Hardness Yes/No Tablets (10 Tablets)

Hardness Yes/No Tablets (10 Tablets)

This test is ideal and very easy for determining the hardness (CaCO3) of water, ie. water produced by industrial and domestic water softeners.

Test Procedure:
1. Collect water sample of 20 or 50ml in the container provided.
2. Add the correct number of Hardness YES/NO tablets to the water sample.
The sample size

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