I have responded to everyones questions regarding ph/ppm in the earlier posts. Temps are running 70/75 RH / 50. I have my LUX meter in storage so I’m unable to check that. The only reason I stated that everything else is great is because it is. I’ve been battling this for years and have eliminated most possibilities. I don’t always grow in coco. I mentioned I have grown in soil , coco and Promix. All the same results. I originally had five plants but it began to get crowded in the 2/3 week so I put one outside. Same Promix. Feeding it the same nutes. Same PH , etc. the only difference is that it’s outside ( and it looks great ) .