I've been battling the same probs, phatblunt. I've actually learned to deal with the fact that i'm just gonna have low humidity when i'm veggin
. I've tried all the tricks too, everything everyones saind on here, (except the rocks under the pot thing). My humidifyer holds close to a gallon of h2o, and puts out hell-a-steam and still it bareley phases my levels. Picasso's right on the money about the ventillation of the grow space having huge effects on humidity levels(temps too, but that's a different thread altogether). To cool MY space, which used to be a closet, i've had to bring in multiple fans, and an ac unit and with all that air blowing around i think it's a losing battle for me. So far, only side effects i've noticed, is just that i gotta water more often, and sometimes my leaves will get a bit papery. Other than that, I've found my vegging plants do doin pretty well even in 14%.