At what level of GH does problems start?
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Old 04-03-2013, 02:20 AM   #1
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At what level of GH does problems start?

We talking about GH 15 or something like GH 20 - 30? When is it too much and nutrients stop being available to plants?
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Old 04-22-2013, 01:24 AM   #2
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Depends on the plants, I'd guess. I have many plants, my water is GH55.
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Old 04-22-2013, 02:45 AM   #3
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I had a GH of 24 degrees, never had any issues associated with GH, KH is quite another matter.
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