Questions tagged [disinfecting]

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2
votes
1answer
56 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 ...
10
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
179 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
621 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 ...
7
votes
4answers
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 ...