Sensafe (481108) Total Hardness; 30 Test Strips H2O International (SH-WH-5) Deluxe Shower Filters - 5-SPRAY W/KDF; WHITE swivel connection Housing Construction ABS

swivel connection Housing Construction ABS plastic

NSF Approved Materials FDA Grade Elastomers 300 Series Stainless Internals

whole-house sediment stages

Heavy Use or Poor Water Quality

Sensafe (481108) Total Hardness; 30 Test Strips H2O International (SH-WH-5) Deluxe Shower Filters - 5-SPRAY W/KDF; WHITE swivel connection Housing Construction ABSSensafe 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