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Leaves dying week 6 flower

Nitrous
Nitrousstarted grow question 3h ago
Hey growers, I'm at the week 6 of flower, and leaves are dying in some specific spots. Runoff ph was checked, 6.4. Feeding 4ml/L bb top-max & bloom. Bio-Grow was cut off after dark leaves, clawing & burned tips. Does someone know the cause? And how big a deal is it? Thanks!
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Leaves. Curl up
Leaves. Dropping off
Leaves. Color - Dark-purple
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John_Kramer
John_Krameranswered grow question 2m ago
Try to re-read my last answer... Shouln,t ignore it before, but meh... That was ur choice T_T
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MindFlowers68
MindFlowers68answered grow question 7m ago
Same thing with me right now with one of my indoor tents. I'm just entering week 7. I think its normal. Just the plant using up nutrients it already has to put all its got left into flowering. Last 4 weeks of flower I incrementally back off the nutrients. looks like your starting to hit the sweet spot between too much and too little nutrients. its better to go slightly less than too much. That's why i like doing most of my inputs organically and adding bio char and stuff it adds a bit of a buffer and prevents burning. i mainly add just a touch of cal mag to my water and kelp it helps to ph my alkaline water down to 6.5 and supplements what my plants are taking out of the soil because i reuse my soil.
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