Formulated with fresh scented fragrance, compatible with ALL forms of sanitization, will not clog filters; does not contain oils, biodegradable ingredients. 1 oz. near foaming areas to disperse foam with pump running. Foaming– aeration from therapy jets can increase the foaming in a spa. However, if contaminants are allowed to concentrate, foaming similar to dish soap or laundry detergent will occur. These contaminants are very undesirable. Oxidation treatments, water clarifiers, water replacement, or cleaning of the basin and filter may be justified.