Water Hardness?

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Water Hardness?

Post by Admin on Fri Jul 15, 2011 2:30 pm

Hi Guys... Very Happy

I had hoped to have completed another Article by now discussing Alkalinity.

Unfortunately due to `external`unrelenting factors recently which I hope since to have resolved ? I can now continue researching this very complex subject and get something down in writing Rolling Eyes

Meanwhile some interesting snippets have been gleaned which I`d like to share with you guys if I may Smile

Pond test kits measure both GH and KH as CaC03 aka Calcium Carbonate....

Total Hardness values comprise Ca2+along with Mg2+ ions as Calcium Carbonate (CaCO3) equivalents were the species being tested CC in deionized water.

For example 30 mg/l Ca2+ is equivalent to 75 mg/l or ppm of Calcium hardness measured as CaC03.

A Ca2+ value of for instance 6.3 = Ca hardness as CaCO3 of 15.8 = Total hardness of 20.8 ppm once again as CaCO3 with on average Mg comprising 1/3 total hardness measurements overall.


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