1554, or through the Contact Us form on our website. We typically respond to emails within one business day.