Internal bacterial infections are common but have always been hard to treat, needing antibiotics prescribed by your vet. Not any more! Say "hello" to healthy fish and "goodbye" to the expense and inconvenience of getting a vets prescription. Anti Internal Bacteria is a breakthrough non-prescription product. It halts the progress of bacterial problems in your aquarium and prevents them from spreading. Use for combating outbreaks of internal bacterial infections for example Aeromona and Pseudomonas sp. in your aquarium. Use our online Dosage Calculator for your exact dosing requirements.