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Grow QuestionsLeaf curl

Leaf curl

Qpalzmstarted grow question 2 years ago

Is this light or nutrient issue or something else Growing future#1 They have 2 philizon cob 3000 light at 24" they were at 18" I put them up soon I noticed curling They have been fed daily with canna start since day 7 Started on canna a and b 30ml of each to 10L yesterday

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Qpalzmanswered grow question 2 years ago

M0USE I was told this strain grows best between 26 and 30 degrees. Should I still try and get it down that low? Its been running at about 29 to 30 degrees day and 23 at night. Do you think 1 light would be enough at this early stage ? I've gone to 30" with the lights to lower temp to 27 degrees

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m0useanswered grow question 2 years ago

That leaf curl is heat stress Keep the temps stable and good work on raising that light up. You want to be in 24-26c range during day. one simple test is put your hand at the top of the plant, if it feels a bit to warm its to hot for your plant. Good Luck

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