DUI1089 Features: * Clarifier * Enhances pool water clarity * Sprinkle this product on the surface of the water in various locations * Will not affect chlorine or pH levels in pool water and works great with either sand and cartridge filters * Add clarifier to pool at the rate of 1 oz. per 1000 gallons of water * Amount of suspended materials is observed, double the dosage to 2 oz, per 1000 gallons * Regular use of this product should eliminate the need for floccing and, when used as directed, will produce optimum water clarity * Made in the USA