hi

can anybody give me some advice on my plants i am growing in a iws flood and drain 12 pot system
on a couple of the plants near the bottom a few of the leaves look to be a rusty color is this a disease? they are not brown (dead) as some leaves go at the bottom but the color is patchy on the laef also the whole plant looks a lightwer green than the ones without this and lews perky

can anybodt help??

cheers

got any pics? could be fungus

Click to view attachment

any ideas?

Ye mate think thats fungus is it on all of ur plant? take a look at some posts for fungus they look the same as ur's does

looks like a Potassium deficiency to me