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I have always used drilled rubber stoppers on my carboys. I've now been seeing a different style. They look like a cup and are called "Universal". Are these any better?
They don't seem to seal as well. It might just be my imagination, or my strong distaste for change, but a standard 3 piece air lock with not bite like they do in a bung. You can often slide it easily when seated.I have always used drilled rubber stoppers on my carboys. I've now been seeing a different style. They look like a cup and are called "Universal". Are these any better?
I have always used drilled rubber stoppers on my carboys. I've now been seeing a different style. They look like a cup and are called "Universal". Are these any better?
I may pick up a few and give them a tryI have only ever used the Universal style Stoppers. I have several sizes of carboys and even within sizes the size of the hole at the top seems to vary a bit. WIth the universal, I just grab one and it works. I don't have to find the exact one that fits that carboy. They work just fine for me.
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