Author Topic: Clay fermentation vessels  (Read 2269 times)

Offline morticaixavier

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Re: Clay fermentation vessels
« Reply #15 on: January 20, 2015, 03:01:05 PM »
With the high porosity wouldn't there be a high chance of contamination?

Theoretically, if you use the same yeast for every batch and keep strict sanitation procedures... not a problem.   More importantly, like infusing a wooden keg with brett or other bugs, the porosity may be exactly what you are after. I am working with a 55 gallon wooden cask right now, infusing it with bugs so that the porosity of the wood hold the wildness I want it to impart. Fun stuff.

right, it would only get contaminated if you put contaminated beer in it. Then it would be more or less permanent.
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Offline pete b

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Re: Clay fermentation vessels
« Reply #16 on: January 20, 2015, 04:19:02 PM »
I wonder if the clay they use is tested for heavy metals etc.. I'm thinking Rome and lead.
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Offline morticaixavier

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Re: Clay fermentation vessels
« Reply #17 on: January 20, 2015, 04:35:22 PM »
I wonder if the clay they use is tested for heavy metals etc.. I'm thinking Rome and lead.

to be fair, the romans were kind of asking for it what with lining the pipes AND drinking glasses with lead. IIRC they even occasionally added powdered white lead to wine as 'seasoning'
"Creativity is the residue of wasted time"
-A Einstein

"errors are [...] the portals of discovery"
- J Joyce