DOES ANY BODY HAVE ANY IDEA'S ON HOW TO SAFELY MAKE A PLYWOOD FISH TANK WITH A GLASS FRONT? WHAT KIND OF SEALERS ARE SAFE TO USE, ANY ONE TRIED THIS YET? I WOULD LIKE TO BUILD A 1200 GALLON STEEL FRAME PLYWOOD TANK WITHGLASS FRONT, BUT NOT SURE WHAT PRODUCT ARE THE EASIEST TO PURCHASE, WHERE, AND HOW MUCH. IF YOU COULD HELP, I WOULD BE THANKFULL