this post was submitted on 08 Feb 2026
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Fermentation

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I've been having issues with making milk kefir. Mostly, actually, fear of drinking it after fermentation. Sometimes I notice this foam on the top, and after straining, I don't know how to describe it and don't have any photographs.

When my kefir is done, it smells almost identical to sourdough starter. Is this normal? Does this mean its safe? It is different to commercial kefir, which I know is more of a thin yoghurt.

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[–] BoulderHole@piefed.social 3 points 2 weeks ago (1 children)
  1. I have a few times but last time no.
  2. No.

I've never heard the advice to second ferment with a flavouring before, I think I'll try that!

I've never second fermented before. Take the grains out after 24 hours, right?

Thank you so much for the advice!

[–] reallykindasorta@slrpnk.net 3 points 2 weeks ago (1 children)

Yeah for the second ferment take out the grains after 12 hr, add tiny fruit for flavor, and put in the fridge. It makes a big difference!

[–] BoulderHole@piefed.social 3 points 2 weeks ago (1 children)

Thanks! I'll do that with my next batch and see how it comes out.

[–] reallykindasorta@slrpnk.net 3 points 2 weeks ago (2 children)

I didn’t notice you said 24 hr and I said 12, basically make the first batch as usual (24 hour cycle is fine if that’s what you’re usually doing) then swap to fridge.

[–] BoulderHole@piefed.social 3 points 2 weeks ago

Ah, alright, thank you for the clarification, sorry! 😅

[–] BoulderHole@piefed.social 2 points 1 week ago (1 children)

Replying again to say i finally got kefir to work thanks to your advice and it was really good!! thank you so much!

[–] reallykindasorta@slrpnk.net 2 points 1 week ago

Yay I’m glad you’re off to the races! Happy fermenting.