Total Water Hardness Test Kit state_New Mexico the solid-state PPM sensor is

the solid-state PPM sensor is simple to install and highly reliable

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Total Water Hardness Test Kit state_New Mexico the solid-state PPM sensor isThis 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.