The Micro Check Test Strips are an accurate, inexpensive and safe alternative for reagent chlorine testing. Quick, accurate and easy to use results are achieved in under 1 minute.  Free Chlorine with sensitivity as low as 0.05ppm (mg/L). Micro Check free, detection levels ppm (0, 0.1,…

Detect free or total chlorine concentrations as low as 0.05ppm Test strips for field testing and quality-control procedures; provide a safe and economical alternative to reagent chlorine testing. Includes: 50 test strips are supplied in bottle labeled with instructions,…