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Old 05-13-2008, 07:57 AM
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Default Yellow Leaf tips... Please help!
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Plant seems healthy and is growing but all new leaves have yellow tips!

Medium: Low nute "professional grade" soil (.09, .04, .06) mixed with sand and perlite - 2:1:1.
Lighting: All CFL - 1-125w (6500k), 2-42w (6500k) & 2-42w (2700k) = 293w CFL total. About 3-4" from plant tops.
PH: Soil - 6.8. Water - 6.8 (tap water - adjusted with apple cider vinegar and left out for 48 hours before applying to plants)
Temps- 77-84. Thermometer with remote sensor positioned a little higher than plant top level.
Nutes: None

Note: Bottom leaves were salt burned. It was flushed yesterday and all new growth has yellow tips - only yellow tips. All other growth is green besides the tips. Should the flush take care of this? I'm not sure what else I could do. On paper everything seems to be right.
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Old 05-13-2008, 10:49 AM
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looks like a magnesium deficiency to me. Peace
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