Second, the pump I’m using, albeit a high end diaphragm pump, just doesn’t have enough pressure to create a good pressurized system. I assume one of the keys to this process is to have some pressurization, albeit small 2-3 PSI?? Is that possible?? I’m really very frustrated and almost ready to throw in the towel! I probably should have left well enough alone and kept the Berlin Skimmer but my aquarium folks strongly urged me to switch to a “21st Century method of skimming”. I’m also thinking that I might just want to put an inexpensive Amiracle Venturi skimmer in the Amiracle SL250 Trickle filter sump just to facilitate the ozonizing and let the othe