What is water Hardness? How do I find out how hard my water is?

Q: What is water hardness?



A: Hardness comes from naturally occurring calcium and magnesium mineral salts which are dissolved from the rocks through which rain water flows.

Water is harder in chalk or limestone areas than those with insoluble rock such as granite.


Here is a water hardness table, this can also be found in your user manual


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What is water Hardness? How do I find out how hard my water is?



Water hardness test kits can be purchased from all good hardware or DIY stores