Which reminds me. What's happening at "Myth Busters" in Ron Soave land? At 11:26 AM 1/28/2011, Robert Duquette wrote: >I found this article on Moss' site to be interesting. >"lasts just 30 to 45 days in a vented tank" Tim Collins http://www.flickr.com/photos/12702006@N07/sets/