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Leaf dropping
Mastrstarted grow question 5 months ago
I have two auto there 1 indica northern light and 1 sativa mix auto but the sativa one all top leaf dropping it wasn't like this yesterday and i just move her in here with hps lighy is it heat stress or light stress light??is 50cm hight and is 600w hps
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Leaves. Curl down
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Polyphemusanswered grow question 5 months ago
50w/sq ft with hps.. so if you are covering a smaller area than 12sq ft probably need more height if it is already sufficiently covering entire area -- i.e. good growth on edges and corners. if not, more reason to added height from canopy.
I'm guessing that 600w puts out about 1000 umol/s ... use that relative to size of garden and reference a dli table. shoot for 35-40 DLI .. either through power dimming or increased distance from canopy - the latter is more wasteful with electricity, but better penetration and more even coverage on outskirts.
Mastranswered grow question 5 months ago
It's definitely not overwatering for sure she been OK yesterday this is happen when I move her into here with 600hps light tent size 60×80cm I think heat strees because fan wasn't working and too hot inside I also take light bit more far now light distance 70cm from top plant anyone know how to resolve that issue much appreciated
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AsNoriuanswered grow question 5 months ago
Burn from hids, aka raise light ( could be ) plus they streched, hight temps most likely too, i bet on this
Nitrogen toxicity ( meh, but bottoms very dark )
Wind damage, but would not hit far and around all plant
Just started to drink more and you late with watering
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