Equipment
I am preparing to embark on converting my fishroom (2x55G, 2x29G, 4x20G, 2x33G, 6x10G) and display room (300G, 220G, 150G, 90G) to central filtration - I keep all SA fish, and plant the heck out of everything. My question is, assuming I can keep the water system air-tight (going to be filtering...