Metal & Scale Inhibitor (MSI) is a non-phosphorus containing formulation for control of metal staining and carbonate scale in recreation water systems. When applied as directed, MSI is compatible with materials of pool & spa construction and other treatment chemicals. MSI's initial dosing will deplete chlorine levels in water. MSI helps to extend the life of salt cells.
MSI's formulation was awarded the Environmental Protection Agency's Presidential Green Chemistry Award for its implementation of environment-friendly chemical technology.