Haven't tried a Prism, but reviews aren't that good.......
The Bakpak is quite loud (the noise comes from the end of the air intake tube), but it doesn't bother me as the tank's in my study/games room/office. I don't think the missus would be happy with the noise if it was in the living room!
55 Gall glass. 30-40lb LR
, CPR Bakpak 2R skimmer, Eheim 2215 canister, 2 x MJ1200 PHs for flow. 2 NO
Marine White tubes, fine layer of Arganite for substrate. Just switched to RO
Occupants - Currently re-cycling tank....will be adding 3 Chromis once cycled