Should Leaven Be Covered?

You want to cover it mostly to prevent anything from inadvertently falling inside the jar, but it also helps prevent the mixture from drying out.

Should I cover my levain?

Loosely cover and leave at room temperature for another 24 hours. Check if your levain is ready to use. It should be light, bubbly, and fluffy, and have a pronounced fermentation aroma without any acidity.

Should sourdough starter be covered?

While the temperature and surroundings of a starter are crucial to its outcome, the sourdough starter does not need to be sealed in an airtight container. It's still helpful to cover the starter with some sort of a lid, to prevent any mess from ensuing (via The Perfect Loaf).

Alexander Ross

Alexander Ross

Gaming, Esports & Interactive Media Writer

Alexander Ross has covered the video game industry for a decade, writing deep dives on game design, esports tournaments, VR developments, and gaming culture.