best homemade CO2 reactor?

[discusguy]

could anyone enlighten me to what the best CO2 reactor is? any additives worth adding besides sugar and yeast? pics would be helpful. thanks

[keVerns]

jelly version of the water/suga/yeast method?

http://www.plantedtank.net/forums/showthread.php?t=9916

lasted me a good 2 months before i move up into the pressurized system