Natural Chemistry Metalfree / Stain & Scale Control

Metalfree / Stain & Scale Control are highly effective metal chelating agents that protect against staining and discoloration from trace metals such as iron and copper. Does not raise phosphate levels in pool water like many other stain and scale products. This product can be used with most sanitizing systems and is compatible with all pool surfaces. Do not use with biguanides.

Initial treatment: 1 bottle (33.9 fl. oz.) per 20,000 gallons

Weekly Maintenance Dose: 4 fl. oz. per 10,000 gallons

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