Virkon is a very effective disinfectant with the widest proven spectrum of any disinfectant available: it kills all viruses (including HIV/AIDS, hepatitis B, polio), bacteria (including Staphylococci, Streptococci, Proteus, Pseudomonas, Mycobacteria (including TB) and all the major food poisoning bacteria) and fungi (Candida and the common skin dermatophytes). Virkon works by physically destructing pathogens using a synergised oxidising system based on potassium monopersulphate. Key Features:. Unrivalled spectrum of activity - formulated to meet all pathogenic challenges. Proven effective against all major pathogens known to man. Proven against a wide range of antibiotic-resistant strains. Built-in colour indicator of strength. Resistant to inactivation by organic material. Contains a surfactant - combines cleaning and disinfection in one operation. Avoids the problems of pre-cleaning which spreads infection on cleaning materials and utensils. Non-irritant to skin. Non-irritant to eyes. Virkon solution is activated by adding the powder to water. Working Strength: 1% w/v.