Bake Better Sourdough. Start Here.

Every great sourdough loaf starts with a healthy, well-maintained starter — and the right jar makes all the difference. The GTERUKM glass fermentation jar is designed specifically for sourdough bakers who care about precision and craft. With a wide mouth for easy feeding and cleaning, clear glass for monitoring fermentation activity, and a lid to protect your starter, it’s the essential vessel for your sourdough journey.

Why You'll Love It

• Clear glass body — watch your starter rise and bubble in real time; no guesswork
• Wide mouth opening — easy to feed, stir, and clean without mess
• Lid included — keeps your starter fresh and protected between feedings
• Food-safe glass — non-reactive, odour-free, and free from harmful chemicals
• Versatile — also great for storing dried fruits, nuts, and other pantry staples
• 3 sizes available — choose the right capacity for your baking routine

Perfect For

Sourdough starters, wild yeast fermentation, artisan bread baking, and storing dry goods. A thoughtful gift for home bakers and fermentation enthusiasts.

Available Sizes

• 300ml — approx. 6.7 × 12.5cm (compact, ideal for small batches)
• 600ml — approx. 8.9 × 15.6cm (popular everyday size)
• 800ml — approx. 10.3 × 15.5cm (great for larger starters)

Specifications

• Brand: GTERUKM
• Material: Food-safe glass
• Opening: Wide mouth
• Food contact safe: Yes
• High-concern chemicals: None

Package includes: 1 × GTERUKM glass sourdough starter jar with lid