Total Water Hardness Test Kit state_New Mexico 50 inches for the rail

50 inches for the rail tubing and the distance between the front (pool) rail and back (anchor) rail is 48 inches

PacFab 350002

This ceramic pool depth marker is printed with 9 FT and has a skid resistant surface

By encouraging teamwork

Total Water Hardness Test Kit state_New Mexico 50 inches for the railThis is a Pentair Rainbow #1200 Specialty Test Kit for Total Water Hardness using a drop test and visual method. Testing parameter indicates total hardness in PPM or grains. The reagents in this kit are 1 2 and 1 ounce. This kit comes in a compact box with instructions. Calcium hardness is a necessary component in pool water because it helps prevent leaching out of certain substances in pool equipment. It works in conjunction with alkalinity and pH.