http://www.csd.net/~cgadd/aqua/diy_co2rig.htm
If you are not sure what a CO2 System is, how it works, and what parts are needed for it, try reading this article. I found it easy to understand and quick to read.
If you are not sure what a CO2 System is, how it works, and what parts are needed for it, try reading this article. I found it easy to understand and quick to read.