Fix Pen Penicillin – 500mg Antibacterial Fish Medication

Fix Pen is pharmaceutical grade penicillin for fish. At eFishMox, we have fish Pen antibiotics for sale in penicillin 500 mg dosage. Fix Pen can be purchased in 30 and 60 count bottles. Each bottle is sealed for safety and has instructions for fish use and the expiration date of the medicine.

Fix Pen is labeled for fish use only. We restock Fix Pen one to two times per week, so you're consistently getting bottles with the freshest expiration dates available. Orders placed before 2pm Central ship the same business day.