Calcium Hardness Checker

Achieve accurate water testing results with our simple handheld colorimeter. Our calcium hardness colorimeter offers you a middle ground between advanced instrumentation and your typical chemical test kit. Standard test kits have limited accuracy since they rely upon the human eye to match colors. Our handheld colorimeter eliminates the hassle of matching to a color chart by providing a direct calcium hardness result digitally.

• Our portable handheld colorimeter goes where you go.
• Get simple results with easy one-button operation.
• Don’t waste time matching to a color chart anymore, get direct results quickly.

Use Calibration Set HI-720-11 for HI-720 Calcium Hardness Colorimeter - Checker®HC

Use reagents HI-720-25 for HI-720 Calcium Hardness Handheld Colorimeter -Checker®HC x 25 tests