Nano skimmers,

[Kryten]

Not really, I think it's inherent to the design. What I did to eliminate them from my tank was put the skimmer in my aquafuge and let all the bubbles get stopped from entering the main tank by my chaeto. I'm not that impressed by the performance of the skimmer though, as seems to be the general consensus. I'm getting a bit of skimmate that looks like weak green tea. The whole thing is just so small though, that I just don't know if it's really doing much useful skimming. I think if I can find an aquafuge ps for cheap I'll go that route. My 24 gal tank at almost 30" long though, is a bit bigger than the typical nano.