4 FT Ceramic Smooth Tile Depth Marker 6 Inch x 6 Inch with 4 Inch Lettering state_Wyoming This item is used to

This item is used to test for hydrogen peroxide in Taylor Kits

Testing your swimming pool pH is one of the most important water chemical tests for water balance

Enclosed design of the double wall tanks prevent rain

Please note the M is not 4 inches

To raise the pH

4 FT Ceramic Smooth Tile Depth Marker 6 Inch x 6 Inch with 4 Inch Lettering state_Wyoming This item is used toThis ceramic pool depth marker is printed with 4 FT 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. Please note the FT is not 4 inches, but is as pictured. Ceramic depth markers are essential for