plumbling

Hi everyone, this is my first post on R2R! I've been a chronic lurker but I have been working on my current build this month that should be my "final" one for a real long time. I was hoping to fish 3 lines through the walls from the basement to hopefully have a line to fill my ATO, and then 2...

I am building a small frag tank, no fish. The water volume is going to be only around 80 litres (18 gallons) The overflow box is only drilled for 2 x 1 inch pipes. Am I better to install a Herbie or a Bean Animal but without the emergency standpipe? Would a Bean animal be ever likely to block...