Hiroln
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Ok so this a Runtz photo - 2 out of 7 are showing this deficiency - they were showing it before I did extreme defoliation - this pick is about 9 days after in the new growth. I increased my jacks 123 by 20% in addition to adding 1/2 does of cal-mag to my RO, I didn’t had the entire does of cal-mag bc I boosted up my Jacks by 20% and didn’t want to over do it. Not all of my plants of this strain are showing the deficiency, just two of the plants. Looks like Mn deficiency to me - thoughts? All other conditions are good - temp 72-78F, 40-50% humidity, watering every three days. Kind of surprise by this bc I boosted up the fertilizer and added cal-mag to the RO. Guess I should have added full strength cal-mag.