20g Long Divided Tank & Background
I just bought a 20 gallon long tank and am planning to divide it into a 5 gallon section and a 15 gallon section. I have bought GE type 1 silicone for windows and doors to glue the divider in place, and then will start work on the background.
The tank I got is a Top Fin aquarium and the plastic frame keeps the bootom glass from sitting flat on the wood surface. Should I put some spare styrofoam under the tank so the glass is resting directly on something, not with air underneath it?