Quote Originally Posted by JackHerer
From my experience basements are generally damp add in the heat of the HPS lights your on about and you are certainly going to want to vent that air.
this is very true and, i have mold problems because of this im my basment (not the hps the dampness) so many people have mold problems in basments due to the dampness so some dehumidifiers are prob a good thing to invest in or later you'll end of with a tainted crop