Disinfects. Dissolves soap scum & hard water film. Disinfect as it cleans! Contains no bleach. Great on surfaces such as fiberglass, glazed porcelain, stainless steel, chrome, synthetic marble, Formica, plastic and vinyl. Contains no phosphate. Will not harm septic tanks. This product kills a broad spectrum of household germs, including Salmonella Choleraesuis, Staphylococcus aureus, Pseudomonas aeruginosa, and Escherichia coli.