STAIN CONTROL Prevent and remove discoloration and stubborn stains with Pool Logic™’s line of stain controllers. No Sweat – True to its name, No Sweat removes metallic stains such as copper, iron and manganese from pool surfaces with very little effort on your part. Simply circulate the granular formula through the entire pool or apply it directly to a problem area. |  |
 | Stain Guard – Keep metals and minerals from creating discolored water and stains or scale with Stain Guard. Add the easy to pour liquid formula during pool opening and closing, as well as once a week throughout the pool season to prevent staining and scaling. |
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