JH420
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These seedlings are mostly 18 days from seed and the ChemDD are 21 days. They were about 6" from the T5 lights (now raised to 12"). Watered with RO water (ph 6.2) only (started calmag yesterday). I am not sure if these spots are some sort of defeciancy or heat/light stress?? I did not have a fan blowing on them until yesterday. What is interesting is that I have several phenos of different strains going and it seems about 1 pheno of each different strain is showing this...pictured are ROG, ChemDD, Chemberry, OrangeChem,Alien Kush, White Urkel, etc. I am thinking it is some sort of deficiancy, since the signs are usually showing on each plant that is furthest along in growth. I was planning to start feeding quarter strength nutes on day 21, probably should have started the Calmag way sooner than yesterday. I think it is a Calmag issue, but I'm sure one of you pro's will take a quick look and know right away.
Thanks in advance :pimp:
Thanks in advance :pimp: