Sold by the 5 Gal. Pail
Purogene is an extremely effective, broad-spectrum microbiocide for uses in airline water storage systems, potable water tanks, RV water tank systems and off-shore water storage systems. When ordering this amount of Purogene, it is recommended to order two 4lb. tubs of Citric Acid Activator (Part# 10200). Yields 128 oz. of Activator.