Fish Amoxicillin Clavulanate 875/125mg – 30 Count | Thomas Labs
$89.99 $99.95
In Stock
- New regulations are coming, and our fish medications will be unavailable soon. Stock up now—limited supply!
Check The Latest Expiration Dates
Check The Latest Expiration Dates
Updated 05/21/2025
Looking for the freshest and most reliable fish antibiotics online? Whether you're stocking up on Fish Mox, Fish Flex, Fish Zole, or Fish Sulfa, knowing the expiration dates is essential for ensuring the effectiveness of your aquarium medication. We've created this regularly updated expiration list so you can shop confidently. Don't risk outdated meds—compare your current product with the latest fish antibiotics expiration dates from trusted sources like Thomas Labs Pets.
From broad-spectrum fish antibiotics like amoxicillin, ciprofloxacin, and doxycycline, to advanced treatments like fluconazole and metronidazole, we’ve got you covered. Make sure your fish meds are safe, current, and fully potent with the latest updates below.
Fish Antibiotics Expiration Dates
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Fish Mox - Amoxicillin 500 mg 100 Capsules – Expires: 08/2027
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Fish Mox - Amoxicillin 250 mg 100 Capsules – Expires: 05/2027
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Fish Zole - Metronidazole 250 mg 60 Tablets – Expires: 12/2026
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Fish Zole - Metronidazole 500 mg 60 Tablets – Expires: 02/2027
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Fish Flex - Cephalexin 250 mg 100 Capsules – Expires: 04/2026
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Fish Flex - Cephalexin 500 mg 100 Capsules – Expires: 06/2027
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Fish Doxy - Doxycycline 100 mg 30 Capsules – Expires: 02/2026
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Fish Doxy - Doxycycline 100 mg 60 Capsules – Expires: 06/2026
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Fish Pen - Penicillin 500 mg 30 Tablets – Expires: 06/2026
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Fish Pen - Penicillin 500 mg 60 Tablets – Expires: 06/2026
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Fish Flox - Ciprofloxacin 500 mg 30 Capsules – Expires: 04/2027
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Fish Flox - Ciprofloxacin 500 mg 60 Capsules – Expires: 04/2027
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Fish Sulfa - Sulfamethoxazole & Trimethoprim 960 mg 30 Tablets – Expires: 12/2028
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Fish Sulfa - Sulfamethoxazole & Trimethoprim 960 mg 60 Tablets – Expires: 12/2028
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Fish Zithro - Azithromycin 250 mg 30 Tablets – Expires: 06/2027
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Fish Cin - Clindamycin 150 mg 100 Capsules – Expires: 08/2026
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Reef Flux - Fluconazole 200 mg 10 Capsules – Expires: 02/2027
Category:
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Guaranteed Fresh Stock with Latest Expiration Dates +2027
Guaranteed Fresh Stock with Latest Expiration Dates +2027
Fast, Same-Day Shipping Available Before 1 PM CST.
Fast, Same-Day Shipping Available Before 1 PM CST.
Fish Amoxicillin Clavulanate Thomas Labs Aquarium Antibiotic for Ulcers, Popeye & Systemic Infections
Fish Amoxicillin Clavulanate 875/125mg is a premium, broad-spectrum antibiotic for treating moderate to severe bacterial infections in ornamental aquarium fish. Works on:
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Ulcers, wounds, red streaks
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Septicemia
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Fin rot
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Columnaris (mouth rot)
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Swelling and popeye
Each tablet delivers a potent combination of Amoxicillin and Clavulanate for fast, targeted relief. No veterinary prescription required.
- Safe for community aquariums
- Trusted by breeders and aquarists
- Made in the USA – Ships fast
DIRECTIONS FOR USE:
Add one 1000 mg tablet per 40 gallons of water.
Repeat in 24 hours. Conduct partial water changes between treatments.
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Treat for 5–10 days
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Stop treatment if no improvement after 5 days
STORAGE:
Keep sealed in a dry, dark place under 77°F.
Avoid moisture exposure. Keep out of reach of pets and children.
FAQ
Q: What infections does this treat?
A: It treats popeye, columnaris, red streaks, ulcers, and more.
Q: Is this Thomas Labs original?
A: Yes — professionally formulated and quality-assured.
Usually ships within 1 business day to USA & CANADA
Shipping Options:
FREE SHIPPING ON ALL ORDERS- USPS First Class Package : $6.95, 3-5 days (USPS First Class Package)
- FedEx 2Day®: $29.95, 1-Business Days (FedEx)
More Shipping Info:
- Orders placed Monday-Friday before 2pm Central Time usually ship the same day.
- We ship to the USA And Canada only.

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