Bravery level: advanced!
Funny you want to drill filtration plumbing through the bottom of your tank. Plugging the bottom filtration holes was the first thing I did in the Fluval (as did almost everyone else in the AE contests after that). Curious why you would want to limit your design options forever with plumbing that's immovable? I get the outside aesthetics point, but.....
All that said your soapstone topped stand sounds AMAZING!! Can't wait to see it. Especially since you pretty much always make me jealous of your DIY project skillz
It is not murder if you're killing snails.