The starter is so alive you can actually hear it. Recipe in the comments. Not everyone approves of this recipe, but I got it in a 1960s cookbook and it has never failed me. #FBLifestyle #SourdoughStarter #VintageRecipes. | PastTimecook

Float test - a super quick & simple way to check if your starter built enough carbon dioxide and is ready for mixing your dough. Just take a tablespoon and drop it in a bowl of warm water. If most of it is floating on the surface, you’re good to go! How long it takes for your starter to become active after feeding hugely depends on the temperature, so never rely on just a certain amount of time, but look for visual cues (doubling in volume, bubbles all through the surface), smell (nice and acidi