Thomas Labs Fish Mox 250mg

Thomas Labs Fish Mox 250mg
Thomas Labs Fish Mox 250mg
Thomas Labs Fish Mox 250mg
Thomas Labs Fish Mox 250mg
Thomas Labs Fish Mox 250mg

Thomas Labs Fish Mox 250mg

Thomas Labs
$18.99 $17.00

Thomas Labs Fish Mox® Amoxicillin for Fish - 250mg

Fish Mox® is the most trusted fish amoxicillin that fights bacterial diseases in marine and freshwater fish.


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

  • Broad-spectrum antibiotic for use in fish

  • Effective against a number of pathogenic bacteria

  • For use in marine and freshwater ornamental fish diseases

Thomas Labs Fish Mox fish amoxicillin is a proven leader in the world of fish antibiotics. Use this fish medication to treat a number of diseases and conditions in your marine or freshwater friends, including infected eyes, pop-eye, fin or tail rot, skin ulcerations, columnaris disease, gill disease, and more! Fish Mox Forte from Thomas Labs is a broad-spectrum antibiotic that controls gram-positive and some gram-negative bacteria in fish. It works by halting the multiplication of bacteria associated with both freshwater and saltwater ornamental fish diseases. This fish antibiotic is useful for controlling some common bacterial diseases in fish including Dropsy, Fin Rot, Red Pest, and diseases caused by bacteria such as Aeromonas, Pseudomonas, and Mycobacterial (Gill diseases and Chondrococcus). With Fish Mox, there’s no wrangling or sequestering your fish for treatment. Shop My Hooves and Paws today for these and other fish antibiotics and fish supplies to keep your scaled friends healthy and happy!


  • 250mg capsules of amoxicillin for fish

  • For marine and freshwater fish


Add the contents of one Fish Mox capsule (250mg) 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 harmless yellow color, change 20 percent of water and use charcoal filter until clear.

*All Thomas Labs products qualify for free standard United States shipping — regardless of the quantity, no matter how much you buy. It will appear in your cart after you enter your information at checkout.

Need assistance with your order? Call us at 760-247-5523 or email us at We’re happy to help you!

Fish Mox 250mg 100 Count Expiration Date:2/2022 or Later

Fish Mox 250mg 30 Count Expiration Date:9/2020 or Later

Fish Mox 250mg 12 Count Expiration Date:4/2021 or Later

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