Hello folks. I was doing some research on DIY C02 systems and came across an excellent article well worth a read for those of you into the carbon thing, newbies or pros alike...probably the best article I've read on carbon reactors and yeast in general.
http://www.qsl.net/w2wdx/aquaria/diyco2.html#4
http://www.qsl.net/w2wdx/aquaria/diyco2.html#4