Determination of the water hardness

>> YOUR LINK HERE: ___ http://youtube.com/watch?v=jUBM9yxtqAE

Instructions for measuring the water hardness with a special temporary hardness test kit

Brita, Britta, Mavea, Mavea Professional, Purity, Purity C, Water hardness, temporary hardness, total hardness, carbonate hardness scale, Brita Test kit
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