OK I am setting up 4 75 gallon tanks.... I will be drilling one hole in each... how big of a bulkhead do I need and how big of a drill bit do i need for that hole??? I am looking at buying drill bits but there all metric. Any help please
I don't know much about DIY, sorry I couldn't help in a less sarcastic way.
By the way, I'm glad you'll be able to keep your trimac now. It's a really cool fish.