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Re: Help - brownish plants


One thing you didn't mention was if you make any water changes. The GH seems a bit high, although I don't think that by itself would cause the browning of the leaves. Why don't you try a couple of 50% water changes, add your nitrate, K2SO4, MgSO4, iron and micronutrients back, and see if the plants don't get any better. This would check out the possibility that levels of something may have built up to toxic levels.
Paul Krombholz in cloudy central Mississippi, with a faint chance of a shower tonight.