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Thomas Labs Fish Flex - Cephalexin/Keflex 250 mg Capsules (100 Count) - 3 Pack

Thomas Labs Fish Flex - Cephalexin/Keflex 250 mg Capsules (100 Count) - 3 Pack

Regular price $179.97 USD
Regular price $189.99 USD Sale price $179.97 USD
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Thomas Labs Fish Flex - Cephalexin/Keflex 250 mg Capsules (100 Count) - 3 Pack

Fish Flex (Cephalexin) 250mg by Thomas Labs is a broad-spectrum fish antibiotic designed to treat bacterial infections in freshwater and saltwater aquariums. This 3-pack bundle offers great value and ensures long-term protection against fish diseases.

For more fish antibiotics, visit our collection.


Key Benefits of Fish Flex (Cephalexin) 250mg

Broad-Spectrum Antibiotic – Effectively treats bacterial infections in fish.
Treats Fin Rot & Ulcers – Ideal for fin rot, tail rot, and other gram-positive bacterial infections.
3-Pack Bundle – Convenient for large aquariums or multiple treatments.
Safe for Freshwater & Saltwater Fish – Designed for aquarium fish without harming beneficial bacteria.
Trusted Manufacturer – Made by Thomas Labs, a leader in fish antibiotics.


How to Use Fish Flex (Cephalexin) 250mg

Dosage Instructions

  • Add 1 capsule (250mg) per 10 gallons of water.
  • Repeat every 24 hours for 5-10 days, depending on the severity of the infection.
  • Complete the full treatment course, even if symptoms improve.

Important Usage Guidelines

Remove Activated Carbon Filters – Filters may absorb the medication, reducing effectiveness.
Perform Water Changes20-25% water change is recommended between doses.
Use in a Quarantine Tank – Helps prevent disruption to biological filtration in the main aquarium.


Common Fish Diseases Treated with Fish Flex (Cephalexin) 250mg

  • Fin Rot – Bacterial infection leading to frayed, decaying fins.
  • Tail RotTissue loss in the tail due to bacterial infection.
  • Gill Disease – Bacterial infection affecting fish breathing.
  • Skin UlcersOpen sores caused by bacterial infections.

For more fish antibiotics, visit our Fish Antibiotics Collection.


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Fish Sulfa Forte - Sulfamethoxazole 800mg, Trimethoprim 160mg (30 Tablets)


Tags

fish antibiotics, Cephalexin, Fish Flex, Fish Antibiotics, Bacterial Infections, Thomas Labs, Aquarium Medication, Cephalexin 250mg.

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