yellow spots

Hi everyone ! I'm new, I just started a grow after it became legal in my state and I've run into this yellow spotting issue on one of my plants samsquanch og by mephisto genetics. My conditions are as follows: Just entered early veg 65-67% rh 900 ppm co2 enriched 81 day/72 night (led lighting...

Ok so I'm at 5weeks of my first autoflower grow, I have a auto jack and auto ww, I have had a few issues with pH at first and Ec, I have a pH pen and Ec now, Problem, Slight yellowing of leaf tips, Some twisting of leaf, And some random yellow spots, Growing medium, Coco coir, 2gal fabric...

Noticed this today any ideas any one, Growing in Coco coir Canna a and b nutes, ( 5ml of each diluted into 5ltrs of tap water ) 1ml of Cal mag added to above solution, 21'c 71%humidty Water about a 1ltr a day Found these spots can anyone help,

Hi just thought I would ask wat everyone thinks so far, My auto jack has got a couple yellow spots, but the white widow is clean, IV checked for bugs and all clean, Could this be the start of a nute deficiency? Or maybe from water of the leaf,