Hand-moldable epoxy putty in a convenient “one stick” format hardens above or below water to an “off-white” color. Aggressive adhesiveness and fast 5-minute cure time make Leak master Quick Set the logical choice for a multitude of non-cosmetic repairs. Features Repair cracks in skimmers, main drains and fittings Fill cracks in plaster, gunite, fiberglass, or acrylic Pack around light cable to seal leaking light conduit (permanent)Create a cast around pipe to hold Butyl Tape in place for plumbing leaks