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Yellow tips. Might be the lights??
facingbacktofrontstarted grow question 5 years ago
I'm thinking of light burn or nute burn. On new growth and just at the tips. Not all the plants, probably on 1/4 of them. Watering 3 ml/gal cal-mag, 0.5 tspn/gal Epsom salt. RO water. 450 ppm. 17 Days into veg. Lights 630watt fluence at 28 inch at 70%. Lowered now to 50% at 35 in
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OutForRealanswered grow question 5 years ago
A light stress/burnt would have been different with some burned spot on the leaves . What I can see is burning tips and yellowing that is starting from the edges of the plant so it could be related to an excess or a deficiency
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