Surrounds and coagulates microscopic particles as small as 2 microns allowing filter media to better remove them from water. Nonmetallic, non-staining and non-foaming unique clarifying formula, not affected by shock treatments or high chlorine levels. Compatible with all sanitizing systems, pool surfaces, and filter types, pH neutral. Removes both organic and inorganic matter through filtration. Prohibits algae occurrence by physically removing spores. Reduces sanitizer consumption. Helps maintain sparkling blue water. Initial treatment 14 oz. per 10,000 gallons, weekly 4 oz. per 10,000 gallons. Swimming may resume 15 minutes after applying into the pool, if main drain is visible.