Virkon Aquatic 10kg PowderVirkon Aquatic Disinfectant Powder 10kg DEFRA Approved Aquaculture Disinfectant Professional Aquaculture Disinfectant for Fish Farms, Hatcheries & Aquatic Facilities Protect your fish stocks and aquatic systems with Virkon Aquatic Disinfectant Powder 10kg, the industry leading biosecurity solution trusted by fish farms, hatcheries, aquatic research facilities, public aquariums, and ornamental fish keepers worldwide. Specially formulated for use in