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Old 03-30-2013, 09:51 PM   #1
soapy45
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Default A question about siphoning

Still working on my first batch, a BB American Light that my dad and I started this past Sunday. OG was 1.045 when I pitched yeast. Then fermented at 70-72 degrees. Took a reading today of 1.010. While racking into a secondary, I noticed air bubbles in the line with the wort. It started at about the half way mark and became more prominent as we got to the bottom. Is this normal??

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Old 03-30-2013, 10:01 PM   #2
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I've had that happen for two reasons. Either with the auto siphon leaking at the inner tubes seal against the outer tube. sucking it dry and pulling air from above the seal. Which I would just keep dumping water or sanitizer to keep it full. Or you may have 3/8 inch tubing on a 3/8 cane. You need 5/16 for a good seal

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Old 03-30-2013, 11:05 PM   #3
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No, not normal and it may have caused some oxidation depending on the degree of O2 infusion created in the beer.

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Old 03-31-2013, 12:20 AM   #4
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I've had that on every batch I've ever done. I've never had oxidization issues. I use 3/8 inch hosing because the 5/16 hosing won't fit over my racking cane.

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Old 03-31-2013, 12:24 AM   #5
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You might also be only seeing co2 coming out of solution.

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Old 03-31-2013, 12:50 AM   #6
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Quote:
Originally Posted by kh54s10
You might also be only seeing co2 coming out of solution.
+1 to this. At the apex of the siphon tubing pressure is below ambient, facilitating CO2 bubble formation.
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Old 03-31-2013, 01:04 AM   #7
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Quote:
Originally Posted by duboman
No, not normal and it may have caused some oxidation depending on the degree of O2 infusion created in the beer.
I'll clarify my own comment....
It's bad if you are getting lots of big bubbles as there may be a leak.. If its a tiny stream of minuscule bubbles its pretty much the CO2in the beer
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