i have a 2 and a half week out plant and its not doing to good..but i am switching it to a hydro set up tomorrow or i might just start a new in the hydro but i was wonder if 2 light bubls will be good until i save up enough to buy a HPS light system the combine watts is roughly off the top of my head the equilivant to about 95 watts incodensenct..and where is a place to buy a HPS light system with cost in mind