1.8 Ceramic Smooth Tile Depth Marker 6 Inch x 6 Inch with 4 Inch Lettering horsepower_2 1/2 HP The standard pH control level

The standard pH control level is 7

Phenol Red

This white ring buoy is 19 inches in diameter

(If the stand is a Durafirm stand

And this will prolong the life of your filtration system

1.8 Ceramic Smooth Tile Depth Marker 6 Inch x 6 Inch with 4 Inch Lettering horsepower_2 1/2 HP The standard pH control levelThis ceramic pool depth marker is printed with 1. 8 and has a smooth 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 smooth surface tiles are for waterline applications. Ceramic depth markers are essential for commercial pools for improved safety, legal compliance,