Our calcium hardness checker 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.

• Range: 0.00 to 2.70 ppm
• Get simple results with easy one-button operation.
• Don’t waste time matching to a color chart anymore, get direct results quickly.

*Products classified as Dangerous Goods can only be shipped via ground.