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Fish Flex 500mg 30 Capsules

$37.99 $47.99

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Fish Flex (Cephalexin) 500mg – 30 Capsules

Broad-Spectrum Antibiotic for Aquatic Bacterial Infections

Fish Flex Cephalexin 500mg is a powerful and trusted fish antibiotic used by aquarium owners to treat a wide range of bacterial infections. Made with pharmaceutical-grade Cephalexin Monohydrate, this broad-spectrum antibiotic helps restore health in ornamental fish suffering from conditions such as fin rot, ulcers, and gill infections. Its fast-dissolving capsules offer safe, effective treatment for both freshwater and saltwater species.

Explore more effective treatments in our Fish Antibiotics Collection.

Why Choose Fish Flex Cephalexin?

  • Broad-Spectrum Antibacterial Defense: Targets both gram-positive and gram-negative bacteria, preventing further spread within the tank.
  • Fast Recovery & Healing: Helps fish recover quickly from bacterial lesions, tail rot, and skin infections.
  • Safe Formulation: Designed to protect ornamental fish while preserving tank health and beneficial bacteria.
  • Versatile Administration: Use in water or mix into food for internal infections.

Learn more about our commitment to aquatic wellness on the About Us page.

How to Use Fish Flex Capsules

  • Water Treatment: Dissolve the appropriate number of capsules directly into tank water.
  • Food Treatment: Mix capsule contents into moist fish food for internal targeting.
  • Treatment Duration: Administer daily for 5–7 days or as advised by an aquatic veterinarian.

Ingredients

Active Ingredient: Cephalexin Monohydrate 500mg – a time-tested broad-spectrum antibiotic.

Other Ingredients: Gelatin capsules and safe pharmaceutical excipients to ensure stability and bioavailability.

Warnings & Precautions

  • Only for use in ornamental fish aquariums.
  • Not suitable for use in fish intended for human consumption.
  • Keep out of reach of children and pets.
  • Store in a cool, dry place away from heat and sunlight (59°F–86°F / 15°C–30°C).
  • Overuse may lead to antibiotic resistance or disrupt tank balance—use exactly as directed.

For fast delivery options, view our Shipping Policy.

For returns or issues, see our Refund Policy.

FAQs – Fish Flex Cephalexin 500mg 30 Capsules

  • What makes Fish Flex unique?
    Fish Flex uses pharmaceutical-grade Cephalexin, delivering reliable bacterial control while preserving the natural aquatic environment.
  • Does it treat internal infections?
    Yes. For internal issues, administer the capsule contents through medicated food as guided by an aquatic specialist.
  • Is Fish Flex safe for sensitive fish?
    When dosed properly, Fish Flex is safe for most ornamental fish species, including sensitive breeds. Always monitor water quality during use.
  • Can it be combined with other medications?
    Only under veterinary supervision. Mixing antibiotics without guidance may cause adverse interactions or reduce effectiveness.
  • Does it work against fungal infections?
    No. Fish Flex is an antibiotic. For fungal infections, use antifungal treatments like Reef Flux (Fluconazole).
  • How do I prepare the tank for treatment?
    Remove any activated carbon or chemical filtration. Perform a partial water change before dosing.
  • Will it harm shrimp or snails?
    It may affect invertebrates. Use a separate hospital tank if your main tank contains shrimp, snails, or similar species.
  • What are signs of improvement?
    Reduced fin redness, healing of ulcers, and more active, responsive fish typically indicate successful treatment.
  • What if symptoms persist?
    Discontinue use and contact a veterinarian if no improvement is seen after 5 days.
  • How should I dispose of unused capsules?
    Follow local pharmaceutical disposal regulations. Never flush or dispose directly into the tank or drains.

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  • Fish Pen Penicillin 500mg – 60 Tablets

Looking to buy fish antibiotics online without a prescription? Trust DogsAntibiotics.com for reliable, fast-shipping solutions that support your aquarium’s health.

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