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Fish pen penicillin 250mg 50 Tablets Made In USA

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  • Regular price $49.95

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Fish pen Penicillin 250 mg 50 Tablets

Fish pen Penicillin 250 mg  is an antibiotic that exerts a bactericidal action on gram-positive and some gram-negative bacteria in fish. Used in the control of some common bacterial diseases in fish, including diseases caused by bacteria such as fin and tail rot and Flexibacter infections.

This product is USP grade and manufactured in the USA

Description: Fish Penicillin exerts a bactericidal action on gram positive and some gram negative bacteria. Useful for the control of some common bacterial diseases of fish including fin and tail rot and flexibacter infections.

Available Sizes/Strengths : 

Active Ingredients: Penicillin V potassium 250mg


Add one tablet (250 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 duration of treatment depends on type and severity of the infection, it is recommended that extended baths in the medication continue for a minimum of 5 days & for not more than 10 days. Discontinue treatment with this medication if no improvement is noted within 5 days.