Hi,
I'm looking into building a large tank with a sump. The tank is 96L x 30W x 28H (350 gallon), 3/4" glass, and the sump is 72L x 24W x 16H (120 gallon). There will be 4 holes drilled for drains and returns, 2 in each corner of the back glass on top. They're going to be for 2" PVC pipes. I...