The HI731315 are spare glass cuvettes and plastic caps used with the Hanna Checker colorimeters. Each cuvette has a 10 ml level mark to measure the appropriate volume. Overtime vials...
The biggest complaint about the Hanna Calcium Checker is that the test results are not accurate. If the fresh water source is not pure, it can cause irregular readings and using Hanna's Deionized Water will...
