1
vote
1answer
101 views

Gross layer of foam at the end of fermentation and aging

I experienced few times a gross layer of foam when fermentation finishes. But the beer was fine, no symptoms of contamination neither off-flavors. I never measure the depth of foam but it can have ...
0
votes
1answer
38 views

Shelf life of canned and unfermented wort?

I asked in a prior post about canning wort to have it handy for yeast farming. What would the shelf life be of canned, unfermented wort? Any special steps to extend shelf life, perhaps adding hops? ...
3
votes
2answers
147 views

Canning unfermented wort for yeast farming?

Canning is often used to preserve foods: the microorganisms inside mason jars are killed by a boiling water bath and sealed when removed. Small amounts of unfermented wort are useful when yeast ...