Her's our current tank It's an 80 gal 36"Lx24"Wx22"H with an external overflow using the Bean Animal , the sump is abut a 49gal total with about 30gal working, skimmer with waste collector, calcium reactor Kalk reactor tied to the ATO, hood is a hanging pendant type hood with DIY LumenArcs running 14k Phoenix 250w HQI's