Thought I'd share this with you guys. I think alot of you'ens use these heaters, myself included. Hydor is recalling the 300 and 400 watt heaters. I took mine back to get credit this weekend. Replaced mine with a Jager.
http://************.com/2010/02/04/hydor-recalling-theo-300-watt-aquarium-heaters/
http://************.com/2010/02/04/hydor-recalling-theo-300-watt-aquarium-heaters/