55 Gal, Fluval 305, GE 9325K CF 55x2 (7hrs/day), Coralife T5 56 watts (used in conjunction with the GE 9325's 2hrs/day.), Eco-Complete substrate, EI Dosing, Flourish Excel, 200 watt heater, Pressurized CO2 with Rhinox 2000 diffuser, Coralife Turbo Twist 3X - 9 Watt U.V. Sterilizer on 24/7.