hi worganja,growing in a cupboard with 400w halogen lamp,soil and nutrients,im on first day of flowering and they look fantastic.if your still undecided then visit here for your lights Lighting systems for indoor growing including Coolshade and remote ballast, lamp & reflector with Metal Halide or Sodium Bulb 250W 400W 600W and 1000W ..ive got 3 northern lights/haze and have no temp control or fans.nl/haze is a very robust plant so ive had no problems at all.as for the smell well they are very pungent so its best to get a few stick on air freshners.hope this helps m8..let me know how you got on at ugrow..ill post pics after 1st week of flowering