... sanitizes and deodorizes, fungicide and bactericide, WELSON SAN Hospital 84 disinfectant PRODUCT DESCRIPTIONWelson San is formulated to clean, sanitize, bleach and ... in food service areas. The alkaline detergent in Welson San is fortified by the chemical action of the chlorine releasing ... detergent with clean water. Approximately 50 gms of Welson San per 8 litres of water yields 200 ppm available ...