magnesium

Hey GWE community, can you take a look at these 2 plants and advise on leaf changes? First pictures are Jack Herer AF in week 11 from seed. Looks like magnesium shortage, maybe? Please advise as I’m a newbie!!!

Hi everyone, I started growing a few month ago and I've been reading this forum a lot. It helped me so much getting started, so thanks for sharing your knowledge! I'm growing OG Kush for the 2nd time, and the first round went OK with decent harvest but they had the same problem of yellow...

hi everyone. at first, im not a native english speaker, please ignore my mistakes :laugh: im growing three different seeds (my first grow. 1 pineapple express, 1 lsd 25 1 sugar mama), all of them are autoflowering. when they started to show calcium+magnesium defiecency at the same time, i...