The Mars Hydro SP 3000 truly kicks Ass! Before it was invented I spent $600 per fixture maxing 8x CREE CXB3590 COB's, at 225 Watts per fixture. They are Tits, don't get me wrong, BUT the SP 3000's are feather light, and oh so bright! If I had a do over, I could have used 3 SP 3000's; 2 overhead, and the 3rd as a side light. Side lights ROCK, and SP 3000 kicks Ass for that!