I've made a 2L yeast starter (Wyeast 2633 Octoberfest) and placed in the fridge this morning. My original goal was to brew tonight but I may not be able to. Will the yeast colony still be good for a few days if it remains in fridge?

  • Good question, one that everyone should know the answer too if you when you start using starters and reclaiming yeast.
    – brewchez
    Aug 22, 2011 at 23:39

1 Answer 1


It should be fine if you store it in the fridge for up to 1-2 weeks. I have heard you could let it go longer but to be on the safe side I would use it sooner rather than later. If you do let it sit longer you could always decant the liquid and add more wort to get it going again.

  • Great! Sounds like a few days will be no problem then.
    – Bob Banks
    Aug 22, 2011 at 22:42
  • Hey Bob, how about up-voting the answer if you are going to accept it? I just up-voted from zero!
    – brewchez
    Aug 22, 2011 at 23:38
  • 2
    It can actually go alot more than that, if you keep it fed and happy. If you are very careful you can go your entire brewing career with just one yeast purchased, just keep 2dl in the fridge, and when you want to brew you add 1 litre of wort, and use it like a normal starter, but save 2dl.
    – Max
    Aug 25, 2011 at 19:49

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