jsodwi;4612010; said:Definitely add verticals. Also is this a flat bottom tank where you need to add styrofoam under the tank?
Not needed for glass. Acrylic tanks need fulll bottom support.
Some people use Styrofoam for piece of mind to help prevent any pressure points as most large tanks over 55 have tempered glass bottoms. So if you get a nail head or pebble under then. It will shatter once water is added.