How Can You Tell If Sourdough Starter Is Bad. The stiff starter above was left out at room temperature for two weeks. 4 Yeast diversity.

So you can only kill it in two ways. 14 Last Updated. Stir until evenly combined and scrape down the sides of the jar.
You dont ever need to throw out your sourdough starter.
A sourdough starter is filled with naturally occurring yeast. Here are a few tips aside from following my sourdough starter recipe to help to keep it active. If you note that the volume has doubled four hours after feeding it your starter should be ready for baking. The variations in the types of yeast you can get are practically infinite.

