Im still fighting issues with my alge groth but this is 1000% better then it was, and im working on trying to improve the issue, just added a few snails and there going crazy eating the glass clean like there suppost to which is a good thing.
anyway here is a link where i have them trained, they will bite my finger, quiet funny actualy
http://www.youtube.com/embed/-uhcEG7Ha3c?hd=1