Todd,
The tank is about 8 months old. 225 gallon (72x24x30 high). running 8 x 54watt T5s on two Vue660 Ballasts (Upgrading to GHL Mitras 6100 LED's, they are being shipped now). Ca ~420, Alk ~ 9.0 dkh, nitrates 0, salinity 1.025 sg, phosphates ~0.02, temp ~79 degrees F. I have a school of 7 anthias (4 dispar and 3 lyretail), 3 green chromis, pair of ocellaris clowns, pair of bangaii cardinals, yellow tang. Inverts are turbo, cerith, astrea, nassarius snails, 2 fighting conchs, mix of SPS, LPS, xenia, zoos, ricordea.