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what’s up DGC I got a question for y’all. I grow in a 4×4. 3 gallon pots. bullshit blurple lights. coco loco, New Millenium Nutrients secret sauce recipe. I’m running 5 Irie Genetics Leonardo and 1 Gelato 41 X GMO.

a few days ago I seen they looked as if I was burning them. one plant was worse than the others. the bigger plants started getting the rust around the serrated edges, but the smaller couple ones was just the very tips of the leaves. now I’m wondering is this nutrient burn or is it phosphorus and or potassium deficiency starting?? I would like y’all’s opinions before I go one way or another. Any feed back will help I’m stuck thinking should I water or do I need to pump some P-k in there?