0 M - Plastic Overlay Depth Marker - 6 x 6 Inch with 4 Inch Lettering filter-length_26 7/16 inches Alkalinity should be 100-120 ppm

Alkalinity should be 100-120 ppm

This swimming pool pressure gauge is designed to read from 0 to 30 PSI

It also allows you to remove skimmer lids and baskets without bending over

quiet operation

the rear support arms are fully adjustable horizontally (up to 36 inches)

0 M - Plastic Overlay Depth Marker - 6 x 6 Inch with 4 Inch Lettering filter-length_26 7/16 inches Alkalinity should be 100-120 ppmThis plastic depth marker tile states 0 M. It has an overall size of 6 x 6 inches which will fit over standard ceramic pool depth marker tiles. Our tempered Plastic Overlays are made for the waterline depth in your pool. They have beveled edges, a smooth surface, and a thin profile. They can be installed over most surfaces including tile, fiberglass, paint, vinyl liner, etc. Overlays are used to go over existing tile depth marking that has faded or to