TH - HARDNESS

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TH - HARDNESS

Hardness means the concentration of Calcium and Magnesium in water. Unity : French degree.
Control softeners and cooling waters.
1 French degree = 10 mg/ of CaCO3
Hardness less than 5°F = very soft water
From 5 to 12°F soft water
From 12 to 25°F moderately hard water
From 25 to37°F hard water
Up to 37°F very hard water.

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Orchidis Laboratory, the specialist of water analysis

TH - HARDNESS

TH - HARDNESS