So on my fish table (not allowed to have a whole room ;P) I am already running a 20L, a 10, a 5, and 2 jars of BBS hatching. I am looking to add one, maybe 2 more 20L's and maybe 1 more small tank (2.5 - 5). This is causing me to have to have a lot of air pumps all the sudden. I am getting by...