Quote:
Originally Posted by 2wide
joety, I've never heard of this before. Can you elaborate?
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Absolutely. I had a similar issue with my racking cane several years ago. I covevered the joint with a sealant type tape and that did nothing to stop it. Then a friend pointed out it was likely CO2 forming that was disolved in solution but became "dislodged" when passing over the joint between the racking cane and the hose. This joint creates turbulence, just like shaking up a can of soda, and bubbles form as a result. If I give it a pump the bubbles go away and gradually return. Once the pocket of CO2 starts to form again, it does so at an increasing rate, as the pocket itself creates more turbulence than just the joint.
When you think about it, the static pressure created by the beer seeking a point several feet lower than the originating vessel is not going to be sufficient to pull air through that joint.
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