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Old 11-22-2005, 12:25 PM   #1 (permalink)
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Default ro - increasing hardnes !!!
halo all.
I want to add 20 ppm of ca using caco3 and 5 ppm of mg using mgso4x7h2o.

Witch hardness i can reach?

I need about 4 gh and 5 kh.
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Old 11-22-2005, 02:34 PM   #2 (permalink)
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That will add about 3.9 degrees of GH to your water...
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Old 11-22-2005, 10:55 PM   #3 (permalink)
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Thx. I calculate 4 gh. so this will be ok .
And I add too 15 ppm K using k2co3.
Witch kh can I reach ?
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