Recently I set up a 55 gallon in addition to my existing 40 gal breeder. I moved my aqua clear 70 onto my 55 gallon and now my 40 gallon has 2 aqua clear 50's. This tank has about 15 juvie peacocks int it currency and I'm wondering if this will be enough filtration. If not I was planning on taking one of the aqua 50's back and returning it for the 70 that is now on sale