WaterWorks Chloride Check Strips Bottle of 50 Tests - INCL. 12 PK WaterWorks Chloride Check is the most advanced chloride test strip available today. Designed to verify EPA guidelines for chloride, these Chloride Check test strips are easy and safe-to-use without sacrificing performance and reliability. Measuring levels from 0-500 ppm (mg/L), Chloride Check promises to replace traditional measuring techniques. It detects Method 0, 50, 100, 250, 500 ppm (mg/L)
