Convection Current

Darwin18 · Nov 24, 2008

I've looked on the forums here but haven't seen this addressed. My beer has been in primary for a few days bubbling away happily. Looking at it, I can see particles in the beer rising up, down, and all around in a convection current. The fermentor is room temperature at 65 degrees with a towel wrapped around it as an insulator.

Is this convection current normal? I'm merely curious, not concerned.

malkore · Nov 24, 2008

Very normal. fermentation is an exothermic reaction (heat is produced).

some fermentations are quite violent: [ame=http://www.youtube.com/watch?v=Emv_8K-9r9Q]YouTube - A Vigorous Ferment[/ame] (random youtube video of a carboy fermenting actively)

Darwin18 · Nov 24, 2008

Thank you Malkore! I find it fascinating but my SWMBO had a....different reaction.

giligson · Nov 24, 2008

Its not just fluid convection, its also Co2 gas nucleation, growth of bubbles and release of co2 at the surface - letting particles fall again.

FullDraw · Nov 24, 2008

I find myself losing track of time, just staring at it, knowing what it will become.

Convection Current

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Convection Current

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