Fish Antibiotics Expiration Dates
Always Fresh. Always Trusted. Stay Updated on the Latest Fish Med Expirations.
Wondering if your aquarium antibiotics are still safe and potent? Welcome to the official expiration date tracker from FishMox.us — the most accurate and regularly updated source for verifying the shelf life of your fish medications.
Whether you're treating your tank with Fish Mox (Amoxicillin), fighting parasites with Fish Zole (Metronidazole), or relying on advanced treatments like Fish Flex (Cephalexin) and Fish Sulfa (Sulfamethoxazole + Trimethoprim), this page gives you the confidence that your product is within its usable period.
All medications listed here are pharmaceutical grade, aquarium-safe, and shipped fresh from U.S. inventory. We do not sell near-expiry or outdated stock.
Current Product Expiration Dates
- Fish Mox 500mg 100 Capsules – Expires: 08/2027
- Fish Mox 250mg 100 Capsules – Expires: 05/2027
- Fish Doxy 100mg 30 Capsules – Expires: 02/2026
- Fish Doxy 100mg 60 Capsules – Expires: 06/2026
- Fish Sulfa 960mg 60 Tablets – Expires: 12/2028
- Fish Sulfa 960mg 30 Tablets – Expires: 12/2028
- Fish Pen 500mg 30 Tablets – Expires: 06/2026
- Fish Pen 500mg 60 Tablets – Expires: 06/2026
- Fish Flox 500mg 30 Capsules – Expires: 04/2027
- Fish Flox 500mg 60 Capsules – Expires: 04/2027
- Fish Flex 250mg 100 Capsules – Expires: 04/2026
- Fish Flex 500mg 100 Capsules – Expires: 06/2027
- Fish Zole 250mg 60 Tablets – Expires: 12/2026
- Fish Zole 500mg 60 Tablets – Expires: 02/2027
- Fish Zithro 250mg 30 Tablets – Expires: 06/2027
- Fish Cin 150mg 100 Capsules – Expires: 08/2026
- Reef Flux 200mg 10 Capsules – Expires: 02/2027
Why Check Expiration Dates Before You Buy?
- ✔️ Ensure full antibiotic strength during treatment
- ✔️ Avoid ineffective doses from expired meds
- ✔️ Protect fish from delayed or failed recovery
- ✔️ Buy confidently knowing your order is verified fresh
You can always shop with peace of mind at FishMox.us, where expiration transparency is guaranteed.
