Drilling a tank!!

[Invigor]

Originally Posted by muck

3. What kind of turnover ratio should I be trying to achieve for my 40Gal Tank??
Will probably go with a Mag Sumbmersible pump in the sump for now.
Would a Mag 9 be enough flow??

I used a mag9.5 on my 48gal. nobody seemed to be bothered for it -- got some nice surface agitation with that much flow.