05-10-2012, 06:45 PM
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Originally Posted by Nemo the Clownfish
Thanks a lot Byron and Mikhaila. If you want to look at an actual report, including all of the dissolved solids, please go to MWRA - All Water Quality Tests
. Thanks for all your help.
They have hardness average of 15-20 mg/l (ppm) which is very soft, about 1 dGH. My tap water is half that, at about 0.6 dGH. And adding Akalinity to raise pH makes sense. Vancouver does this with some sort of ash.
You will need to raise the GH for plants, it should be no less than 4 dGH in order to provide sufficient calcium, magnesium and potassium. I use Seachem's Equilibrium for this. The aragonite does not add sufficient GH without sending the pH through the roof.