Yeast Water Project: Day 3 🍇 · Crust & Crumb Academy

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Yeast Water Project: Day 3 🍇

Shook the jar this morning and there it was. Tiny bubbles racing across the surface, gone in a second. Water’s a little cloudier. Grapes are riding higher. No off smells, just clean fruit. 🍎

Day three is the moment. The yeast just punched the clock. There’s finally enough of them in there to make a scene.

Quick teaching points for today:

See that dusty haze on the grapes? Don’t wash it off. That powdery, almost frosted look on the skin is called the bloom. It’s a natural coating of wild yeasts and bacteria that lives on the fruit, and it’s exactly what you’re trying to capture. Rinse if you must, but a gentle one, never scrub. The bloom is the whole point. Wash it off and you’ve thrown the inoculum down the drain.

This is also why organic, unwaxed fruit matters. Conventional grapes are often coated with food-grade wax or treated post-harvest, and that interferes with the wild population you’re trying to grow.

Loosen the lid. Active fermentation means gas needs an escape route. Snug, not sealed.

Size your jar to the recipe. If you’ll use 300g of yeast water in your bake, you need a jar that holds more than 300g of water plus the fruit plus headspace.

Think backwards from the recipe and add a buffer for evaporation and pour-off.

Trust your nose. Fruity, slightly sweet, a little tangy is exactly where you want to be. Solvent, sulfur, or anything sharp tells a different story.

Drop your Day 3 photos below. Let’s see those jars.

Henry ⭐🔥

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