 berlin sump
i have a 180 gallon reef tank and i have a nu-clear filter as my main filtration.ive been pretty happy with it but i have to replace the filter cartridge every 2 months at $50 a pop.i was considering replacing it with the berlin bs2 sump.does anyone have this orhave any info on its efficiency???any better ideas for a filter?? any info would be appreciated thanks a lot john |