Questions tagged [disinfecting]

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2
votes
1answer
54 views

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 ...
9
votes
5answers
1k views

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....
4
votes
1answer
167 views

Got major infection 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 ...
1
vote
1answer
581 views

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 ...
6
votes
3answers
2k views

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, ...
4
votes
1answer
336 views

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 ...