rust fungus!!! info please?

talke a look at the pic i uploaded it gives you picture of most problems with plants hope this helps

Pics please

Cheers mate but I know what defs look like already spent hours looking into to this and tge signs are similar to nute defs cal def but ive fed calmag so also ruled that out but looked up rust fungus and its 100% this due to high humidity and low temps during lights out mate I know this bcos everything else has been tryed and ruled out bro... There isnt much info on rust fungi hence ne asking for info on it cheers tho

This is pretty much what looks like only more rustic spots mate id take a pic but my girls are sleeping atm haha growth is still fine show u my plants noww... one min

This is my girls they seem healthy other then these spots

Actually here is a leaf I took off earlier fellas honestly tho ive checked ph n its spot on 5.8 im growin in coco medium with coco nutes advanced nutrition nutes ph perfect also not having groth problems