WECK 850 ml Inverted Jar RR100
The WECK 850 ml Inverted Jar RR100 is ideal for larger sourdough starter builds and high-activity fermentation. The wide 100 mm round rim opening allows easy feeding, mixing, and cleaning, while the increased height provides extra capacity for growth.
Recommended for larger sourdough starter builds and high-volume baking.
Made from durable German glass, this jar offers excellent visibility to monitor fermentation activity and dough rise.
Compatible with WECK RR100 glass lids, rubber sealing rings, and stainless steel clips (sold separately).
✔ Extra capacity for active starters
✔ Wide opening for easy feeding
✔ Clear glass to monitor fermentation
For a secure fit you will need:
• 1 × RR100 Glass Lid
• 1 × RR100 Rubber Sealing Ring
• 2 × Stainless Steel Clips
Specifications
Country
Germany
Material
Clear glass
Volume
850 ml
Full brim volume
850 ml
Diameter (outside)
100 mm
Height
147 mm
Weight
375 g
Base shape
Round
Manufacturer
Weck glass and packaging GmbH, Alter Heerweg 2, 53123 Bonn
Order by 4pm Monday to Friday and your order is dispatched the same day.
- Free UK delivery on orders over £50.
- Standard UK delivery: 1-2 working days.
- You will receive tracking by email as soon as your order is dispatched.
30-day returns. You have 30 days from receiving your item to request a return. Items must be unused, with tags, and in the original packaging.
- Approved refunds are issued to your original payment method within 10 business days.
- Starter cultures, perishable goods, custom items, gift cards and sale items cannot be returned.
- To start a return, email support@sourdoughsupply.co.uk. Returns sent without approval cannot be accepted.
Tools chosen by bakers, for bakers
At Sourdough Supply Co. we test every product in our own kitchens before it earns a place in the range. From proofing baskets to precision scoring tools, each piece is selected for durability, function and performance, because great bread starts with the right equipment.
Fast, careful UK shipping
Order by 4pm Monday to Friday and your order leaves our UK warehouse the same day. Standard delivery arrives in 1-2 working days, free on orders over £50. You will receive tracking by email the moment your order ships.
From our kitchen to yours
Sourdough Supply Co. is a small UK team of home bakers. Everything we stock is tested in our own kitchens, and if a tool does not earn its place, we do not sell it.
Questions about your bake? Email us and a real person will reply.
