Fish Pen is manufactured by Thomas Labs. The ingredient is Penicillin and comes in 250 mg strength as Fish Pen and 500 mg strength as Fish Pen Forte.
Manufacturer Description & Dosage Information
What is Amoxicillin used for in Humans and pets?
Fish Pen is effective treatment for pop-eyes, infected eyes, fin or tail rot, gill disease, columnaris disease, and skin ulcerations and other bacterial diseases in ornamental fish.
Dosage & Administration:
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.
Keep out of reach of children. For aquarium use only. Intended for ornamental fish and/or ornamental organisms, and not intended for use with fish for human consumption. For those allergic to penicillin, do not put hand in tank for three days after treatment.
Ingredients:250 mg Penicillin
Storage: Store at controlled room temperature of 59°-86°F.
30 count, 60 count, 100 count
What is Penicillin used for in Pets?
What is Penicillin used for in Humans?