Co2?

[soccerkidbs]

would this regulator work and what else would i need if i had a tank and this.

http://www.beveragefactory.com/draftbeer/regulator/double/742BF.shtml

 

[Mgamer20o0]

needle valves maybe a Solenoid or bubble counter. a reactor....

 

[Rex Grigg]

Various adapters and fittings, tubing, needle valve, check valve, solenoid if you want to hook it to a timer or controller. And of course a diffusion method.