coffeetwitch
Aquarium Advice Addict
if you use it for the glass, you better get a good glass cutter!!! i was cutting down a 55 to use for my 75g. ended up breaking every panel. i bought a 3$ cutter from harbour freight.
ha thats why i wonder. the man knows what he is talking about.na..it has nothing to do with filtration and everything to do with stopping micro bubbles from entering the display tank.