Fish Sulfa (Sulfamethoxazole/Trimethoprim) 960mg – 30 Tablets

Fish Slfa Tablets provide a potent dual-action antibiotic solution designed to fight a wide range of bacterial infections in ornamental fish. This advanced formula combines sulfamethoxazole and trimethoprim, delivering synergistic efficacy against both gram-positive and gram-negative bacteria, including fin rot, tail rot, columnaris, and gill infections.

Highly trusted by aquatic veterinarians and home aquarists alike, Fish Sulfa is safe for freshwater and marine aquariums and promotes fast, visible recovery with minimal impact on tank balance.

What Are the Benefits of Fish Sulfa Tablets for Fish?

• Dual-Action Antibiotic: Sulfamethoxazole and trimethoprim work together to inhibit bacterial DNA synthesis, enhancing recovery rates.
• Broad-Spectrum Treatment: Effective against a wide array of infections, including fin rot, tail rot, columnaris, and gill inflammation.
• Quick Symptom Relief: Noticeable improvement in most cases within 24 to 48 hours of treatment.
• Aquarium-Safe: Formulated for use with ornamental species in both freshwater and saltwater systems.
• Fast-Dissolving Tablets: Minimizes stress on fish and allows accurate, hassle-free dosing.

How to Use Fish Sulfa Tablets

• Remove carbon filtration: This ensures the medication is not absorbed before it can take effect.
• Dosage: Use 1 tablet per 10 gallons of water daily. Continue treatment for up to 5 days or as directed by an aquatic specialist.
• Post-treatment: Perform a 25% water change and reintroduce normal filtration to restore tank balance.

Active Ingredients

• Sulfamethoxazole (400mg): Inhibits folic acid synthesis, stopping bacterial growth.
• Trimethoprim (80mg): Boosts the antibiotic effect for maximum coverage.

Possible Side Effects

• Temporary water cloudiness
• Mild stress in sensitive fish species
• Potential resistance if overused

Precautions for Safe Use

• For ornamental aquarium use only. Not for use with food-producing animals or humans.
• Do not exceed recommended dosage.
• Use with caution in tanks with invertebrates; remove shrimp and snails during treatment.
• Replenish beneficial bacteria after treatment if needed.

Storage Instructions

• Store between 59°F–86°F (15°C–30°C) in a cool, dry environment.
• Keep tablets sealed and protected from light and humidity.

Shipping & Returns

Shipping: Ground, Express, Priority, and International shipping available. View shipping policy.

Returns: Facing an issue? Check our refund policy for return guidelines.

FAQs – Fish Sulfa Tablets

What does Fish Sulfa treat?

It treats bacterial infections such as fin rot, tail rot, gill disease, and columnaris in freshwater and marine fish.

How fast does it work?

Visible relief typically occurs within 24 to 48 hours, depending on infection severity and tank conditions.

Can I use it in community tanks?

Yes, but monitor tank mates closely. Remove sensitive species like shrimp before use.

Does it kill beneficial bacteria?

It may slightly reduce bacterial colonies; reintroduce beneficial bacteria after completing treatment.

Is it plant-safe?

Yes, Fish Sulfa is generally safe for most aquarium plants.

Should I use it in a hospital tank?

Using a hospital tank is recommended for isolated treatment and to preserve the main ecosystem.

Can I feed fish during treatment?

Yes, feeding is allowed but avoid overfeeding to maintain water quality.

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