hi i have been thinking of making myself a 6 x 2 x 2 aquarium out of plywood but when i price everything up it sounds like it would be cheaper to buy a glass aquarium,the wood i can get at a decent price and it's the same with the cinder blocks for the stand but the sealant is what makes it expensive,i have been thinking of an alternate for rubber paint or fiberglass and wanted to ask if you guys thought yacht varnish would work as it is desined to hold water out.thanks for any help
Alex
Alex