I like my Plant Guild reactor.

http://www.plantguild.com/html/power_reactors.html

--
Bob Alston


http://members.cox.net/tulsaalstons/
"Troy Bruder" wrote in message
...
Hello,

I'm running a pressurized CO2 injection system in my 30 gallon planted
tank... Currently, I'm using a membrane diffuser from M3... but I'm
concerned about it's efficiency. Anyone have any other products they
would
like to recommend??

Thanks,
Troy