Metalfree is a highly effective metal chelating agent that protects against staining and discoloration from trace metals such as iron and copper. Metalfree should be used as part of a well designed pool maintenance program. Metalfree does not raise phosphate levels in pool water like many other stain and scale products.
Note: This product can be used with most sanitizing systems and is compatible with all pool surfaces. Do not use with biguanides.
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