Protects Against Metal
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
Note: This product can be used with most
sanitizing systems and is compatible with all pool surfaces. Do not use with biguanides.