Testonic® Drinking Water Analysis Kit measures pH, free chlorine, total hardness and iron quickly, easily and without laboratory instruments....
Measure total water hardness in °f. Add drops until green color appears. Testonic tells you whether your water is soft or hard in under 1 minute. ...
Testonic® RO System Control Kit measures total hardness, total chlorine, iron, silica and pH for practical on-site monitoring by RO service teams....