7 FT Ceramic Smooth Tile Depth Marker 6 Inch x 6 Inch with 5 Inch Lettering state_District of Columbia This is a 2 ounce

This is a 2 ounce bottle of pH Indicator reagent

This is a Taylor Thiosulfate replacement reagent for various Taylor pool water testing kits

This item is fully compatible and interchangeable with Sylvan part # 4920010

This ring buoy is perfect for swimming pools

what you are really measuring is how acidic or how alkaline the pool water is

7 FT Ceramic Smooth Tile Depth Marker 6 Inch x 6 Inch with 5 Inch Lettering state_District of Columbia This is a 2 ounceThis ceramic pool depth marker is printed with 7 FT and has a smooth surface. It's overall size is 6 Inch x 6 Inch and has a letter height of 5 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,