Thomas Labs Fish Flex Forte - Cephalexin 500mg 100 Capsules
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Thomas Labs Fish Flex Forte - Cephalexin 500mg 100 Capsules

Aqua Lab
SKU:
AS-10003-7
$89.99 $79.99
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Description

Thomas Labs Fish Flex Forte – Cephalexin 500mg 100 Capsules

Thomas Labs Fish Flex Forte – Cephalexin 500mg is a high-potency broad-spectrum antibiotic designed to treat bacterial infections in aquarium fish. Each capsule contains 500 mg of cephalexin, an effective treatment against gram-positive and gram-negative bacteria. Manufactured by Thomas Labs, this antibiotic is essential for maintaining aquarium fish health.

Related: Shop All Fish Antibiotics

Key Benefits

✅ Broad-Spectrum Antibiotic – Treats infections such as fin rot, tail rot, columnaris, and ulcers
✅ High Potency – Each capsule delivers 500 mg of cephalexin for reliable results
✅ Safe for Aquatic Use – Formulated to protect aquarium balance while treating bacterial infections
✅ Convenient Bottle Size – A 100-capsule pack is perfect for large aquariums or multiple treatments
✅ Trusted Quality – Backed by Thomas Labs, a leader in fish antibiotics

Looking for a lower dose? Check out Fish Flex 250mg (100 Count)

Instructions for Use

Purpose: Fish Flex Forte treats bacterial infections such as gill disease, tail rot, and septicemia.

Dosage:

  • Add 1 capsule (500 mg) per 10 gallons of water
  • Repeat every 24 hours for 5-10 days, depending on the severity of the infection

Cautions:
⚠ Not for human use
⚠ Remove activated carbon filters during treatment for optimal results
⚠ Perform partial water changes (20-25%) between doses to maintain water quality

For additional guidance, check out our Fish Antibiotics Guide

Ingredients

Active Ingredient: Cephalexin 500 mg per capsule

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Additional Information
Short Description:
Thomas Labs Fish Flex Forte - Cephalexin 500 mg Capsules (100 Count) is a reliable antibiotic for treating bacterial infections in aquarium fish, including fin rot and columnaris.