Cleans and Purifies water Tanks Removes BioFilms Kills Micro-organisms Elimiates Tastes and Odours   Once inside a water system, bacteria obtain nutrients to grow on inner surfaces secreting a protective matrix bio-film which cannot be penetrated by most biocides. PuriSol will lift the bio-film, kill the bacteria underneath and eradicate tastes and odours PuriSol should be used to purify a water system at the beginning and end of each season and whenever there is a build up of unpleasant tastes and odours When adding fresh water to the tank use only Aqua Sol to treat the water Triple Action Cleans water systems, tank, pipes, pump, taps Destroys bacteria, viruses, spores, algae, fungi, cysts, and bacteria biofilm Eliminates Tastes and Odours from iron, manganese and other metallic's phenols, trichlorophenols, hydrogen sulphides and sulphides 300ml Bottle Treats up to 250 litre Tank