Marine Tank 36x18x18 Journal This is also on another forum (MASA), so if it looks familiar thats why. So after about 5 years of not having a fish tank, ive decided to get back into it with a marine tank. Ive heard heaps of good things about St George Aquariums, so ive basically gotten everything from them. Their customer service has been the best ive seen anywhere, with great advice for anything ive asked. </plug> I went with a 36x18x18 tank with a 30x18x18 sump. The sump is a 'mini reef' that St George's designed and pump out by the hundreds it seems. The water flows down and trickles over some bioballs, through some more mesh to the return section where the skimmer and return pump are. Guess ill start off with the stand build... Stand was made with 100x50 Blackbutt (which feels as though its harder than concrete), the doors with Maple and the slats with Sydney Blue Gum. I had four legs all identical with notches cut out for the cross beams. Used the drop saw to cut several cuts at the right depth, then chiseled and perfected the fit. Then came the fun of the mortice and tenon joints. They arent really that hard a joint to make, but drilling and chiselling Blackbutt is the problem. I routed the tenons, and drilled and chiseled the mortices. Aaaand the finished sides. Four rails join them together and thats it. Glued the main frame together and also the middle braces. Had some spare Sydney Blue Gum lying around so I thought id work that into it somehow. Came out beautifully with a nice contrast against the Blackbutt. Just a shame the sump is going to completely cover it.