To begin building an aquarium, you will need single-edged razor blades for cutting your materials. You also will need acetone, a non-toxic sealer made out of silicone, a roll of paper towels and some felt-tip markers, duct tape and either an emory board or some sandpaper made out of silicon carbide. Finally, you will need your pieces of glass: one piece for the bottom, two longer pieces for the front and back, and then two side pieces. Most aquariums can be built using 1/4-inch-thick glass, though ones larger than 55 gallons will need to use thicker glass. more »