The Planted Tank Forum - View Single Post - Nitrogen deficiency or ?
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Old 12-06-2012, 01:36 AM   #2
OVT
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My first bet is the low GH, not N.
I would raise it to ~6 using baking soda (look up how much you need per gallon to go up 1). There are also several versions of GH Booster available on the web.
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