I'm thinking about buying an aeration system. I was wondering: What's better for the yeast? Using pure oxygen from a canister like the ones bought at a local home improvement store or a system that filters ambient air?
So when you say "too much", does that mean that the yeast will die from too much oxygen?
So when you say "too much", does that mean that the yeast will die from too much oxygen?
I've been doing some research on the subject lately. Here is my current thinking.
8PPM is fine for most ale yeasts
8PPM is about the limit at room temperature and ambient pressure without using O2
Lagers yeasts want 12PPM or more
12PPM can be acheived by shaking/splashing/aquarium pump if the wort is chilled to fermentation temps before aerating and/or top pressure is applied.
But hey, I'm still learning.
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