Based on the Original Virkon S which is the most proven disinfectant in the world. Virkon Aquatic has been shown in published independent research to have the world's broadest range of efficicacy against major fish pathogens including ISA (Infectious Salmon Anaemia) virus and IPN (Infectious Pancreatic Necrosis) virus, even at low temperatures and high organic loads.
Virkon Aquatic can be used as a sanitiser for your pond at a rate of one dissolved tablet per 5000 litres (1000 gallons) per week (5g per 5000L).