Hanna Checkers
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
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Hanna Instruments
Hanna Instruments HI-779-25 pH Reagents for HI-779
Sale price£27.30
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