Hardness (Total & Calcium) Test Kit


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Hardness TKOur Total & Calcium Hardness kit includes all the equipment & reagents required to measure Total Hardness within a range of 0-1200ppm and Calcium Hardness within a range of 0-600+ppm. The kit includes a sample pot and syringe to perform the tests; the liquid reagents come in clear bottles so it is easy to see when replacements need to be ordered.

Replacement reagents can be bought separately or in Reagent Packs at a discount.

Places to monitor hardness: It is important to measure the hardness of water in order to prevent the build up of scale deposits in environments such as boiler water. If you need to carryout maintenance in boiling water systems take a look at our complete Boiler Water Test Kit in our Engineers System Specific Test Kits section.

Product Data

Reagent Product Code Product Description
CH1P WTPTKCH1P Calcium Hardness Indicator
CH2 WTPTKCH2 Calcium Hardness Buffer
TH2 WTPTKTH2 Total Hardness Buffer
TH3 WTPTKTH3 LR Hardness Titrant
TH4 WTPTKTH4 HR Hardness Titrant
TH5 WTPTKTH5 Total Hardness Indicator
Reagent Pack WTPTK104RP All the replacement reagents for Hardness




Our Test Kits can be ordered individually or in bulk. They can be delivered alongside your WTP Chemicals’ order saving you additional delivery charges. Next working day delivery only £8.49 (up to 20kg); mainland UK only.


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