HagenKB

KH Hardness Calculator / Converter

There are so many different scales of Hardness, is there a way to convert from one to another?

There are so many different scales of Hardness, is there a way to convert from one to another?

On the Hagen website, there is a Utility menu selection on the left hand side of the Aquatic section If you go into this area, there is a Utility that will convert a test kit result for Hardness into:

mg/L : Milligrams per Liter
ppm : Parts per Million
dH (gH) : German Degree of Hardness
Clark H : United Kingdom Degree of Hardness
fH : French Degree of Hardness
Hardness : American Degree of Hardness
mEq/L : milliEquivalent per Liter (scientific unit)

The link to get there is:
http://ca-en.hagen.com/usefultools/utilities/calculator

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