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Aqua Flex Cephalexin 250mg – 30 Capsules
  • Aqua Flex Cephalexin 250mg – 30 Capsules
  • Aqua Flex Cephalexin 250mg – 30 Capsules
Aqua Flex (Cephalexin) 250mg – 30 Capsules

Aqua Flex (Cephalexin) 250mg – 30 Capsules

$33.99 $43.99

Aqua Flex (Cephalexin) 250mg – 30 Capsules

Aqua Flex 250mg is a high-quality cephalexin fish antibiotic used by aquarists to treat a wide range of bacterial infections in ornamental fish. Equivalent to Fish Flex, this trusted antibiotic is effective against gram-positive bacteria, making it suitable for conditions such as fin rot, ulcers, columnaris, popeye, and gill infections. The 30-count bottle offers a convenient and affordable solution for small aquariums or shorter treatment cycles.

What Aqua Flex 250mg Treats

  • Fin Rot & Tail Rot – Stops progression and encourages regrowth
  • Columnaris (Cotton Wool Disease) – Treats gram-positive bacterial outbreaks
  • Ulcers & Open Wounds – Prevents further bacterial invasion
  • Gill Disease – Reduces inflammation and restores healthy breathing
  • Popeye Disease – Helps relieve bacterial swelling behind the eye

Why Choose Aqua Flex 250mg?

  • Equivalent to Fish Flex (Cephalexin)
  • Lower-dose capsules for precise dosing
  • Convenient 30-count bottle for smaller tanks or short treatments
  • Pharmaceutical-grade, USP-standard quality
  • Effective against gram-positive bacterial infections
  • No veterinary prescription required
  • Fast, reliable USA shipping

Product Specifications

  • Active Ingredient: Cephalexin 250mg per capsule
  • Quantity: 30 Capsules per bottle
  • Form: Hard-shell capsules
  • Use: For ornamental aquarium fish only (freshwater & saltwater)

Directions for Use

Add one capsule (250mg) per 10 gallons of aquarium water. Dissolve in a small container before adding to ensure proper distribution. Repeat treatment every 24 hours for 5–10 days depending on severity. Perform partial water changes before each re-dose. Remove carbon filters and UV sterilizers during treatment.

Stop treatment if no improvement is noted after 5 days. Do not exceed 10 days of continuous use.

Storage Instructions

Store tightly sealed at room temperature (59°F–86°F / 15°C–30°C). Keep dry and away from light and humidity.

Important Disclaimer

For aquarium use only. Not for human use, livestock, or fish intended for food. Keep out of reach of children and pets.

Frequently Asked Questions

Is Aqua Flex the same as Fish Flex?

Yes. Aqua Flex is equivalent to Fish Flex, containing the same active ingredient Cephalexin.

Why choose the 250mg 30-count bottle?

This size is ideal for small tanks, mild infections, or when precise dosing is needed without excess medication.

Can Aqua Flex be used in saltwater aquariums?

Yes. Aqua Flex is safe for both freshwater and saltwater ornamental fish.

Does Aqua Flex affect beneficial bacteria?

Yes, antibiotics may affect your biological filter. Always monitor water parameters during treatment.

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