Do I need Epsom Salt?

I have had this problem for a little over a month now. My fan leaves are killing themselves from the bottom up and it's almost to the top of the plants. I though it was bugs but no, I thought it was nutrients, well maybe... I don't overwater, my nutrients are fed at less than recommended rate, the water pH is 6.5 and the plants are in happy frog soil. Temps are 75 humid 35% under MH 1000. This picture is from a month ago, the plants look devastated now..... This is my fourth post of this problem, if I don't fix it they're dead!

West Coast Medicine said:

I have had this problem for a little over a month now. My fan leaves are killing themselves from the bottom up and it's almost to the top of the plants. I though it was bugs but no, I thought it was nutrients, well maybe... I don't overwater, the water pH is 6.5 and the plants are in happy frog soil. Temps are 75 humid 35% under MH 1000. This picture is from a month ago, the plants look devastated now..... This is my fourth post of this problem, if I don't fix it they're dead!

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I don't grow in soil, but here's a good thread that might help you out.https://www.rollitup.org/marijuana-plant-problems/157345-have-plant-problem-check-here.html

i have had the same problem with my autos (had one normal plant it didnt effect), i have done everyhing. humidifier, transplant, flush, and the problem has kind of improved slightly but not gone away. i now think it might be something to do with mg deficiency, which your pics look like. so i would go ahead with the epsom salt i think it may solve your problem and mine. good luck!

usually when you see yellowing leaves from the bottom up, you have a nitrogen deficiency. You may want to try a little more N on your next feed...

i dont think that is nitrogen, generally more just a yellow color when lacking nitro not brown spotting.