Yellow rust spots

I have yellow and rust colored spots that are drying out on my leaves. And I can't seem to pin point the problem. Any help please

Pictures would probably help

Bretter said:

I have yellow and rust colored spots that are drying out on my leaves. And I can't seem to pin point the problem. Any help please

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This is a tuff one....brown/rust spots...its like a mystery... some will say mag def....some will say pests...calcium def....nutes burn is even a possibility....I've went thru this before and never.found a clear answer...after hours of research...good luck

View attachment 2600525 hope this helps...misting can give burn spots without proper ventilation..

need more information, but the first thing to check is usually ph. make sure your ph is in the right range (5.5 hydro 6.5 soil). pictures and more info about your setup would help a lot with diagnosing your plants specific problem