My son sprayed ceramic car coating on some of my leaves... wiped and rinsed off and I thought the burn was from that, but wondering if I've actually got a calcium deficiency. Thanks for any help
Day 60 from sprout. First time ever grower here and think I have a magnesium deficiency (Blueberry Auto) but would like thoughts from others here. I have been feeding 5ml of CalMag per 1 gallon of RO water for last month. Do I increase CalMag to say 7ml or feed Epsom salt in addition?
Or maybe...
Need help ASAP. I'm in dwc and my ppms are 600 and 368 of that is cal mag. I have a few stems that are slightly purple, so I've been slowly upping the cal mag every water change. She drinks about a gallon a day. Blue dream auto. The problem is I've noticed some of the top bud sites have leaves...
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