PeriDox Fish Parasite TreatmentPeriDox Parasite Control for Fish Health Primary Use: PeriDox effectively prevents gill necrosis and mucous congestion on the skin and gills of fish by targeting parasites. Once PeriDox contacts the parasites or larvae, it initiates an oxidation process that destroys their cell structure, eliminating them quickly and safely without harming fish. Efficiency: When used at the recommended dosage, larvae that typically survive for 33 to 48 hours are