Hi, I'm upgrading from a sucky 15g Eclipse with only 40w of PCs to a rockin' 90 gal with a 40g sump/fuge, 2x 250w 20k MH, a skimmer, and a motorized ball valve wave maker. I'm going through the diatom stage now, but it's already gone through it's cycle. Now I'm just waiting for the money fairy...