Fish Sulfamethoxazole 800mg + Trimethoprim 160mg – 30 Tablets
$59.95 $79.95
Out Stock
- FREE 1-3 day shipping over $49
Fish Sulfa – Sulfamethoxazole 800mg + Trimethoprim 160mg (30 Tablets) | FixMox
Dual-Action Fish Antibiotic for Broad-Spectrum Infection Control
Fish Sulfa combines two powerful antibiotics—800mg Sulfamethoxazole and 160mg Trimethoprim—to treat a wide range of internal and external bacterial infections in aquarium fish. This trusted combination therapy delivers effective results against stubborn gram-positive and gram-negative pathogens. Discover more premium antibiotics at FixMox.
Key Benefits:
-
Dual-Antibiotic Formula: Sulfamethoxazole and trimethoprim work synergistically to boost antibacterial efficacy.
-
Broad-Spectrum Protection: Targets both internal and external infections across many fish species.
-
Effective Against Resistant Infections: Often used when other treatments fail.
-
Safe & Versatile: Ideal for freshwater setups; consult before reef tank use.
Instructions for Use
Purpose: Fix Sulfa is a broad-spectrum fish antibiotic designed to treat infections affecting the skin, fins, gills, and internal organs.
Cautions:
-
Not for human use.
-
Keep out of reach of children.
-
May affect invertebrates and sensitive plants.
-
Remove carbon filtration before use.
-
Monitor tank conditions closely during treatment.
Dosage Guidelines:
-
Standard Dose: Add 1 tablet (960mg) per 40 gallons of aquarium water.
-
Repeat: Every 24 hours.
-
Duration: Continue treatment for 5 to 10 days.
-
Color Note: Water may turn yellow; use charcoal filtration and change 20% of water to clear.
Consult an aquatic expert for dosage modifications based on tank type and infection severity.
How to Use:
-
Direct Administration: Administer tablet orally to fish, if possible.
-
Food Mixing: Crush tablet and mix with a small amount of fish food.
-
Water Treatment: Dissolve the tablet or crushed tablet into aquarium water for immersion therapy.
Ingredients:
-
Sulfamethoxazole – 800mg
-
Trimethoprim – 160mg
Important Notices:
-
Water Changes: Perform partial water changes between treatments.
-
Monitoring: Observe fish behavior daily during use.
-
Stop Treatment: Discontinue if adverse reactions occur or if no improvement is noted within 5 days.
Your order of 50$ or more gets free standard delivery.
- Standard delivered 4-5 Business Days
- Express delivered 2-4 Business Days
Orders are processed and delivered Monday-Friday (excluding public holidays)
members enjoy free returns.



Related Products
- $69.95
- $89.95
- $69.95
- Unit price
- / per