Premium Sourdough Starter Jar – 700 ml Custom Glass Fermentation Jar

Elevate your sourdough baking with our custom-manufactured glass starter jar, designed specifically for maintaining a healthy, active starter. This straight-walled glass jar provides the perfect shape for easy mixing and consistent fermentation.

Our specially designed breathable lid keeps contaminants out while allowing optimal airflow — helping your wild yeast thrive naturally. The durable rubber O-ring makes it simple to mark your starter’s pre-expansion level, so you can easily track its growth after each feed.

Jar Capacity: 700 ml (just under 3 cups)
Dimensions (with lid): 5.5" H × 4" Dia
Material: High-quality glass with precision-fit lid and food-safe rubber O-ring
Starter not included

Perfect for sourdough starters, natural yeast cultures, or small-batch ferments, this jar combines function, hygiene, and style — an essential tool for every home baker.

MADE IN THE USA