SuperCheck 6-Way Spa Test Strips for Hot Tub, 7 Parameters, 50 C…
Rating: 4,633 reviews from 1 sources
Reviews
Selected Review of 4633 Reviews
It will tell you if you have salt. It will give you an approximation of your salt PPM but the scale is so large its useless. 2 common salt water systems … Read full review
www.amazon.com