I think the biggest issue here is gonna be krausen. Some nano-scale super slick surface that lets the sticky stuff slide right off. Or perhaps a device that always stays entirely submerged.
Saw this video today on a product called "never wet" by rustoleum. It is pretty awesome video.
http://www.youtube.com/watch?feature=player_embedded&v=DZrjXSsfxMQ
http://www.homedepot.com/p/Rust-Ole...CiP-cTxfA?&cm_mmc=SEM|G|STO|DSK|D24|Rustoleum