$39.99 $49.99
Out Stock
Wondering if your fish antibiotics are still safe and potent? Welcome to the official FishAntibiotics.us expiration date tracker—the most accurate and up-to-date source for ensuring you receive the freshest fish meds online.
Whether you're purchasing trusted Fish Mox (Amoxicillin), powerful Fish Zole (Metronidazole), or broad-spectrum solutions like Fish Flex (Cephalexin) or Fish Sulfa (Sulfamethoxazole/Trimethoprim), we keep you informed. Updated regularly, this guide helps you compare your product with the latest batch from FishAntibiotics.us.
We specialize in only the most reliable, pharmaceutical-grade aquarium antibiotics, including ciprofloxacin, azithromycin, clindamycin, and fluconazole. Buy with confidence, knowing your medication hasn’t passed its prime.
Fish Mox – Amoxicillin 500mg 100 Capsules – Expires: 08/2027
Fish Mox – Amoxicillin 250mg 100 Capsules – Expires: 05/2027
Fish Doxy – Doxycycline 100mg 30 Capsules – Expires: 02/2026
Fish Doxy – Doxycycline 100mg 60 Capsules – Expires: 06/2026
Fish Sulfa – Sulfamethoxazole & Trimethoprim 960mg 60 Tablets – Expires: 12/2028
Fish Sulfa – Sulfamethoxazole & Trimethoprim 960mg 30 Tablets – Expires: 12/2028
Fish Pen – Penicillin 500mg 30 Tablets – Expires: 06/2026
Fish Pen – Penicillin 500mg 60 Tablets – Expires: 06/2026
Fish Flox – Ciprofloxacin 500mg 30 Capsules – Expires: 04/2027
Fish Flox – Ciprofloxacin 500mg 60 Capsules – Expires: 04/2027
Fish Flex – Cephalexin 250mg 100 Capsules – Expires: 04/2026
Fish Flex – Cephalexin 500mg 100 Capsules – Expires: 06/2027
Fish Zole – Metronidazole 250mg 60 Tablets – Expires: 12/2026
Fish Zole – Metronidazole 500mg 60 Tablets – Expires: 02/2027
Fish Zithro – Azithromycin 250mg 30 Tablets – Expires: 06/2027
Fish Cin – Clindamycin 150mg 100 Capsules – Expires: 08/2026
Reef Flux – Fluconazole 200mg 10 Capsules – Expires: 02/2027
HD-10001
Fish Flucon (Fluconazole) Capsules are a powerful antifungal treatment formulated to combat fungal infections in aquarium fish. Whether you’re dealing with cotton mouth, fin fungus, or systemic infections, Reef Flux provides broad-spectrum action and fast results.
Trusted by both beginner and professional aquarists, Reef Flux is compatible with both freshwater and saltwater tanks, dissolves quickly, and ensures minimal disruption to your tank’s ecosystem.
Shipping: We offer Ground, Express, Priority, and International options. View full shipping policy.
Returns: If you are not satisfied, see our refund policy for return instructions.
It treats fungal infections such as cotton mouth, fungal fin rot, and systemic infections caused by Saprolegnia and similar pathogens.
Yes. Reef Flux is safe for both saltwater and freshwater aquariums.
No. Fluconazole selectively targets fungi and has minimal impact on nitrifying bacteria.
Use with caution. Reef Flux may be harmful to sensitive invertebrates, so remove them before treatment.
Generally, 5–7 days. Severe infections may require up to 10 days of continuous treatment.
No. Reef Flux dissolves clearly and does not alter water color.
Yes, when dosed correctly. Reef Flux is safe for bettas and other ornamental species.
Yes. Reef Flux is generally safe for most live aquarium plants when used as directed.
![]() |
![]() |
Your order of 49$ or more gets free delivery.
Orders are processed and delivered Monday-Friday (excluding public holidays)
members enjoy free returns.
Added to cart successfully. What's next?
Product type: 1
1 x $00.00