1 IN Ceramic Skid Resistant Tile Depth Marker 6 Inch x 6 Inch with 4 Inch Lettering pool-size_75000-99999 it has an automatic timer

it has an automatic timer shut-off and air sensor

A pool's pH levels should be maintained between 7

This Stenner chemical pump #45MJL5A1STAA provides reliable chemical feeding for your swimming pool

Color: Gray UV Resistant

your bromine level should be 3-5 parts per million (ppm)

1 IN Ceramic Skid Resistant Tile Depth Marker 6 Inch x 6 Inch with 4 Inch Lettering pool-size_75000-99999 it has an automatic timerThis ceramic pool depth marker is printed with 1 IN and has a skid resistant surface. It's overall size is 6 Inch x 6 Inch and has a letter height of 4 Inches This ceramic pool tile is printed with ceramic glaze inks, then kiln fired to ensure the finest, most durable depth and safety marker line available. The skid resistant tile is surfaced in the factory, not sanded or coated, for a more reliable slip resistant surface! Skid resistant tiles are for