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Fish Pen 250mg, 30 Tablets is a broad-spectrum antibiotic with penicillin that effectively treats bacterial infections like: fin and tail rot, pop-eyes, columnaris disease, gill disease, and other diseases common to ornamental fish.
I have three tanks and it seems any time I introduce a new fish to one of them, something happens and one of my existing fish get sick. Whatever the reason behind it, I've used Fish Pen twice and both times it cleared up the problem. The last time, I had three fish sick with tail rot and Fish Pen lets you treat your whole tank at once.
This information is for general reference only and should not be used for the diagnosis or treatment of any condition of your pet. Because is intended as a general reference, this information may not include all possible uses, precautions, directions, reactions (including allergic), drug interactions, or withdrawal times. Always consult your local veterinarian and have your pet examined for any advice concerning the diagnosis and treatment of your pet, including which products and doses are most appropriate. Any trademarks are the property of their respective owners. VetDepot is not a pharmacy. All prescription products are dispensed by our Pharmacy Partner.