I have a fan controller in the back of the tent. otherwise yea, that fan is EXTRA loud. The grey one in the closet isn't too loud.
As far as nutes,
For vegging im using Cal-Mag Plus and Foxfarm GrowBig, soil ph 6.5; hydro ph 5.5
For flowering im using Cal-Mag Plus, Foxfarm Tigerbloom, Foxfarm...