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Midwest Homebrewing and Winemaking Supplies Carbonating Stone with 1/4" Barb, 2 micron

Q: Is this a 100% stainless "stone"?

I've had mine for a while now and can say I've never seen any rust or other material come out of it so I assume it is 100% stainless.The barb and stone exterior are 100% stainless for sure - but unless somebody cuts one open... :) Anyhow, I've boiled this thing etc - it is really great. Asside from dropping it or clogging it up with crud somehow, It should last a lifetime.

Q: Is this stone chemically resistant to strong sulfuric or hydrochloric acid?

Stainless steel is very susceptible to being reduced by strong acids. So I would say using strong acids would not be good for the longevity of the carbonating stone.

Q: How much air pressure does it take to make bubbles? Can you make bubbles just blowing with your breath?

About 2PSI, no you cannot blow bubbles with your mouth.

Q: Will a cheap aquarium pump work with this stone?

Yes, but use an additional filter between the airpump and the stone. One of the cheap homebrew air filters are just fine.

Product ID: 254222982

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Midwest Homebrewing and Winemaking Supplies Carbonating Stone with 1/4" Barb, 2 micron

Have a Question? See What Others Asked

Is this a 100% stainless "stone"?

Is this stone chemically resistant to strong sulfuric or hydrochloric acid?

How much air pressure does it take to make bubbles? Can you make bubbles just blowing with your breath?

Will a cheap aquarium pump work with this stone?

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Vikram D.

The MOLLE sheath is of exceptional quality. Very happy with my purchase.

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Imran F.

Very reliable shop with genuine products. Will definitely buy again!

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