poolife MPT Extra (11 lb)

Poolife MPT Extra 3" Tablets ( 11 lb ) All-in-one proprietary technology sanitizes, prevents algae, staining and scaling while clarifying and softening pool water Also protects against chlorine loss caused by direct sunlight, so you can swim in a beautiful pool all summer long Can be used in floaters, feeders or skimmers One tablet per 10,000 gallons of water as needed to maintain chlorine residual of 1-3 ppm.