Sensafe (481108) Total Hardness; 30 Test Strips Sensafe (480022) Its Free Chlorine High Range Kit; 50 Bottle Where the ELF-5M Fits

Where the ELF-5M Fits

sediment filters

💧 Single-Use Convenience

the resin is exhausted and it's time to swap cartridges—waiting too long means you're no longer getting the purity you're paying for

Sensafe (481108) Total Hardness; 30 Test Strips Sensafe (480022) Its Free Chlorine High Range Kit; 50 Bottle Where the ELF-5M FitsSensafe 481108 Total Hardness Test Strips Quick read water hardness testing for residential, educational, and pool applications 30 Test Strips 30 Second Results 0 1000 ppm Range No Equipment Required The Sensafe 481108 Total Hardness Test Strips measure calcium and magnesium content in water from 0 to 1000 ppm with a simple one dip procedure. Ideal for testing drinking water, pool and spa water, or teaching chemistry principles without expensive lab