Comment: Ha! That's exactly what I found and

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bigmikedude's picture

Ha! That's exactly what I found and

use for an airlock in combination with the mason jar full of water when I ferment hot pepper mash in a 10 gallon crock for hot sauce. (with a special breathing lid I made for the jar to keep fruit flies out of the water)

I found a plastic flower pot that looks like a half a wooden barrel that literally snaps tight upside down over the crock making it airtight when you run a wrap of cellophane around the joint tight like shrink wrap. I drilled a hole in the plastic pot and pushed one of those check valves into it, with some vinyl tube on it.