gasser/bubbler mechanism= an airlock. Let's the fermentation off gas the CO2 and doesn't let any air in, which could contain bacteria that could kill the yeast.
Very cool, btw.
Yesm, as well as add unwanted bacteria that could spoil the ferment and the airlock aids in preventing my brine from evaporating. The more empty space in the jar, the more apt it will be to grow mold.
Lol, this ol country boy never put an airlock on food. That's good to know about the empty space. You could also cut a hole in a lid (something like Tupperware,) seal the hole with food safe silicon, run the hose into a handle full of water and watch it bubble away... Not, not that I've ever done something even close to that... Nope, never
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