Replacement reagents for the Hanna Marine Alkalinity Checker HC, HI755, which shows alkalinity in ppm of CaCO3. Each pack has enough for 25 tests, so you can keep testing alkalinity without replacing the Checker.
The reagents use a colorimetric method. Added to a water sample, they turn it from yellow through green to blue depending on the alkalinity, and the Checker reads the colour and shows the result. They are made for samples between 0 and 300 ppm CaCO3.
The reagents are marked with their lot number and expiry date. If your Checker shows dKH rather than ppm, it is the HI772: use the HI772-26 reagents instead.
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Airport to airport is available please email or call for a quote as its highly variable.
Out of Stock Items or Pre-Order Items
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