How specificly do these jars work as a sourdough starter jar?

The fact that the mouth of the jar is larger makes it easier to add the flour and water during the "feeding" process. It has two different lid options. When I store in the refrigerator for a week, I use the plastic lid. I have shared my starter with friends and put it in these jars and use the glass lid with the clips so it is more secure on the trip to their home (I also give the plastic lid for when they store in the refrigerator). I sent some to my daughter who is enjoying them for her sourdough starter.

How large is the opening and how tall is the jar?

The jars I purchased are 9cm for the opening and the height of the jar is 15cm.

Can the seal be removed from the lid to allow for gas to escape as the starter ferments?

Don’t use the clips and that will allow for gas to escape

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Weck Jars - 1 Liter - Large Sour Dough Starter Jars - Tulip Jar with Wide Mouth - Suitable for Canning and Storage - 2 Sourdough Jars with (Jars, Glass Lids & Keep Fresh Covers)

Product ID: 278256408

Details

Brand
Weck
Capacity
1 liters
Colour
Transparent
Material
Glass
Material features
Dishwasher

🔒airtight seal with rubber gasket & clips

🧴1L wide-mouth capacity

♻️eco-friendly thick glass, plastic-free

Description

🌿 Elevate your kitchen game with Weck: where vintage charm meets airtight freshness!

SUSTAINABLE STYLISH - Ditch plastic for durable, eco-friendly glass that’s as good for the planet as it is for your pantry.
TIMELESS TULIP DESIGN - Vintage-inspired elegance that elevates your kitchen aesthetic and sparks conversation.
AIRTIGHT SEAL TECHNOLOGY - Rubber gaskets plus stainless steel clips lock in freshness and flavor effortlessly.
SPACIOUS 1 LITER CAPACITY - Perfectly sized for sourdough starters and bulk storage—no more constant refills.
DISHWASHER MICROWAVE SAFE - Designed for modern convenience—clean and reheat without hassle or damage.

The Weck 1-liter Tulip Jar is a durable, eco-friendly glass container designed for versatile home canning and storage. Featuring a wide mouth for easy filling and cleaning, it includes a glass lid, rubber gasket, and stainless steel clips to ensure an airtight seal. Safe for dishwasher and microwave use, this stylish jar is perfect for sourdough starters, pickling, juice storage, and more—making it a sustainable alternative to plastic bottles and a chic addition to any modern kitchen.

Specifications

ASIN	B08JQHVK8M
ASIN	B08JQHVK8M
Best Sellers Rank	#246,681 in Kitchen ( See Top 100 in Kitchen ) #656 in Canning Jars
Brand Name	Weck
Capacity	1 liters
Closure Type	Clip-On
Color	Transparent
Container Shape	Round
Customer Reviews	4.8 4.8 out of 5 stars (1,573)
Customer reviews	4.8 4.8 out of 5 stars (1,573)
Date First Available	9 October 2020
Food Storage Container Airtightness	Waterproof
Is the item dishwasher safe?	Yes
Is the item microwaveable?	Yes
Item Dimensions L x W x H	9.8L x 9.8W x 14.6H centimeters
Item Form	tulip
Item Volume	35.9 Fluid Ounces
Item Weight	3.15 Pounds
Manufacturer	Weck Jars
Manufacturer	Weck Jars
Material Features	Dishwasher Safe, Microwave Safe
Material Type	Glass
Other Special Features of the Product	Air Tight
Package Quantity	1
Product Care Instructions	Microwave Safe
Product Dimensions	9.84 x 9.84 x 14.6 cm; 1.43 kg
Recommended Uses For Product	Canning, Dried pulses, Juice, Leftover food, Pickled vegetables, Sourdough starter
Size	Glass Lids and Keep Fresh Covers
Unit Count	1.0 Count

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