The Natural Chemistry Algae Max is an extremely efficient, and a rapid working algae eliminator. All types of algae do not stand a chance against this product, some of them for an example are green, mustard, black, golden and red algae, as well as diatoms. Algae Max was designed to be compatible with most swimming pool sanitizers, and is a non-staining product. When used correctly, this product is profoundly effective.