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Old 12-10-2019, 03:09 PM   #11 (permalink)
mistergreen
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Default Re: GH and KH issues

You definitely have very hard water with TDS 700-1000.
I looked up Montana and looks like you're sitting on top of shale, could be CaCO3.
Most aquatic plants usually do a lot better in softer water. Try anubias, java fern, and Vallisneria in hard water.

GH only measure Ca & Mg... There are lots of minerals that a GH kit can't measure.
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