ringfinger
Aquarium Advice Freak
Right now I am selling some of my used Co2 equipt for school money on eBay. Regulator, Power Diffuser, pH Controller, and a 12" PC light.
http://search.ebay.com/_W0QQsassZbrethickenQQhtZ-1
http://search.ebay.com/_W0QQsassZbrethickenQQhtZ-1