Diy Yeast Co2 With A Pressure Regulator And Timer

Very fun! You put a lot of thought and work into taming the organic co2. Makes me want to share some of my journey!

When I started down the path of co2 I began with the diy options. I looked hard at going with a tank for pressurized co2 after not too long. I couldn't handle the lack of control.

Of course marriage puts limits on the purse hehe. And I kept mulling over how to fix it. I came across a "low" pressure regulator that a local business had special ordered a quantity of. After a lot of trial and error I ended up with a pretty solid setup.

I went with citric acid and baking soda for the reaction. There are 2 regulators one keeps steady pressure for the solenoid, control, counter and into the pump impeller.

The other regulator goes back to the acid bottle to keep it at a constant pressure so it only feeds the soda once the pressure drops below that setpoint. Check valves (good ones!) Keep things working smooth. They took me the longest to figure out.

Now there's no over pressurized bottles waiting to explode, and very little time fiddling with it anymore, just double checking pressure gages and fluid levels. It could build a ton of pressure, I'm limited to 55psi max by the hose I use. And I keep it at 20psi. The 1 liter bottles last about 4 weeks at 1 bubble a second. Since it's on a 3g tank with a 3g sump its good enough for me.

In the end I probably could have saved a lot of time going with a tank. But these sort of contraptions are another thing to enjoy about the hobby/obsession.