hey man...go to lowes...they have all kinds of cfls...best place i have went to....also...you may want to do some research on soils and watering...phs are very good to know...i use MG potting soil with moisture control...mixed in with 75% regular soil...a lot of people say MG isnt any good...so do some research and come up with your own conclusions....also...i have 2 75 watts 2 100 watt and 2 150 watt cfls...the more the marrier....KNOWM will teach you the way..he taught me!