What It Means When Sourdough Bread Is 'Ripe' - Chowhound

A ripe sourdough starter is teeming with life, which leaves signs for both your eyes and your nose. The gasses emitting from the yeast will create a rush of bubbles in the starter that cause it to swiftly increase in volume. A ripe starter can double in size within just four hours of feeding. To check that your sourdough starter is ripe, look for a generous amount of bubbles throughout, as if it's carbonated.…