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How long can I keep my yeast starter in fridge?

Made a yeast starter Friday went in fridge sat night. Something came up and I may not be able to brew for a while. How long will it last in the fridge?

For me, I’m not worried for 2 weeks.

I’m generally worry free for 4 weeks.
After that, I’l still use it but will feed it up a bit to get it active.

Having said that, I will also admit that I’ve used it 6 weeks in with no problems (I just pitch more of it than I normally would). Never had any issues with regard to flavor or performance.

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