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Thomas Labs Fish Flex Forte 500mg 100 Count

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Thomas Labs
RRP: $43.99
$37.99 (You save $6.00)

 Product Description

Cephalexin for Fish - One-Hundred 500mg Tablets



  • Exerts a bactericidal action on gram-positive and some gram-negative bacteria

  • Broad-spectrum antibiotic for use in fish

  • Pharmaceutical-grade, but no prescription required for purchase

  • Effective against a number of pathogenic bacterial diseases

  • For use in marine and freshwater ornamental fish diseases

Fish-Flex is a proven leader in the world of antibiotics for your fish. Use these antibiotics to treat a number of bacterial diseases and conditions in your marine or freshwater fishy friends, whether the live in a marine or freshwater environment! Simply add one of these capsules per every 10 gallons of water to be treated - no wrangling or sequestering your fish for treatment needed. We acquire this medication through a pharmacist every week to ensure freshness, although you do not need a veterinarian's prescription to purchase.


  • 500mg capsules of cephalexin for fish

  • Marine and freshwater

  • 100 capsule bottle

  • Ingredients: 500mg cephalexin

Dosage & Administration

  • Add the contents of one fish flex capsule (500 mg) into aquarium for each 10 gallons of water to be treated

  • Repeat in 24 hours

  • It is suggested that a partial water change be made between treatments

  • While treatment duration depends on type and severity of the infection, it is recommended that extended medication baths continue for a minimum of 5 days and not more than 10 days

  • Discontinue treatment with this medication if no improvement is noted within 5 days

  • To remove any discoloration, change 20% of water and use charcoal filter until clear

  • Expires 02/2020 or Later


All Fish Antibiotics qualify for free standard United States shipping period. Regardless of the quantity no matter how much you buy. It will appear after you enter your information at checkout in the cart.


Need Help?  Not appearing right? Call us at 760-247-5523 or email us at info@myhoovesandpaws.com and we will get it taken care of for you.

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