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Old 12-11-2019, 06:50 AM   #12 (permalink)
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Join Date: Jan 2011
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Default Re: GH and KH issues

Originally Posted by mistergreen View Post
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.
Thank you. Other people have told me I have soft water so I was very confused what fish I should be looking for. So I should stay away from the tetras that don't do well in hard water, correct? Livebearers would do well, etc.
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