Hi all, I am going to do my best to make the meeting on Sat. Its quite a hike from Godfrey. I just picked up a 180 to replace my 72 and want to set up a sump/refug. The tank came with a Oceanic trickle 250. I believe I will be better off taking out the original bio ball chamber etc.. and sectioning it off myself. What to do???? I have seen some posted drawings on RC but cant find them again.