Is your sourdough starter struggling? Here are the 3 most important things you should be doing. But first be sure to hit the follow but for more sourdough tips & tricks and troubleshooting! 1. Your starter needs to be warm. A warm starter is a happy starter. 77-85F. You can put it in the oven with the light on for short periods of time, microwave water and then place the starter in there, place near a heating vent, or I use the seedling heat mat wrapped loosely around the jar and it works like a