Designed specifically to sanitise hard non-porous surfaces of water holding tanks in yachts, RVs, trailers, campers etc.  Easy to use 2 parts system: step 1 - clean tank with detergent and rinse; step 2 - sanitise tank with the sanitiser.  Effective even in hard water, will not leave grit or soap scum.

Kills 99% of the harmful bacteria, including Staphilococcus, E-Coli, Listeria, and other micro-organisms.  Free of bleach and chlorine, leaves no smell or taste. This product is not a drinking water additive.