OK, 2 part help/advice needed.
1) Cannister decision--new 55 not yet setup. Will have corys, rummy noses, emperors and a couple of GBR.
Cant decide between the Rena XP3, or Marineland C220 or maybe C360 if I can find it for a good price.
Is the C220 big enough?
Which is quieter, the C220 or...