Rx Clear Metal Out Stain Prevention Liquid for Swimming Pools & Spas, 1 Qt, 6 Pack

Rx Clear Metal Out Stain Prevention Liquid for Swimming Pools & Spas, 1 Qt, 6 Pack Removes metals and complex minerals from your swimming pool Prevents minerals such as iron, copper, and magnesium from staining or discoloring pool surfaces Concentrated, ready to use, and will not interfere with chlorine, algaecides, or stabilizers Prevents scale buildup along the waterline of your swimming pool caused by calcium carbonate Helps prevent mineral precipitation caused by other chemical additions Not recommended for Salt Water pools