The Stain-Master is an easy solution for stain and algae problems. In just minutes you can remove stains without the expense of draining your pool. The Stain-Master applies acid only where you want it and removes stains without removing water from the pool.
To use, attach the Stain-Master to a pool pole. Thread the supplied hose attachment and cap onto a gallon container of muriatic acid. Apply the solution automatically as you hold the Stain-Master over the stain. Within seconds the stain is gone! Quick, easy, and economical. Pole sold separately.