My System Consists Of A 75 Gal ,rainbow Triple Capity Filter System,ocean Clear Canister Filter Also,and A Little Giant Pump ,also Have A Hang-on Penguin Double Bio-filter ,water Movement Is Done With A Power Sweep 270 Gph And A Penguin 1140 300gph The Little Giant Pump 650 Gph Also. My Water Is Crystal Clear Always.as For Lighting,i Retro-fitted 4 -40 Watt Fluorescent T-12 Bulbs And 1-t-5 Bulbs And 1 T-6, 2-20 Watt Mini Compact Fluoresent 50/50 Bulbs In The Rear Corners Of The Tank. The Bulbs Consist Of U R I Brand Actinic 03 420 Nm (1) And 1 460 Nm Actinic , Also 1-lightning Rod T-6 @ 11,000k The T-5 Is @ 20,000k And I'm Experimenting With 2 Ultra Violet 20 Watts To See If They Have Any Effect At All On Anything ? 275 Lbs Of Live Rock ,3" White Sand Bed,a Couple Of Blue Damsles,a True Percula, A Sand Glidder Goby(who Stays Very, Very Busy) My Wife Just Purchased A Yellow Deep Water Gargonia,it's Doing Great ,also Have A Green Gaunipora And Of Corse Some Green Star Polyps , And A Pulsing Zena Wich I Love. And A Few Zoe Frags I Love The Zoe's And I Want As Many Different Species As I Can Get. I Know This Sounds Crazy But I Have Been Using Rain Water For The Past 7 Years !!! It's A Pain In The But, But I Think You Can't Beat It.we Also Use Seachem Reef Salts,and Most Of The Other Products Are Frome Seachem Also.i Have A 25 Watt Uv.