800 gallon mixed reef tank. this is my second tank first one was 30 gallon reef tank. 75 gal tank is only 3 months old and so far so good. working great. i like making my own things. for example diy led lights, diy auto top off system, diy bow front canopy, diy refugium, diy live rock and tonga branches, i got three yellow tangs, coral beauty, black trigger, two marron with yellow stip mated pair of clowns pretty big size. two flse preule cowns, one powder blue tang, star fish, red blood shrimp, purple lobster in my refugium and two tomato clown in refugium too.