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What deficiency is this? Brown Spots

GrowBuv
GrowBuvstarted grow question 4 years ago
What deficiency is this? I lowered my nutes quite dramatically, I’m thinking that this is most likely the cause. I have fed with stronger nutes the next feeding after spotting this.
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Week 13
Leaves. Color - Dark-brown
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GrowBuv
GrowBuvanswered grow question 4 years ago
After some more research I would say this is most likely a Calcium or Magnesium deficiency
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Dawgssszzz
Dawgssszzzanswered grow question 4 years ago
Bad case of nutrient burn. Need to flush it with ph balance water
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