Testonic® Pool Water Analysis Kit measures free chlorine, total chlorine, pH and total alkalinity quickly and without an instrument....
Testonic® Drinking Water Analysis Kit measures pH, free chlorine, total hardness and iron quickly, easily and without laboratory instruments....
Detect free chlorine in drinking water in 3 minutes. Testonic Free Chlorine Kit gives fast results in the 0.1–5.0 ppm range with visual color comparison. ...