I checked some of their post and did not find any info on raising them in fish tanks. I guess using a rubbermaid tub with a heater would work for the tank, and I saw how to make a filter that never needs cleaning. Heres the link to the filter if interested
http://www.skippysstuff.com/biofiltr.htm But there are plenty of info that I still need to know to have a shot at raising them. Will try to pm them about their experience with them. Thanks