I used this one and it worked awesome for my 36 bow.
http://www.amazon.com/Eshopps-Nano-Protein-Skimmer/dp/B009GZLJBE
Sent from my iPhone using MonsterAquariaNetwork app
interesting and i like the idea of an in tank skimmer over hand on back ones i found this one interesting[video=youtube;uwpyVltm-Aw]https://www.youtube.com/watch?v=uwpyVltm-Aw[/video]
here is a link to it on Dr fosters click
would that work?