For Use With Safe Swim Digital Photometer ONLY
Experience a safe and enjoyable swimming environment with the Safe Swim Meter Reagent Calcium Hardness! Specifically designed for use with the Safe Swim Digital Photometer, this product ensures accurate testing of Calcium Hardness levels in your pool or hot tub.
Each bottle contains 50 reagent strips. Monitor Calcium Hardness levels from 20-700 ppm, effectively evaluating water balance.
Made in USA