Which one are you personally able to do? Can you weld or do you have the carpentry tools? Or are you going to have to hire out and pay for the work? How do you want the finished product to look? Is it going to be framed into a divider wall or standing alone? If its standing alone are you going to leave it exposed or cover it with wood or some sort of synthetic panelling?
If your main concerns with wood are rotting and warping you can use pressure treated lumber and include a layer of Styrofoam between the top of the stand and bottom of the tank to compress and compensate for any irregularities.
My own stand for a 120gal is made out of regular No2 SPF 2x4s, I built it 8 years ago, its not coated with anything and its still standing. Since I'm a Carpenter and the tank is now built in-wall that was the most practical thing to do. If I was a welder and I wanted the tank presented in some other way I probably would have made it out of metal. Do what you are able to do with the skills that you have for the finished product that you want.
|