wooden stand

Hi, My 27gal tank is currently on the below cabinet. It's made of solid mango wood with a box steel base. My question is would it be suitable if I choose to upgrade to a 4ft tank (48x18x18). The new tank would be almost exactly the same size as the top of the cabinet. I've included pics of the...

Designing my next tank, and now considering what stand to get. I once had a 180cm x 60cmx 70cm tank that was on a plywood stand. The wood started swelling in a corner with a slow pipe leak. I sill shudder when I see commercials stands now, so want to build my own with a sturdy frame, clad in...