Re: Kefir recipes, tips, tweak, and general Q & A
I would smell it and taste a bit. It will not hurt you, it just might not taste very good, KWIM? If it taste really sour and kind yucky but it still liquid, I'd toss the milk and give it fresh. Often, after traveling or resting in the fridge, it takes 1-3 days for the balance of flora and fauna to go back to normal. IIRC, yeasts thrive in an anaerobic environment but the bacteria need oxygen so, while resting, sometimes the yeasts gain too much ground.
Kefir grains are a strong culture, though, so they almost always recover. I think you have to work pretty hard to kill a kefir grain.
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