Questions tagged [disinfecting]
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6 questions
2
votes
1
answer
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Pink (or salmon) colored colonies on foam in starter flask
I noticed several small pink colonies on the foam of a second stage starter that I made from recovered yeast (originally Gigayeast: GY 054) that was mixed with 25% glycerin and frozen. They were not ...
- 257
10
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5
answers
2k
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How clean does your equipment really need to be?
For example has anyone done an experiment where they either didn't wash/sterilise any equipment including the fermenter, spoon, jugs, other etc or at most they just rinsed out the equipment with water....
- 471
4
votes
1
answer
254
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Got major contamination in my brew
Something crazy happened.
Out of my last 8 batches of mead and beer 6 came out infected. I am cleaning my equipment with PBW and sanitizing with Starsan.
I make my batches in the kitchen (both beer ...
- 766
1
vote
1
answer
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The effect of hydrogen peroxide on yeast
I did search, but didn't get any proper answer.
I have access to bleach and hydrogen peroxide (H2O2) and silver (Ag) ions (no star-san nor Iodophor).
I need to go with a no-rinse sanitizer.
I've ...
- 11
7
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4
answers
2k
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Lacto contamination in plastic fermenter = new fermenter?
Just bottled my first contaminated beer, got lazy and didn't freeze/boil the watermelon I added to a wheat beer and got lacto(?) contamination and an amazing sour watermelon beer as a result!
But, ...
- 215
4
votes
1
answer
355
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Will Campden disinfect flavoring additions in a primary?
I know that adding Campden kills yeasts. But I read recipes for beers that talk about soaking additional flavoring agents (like coffee beans and chocolate nibs) in vodka to disinfect them, before ...
- 2,137