Hanna Reagents Phosphate Checker, HI-713-25, LR

The HI-735-25 are high-quality reagents that are pre-measured, allowing for users to achieve fast and accurate measurements with their Total Hardness LR Checker® HC.

Four steps. One click. Instant Readout

1. ‘Zero’ the Checker®HC with your vial inside

2. Place a 10ml water sample into the vial and add your reagent

3. Place your vial into your Checker®HC

4. Press the button and read the results