Metal Guard | 160z Bottle

Clear Spa Metal Guard helps protect spas from the damaging effects of scale buildup and staining due to excessive calcium, iron, copper and other minerals. It works without the use of phosphates or harsh acids. Initial treatment add 16 oz to spa per 500 gallons, then add 1 oz per 100 gallons as new water is added. Re add product every time you drain and refill your tub. 

**Please refer to the precautionary statements and hazards on the back of the bottle**