Plants turning yellow?!

Discussion in 'First Time Marijuana Growers' started by TellDex, May 29, 2019.

  1. Hi all, yesterday I was the father of 5 healthy girls, 4 clones and 1 auto. We had a bit of rain in southern Ontario last couple days and it’s the first week of plants being outdoors. Have never tested soil or water for ph or anything like that, have fed them a bit of organic fertilizer but not on a regular cycle. Plants were healthy dark green yesterday but are yellowing by the minute! Any help is appreciated, thanks [​IMG] [​IMG][​IMG]


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  2. Looks like a calcium/magnesium issue.


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  3. Major or minor issue? I will try my best to source the problem but should I worry in the mean time?


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