WE OFFER A FREE SHIPPING OPTION ON ALL ORDERS!

$ 39.99
$ 39.99

FIX PEN 500 (Penicillin) from Source Max Labs is an antibiotic used to eliminate bacterial infections in fish tanks and aquariums. This powerful antibiotic helps control gram-positive and some gram-negative bacteria present in fish, and can treat ... Read More

In Stock

FREE Shipping For All USA Orders!
or view details

$ 37.50 $ 57.99
$ 37.50 $ 57.99

Fish Pen Forte Fish Pen Penicillin 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 ta... Read More

In Stock

FREE Shipping For All USA Orders!
or view details

$ 71.99 $ 115.99
$ 71.99 $ 115.99

Fish Pen Penicillin 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 (500 mg) ... Read More

In Stock

FREE Shipping For All USA Orders!
or view details

$ 105.99 $ 172.99
$ 105.99 $ 172.99

Fish Pen Penicillin 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 (500 mg) ... Read More

In Stock

FREE Shipping For All USA Orders!
or view details

$ 24.50 $ 46.99
$ 24.50 $ 46.99

Fish Pen Forte Penicillin Fish Pen Penicillin 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:... Read More

In Stock

FREE Shipping For All USA Orders!
or view details

$ 19.50 $ 36.99
$ 19.50 $ 36.99

Fish Pen Penicillin Fish Pen Penicillin 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 o... Read More

In Stock

FREE Shipping For All USA Orders!
or view details

$ 9.50 $ 19.99
$ 9.50 $ 19.99

Fish Pen Penicillin Fish Pen Penicillin 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 o... Read More

In Stock

FREE Shipping For All USA Orders!
or view details

$ 21.99 $ 29.99
$ 21.99 $ 29.99

Penicillin from Source Max Labs is an antibiotic used to eliminate bacterial infections in fish tanks and aquariums. This powerful antibiotic helps control gram-positive and some gram-negative bacteria present in fish, and can treat illness such a... Read More

In Stock

FREE Shipping For All USA Orders!
or view details

$ 39.59 $ 43.98
$ 39.59 $ 43.98

FIX PEN 250 (Penicillin 250mg) from Source Max Labs is an antibiotic used to eliminate bacterial infections in fish tanks and aquariums. This powerful antibiotic helps control gram-positive and some gram-negative bacteria present in fish, and can... Read More

In Stock

FREE Shipping For All USA Orders!
or view details

Buy Fish Pen and Fix Pen (Penicillin)

Fish Pen and Fix Pen are pharmaceutical grade penicillin fish antibiotics. Available in penicillin 250 mg and penicillin 500 mg. Each bottle is sealed for safety and has instructions for fish use and the expiration date of the medicine. 

At eFishMox we get 1-2 new shipments of medicine in every week to guarantee that we have the latest expiration dates possible on our fish antibiotics, and as always, place your order before 2 and we'll ship it that day.

'