i think that its to dry and they hold moisture underneith the leaves. i have the same problem but i want to avoid mold so maybe throw a few damp towels in your grow area daily and get some humidity in there. hope it helps!
spankydubbs Reviewed by spankydubbs on . tacoing leaves, brown spots I think i caught them early because there doesnt seem to be any more spider mites, yay. but now i seem to have the "tacoing effect" on some leaves and many new leaves are curling down like talons. and one leave has a couple brown spots. Let me provide you guys with more info so you can help me out Im growing under 400 watt and 4 100 watt cfls for side lighting in an aeroponic system with hydroton rocks. My humidity is low at around 25% and my temps are between 75 and 80 degrees. I am Rating: 5