Baytoot Sourdough Starter Jar Kit 33oz – Wide Mouth Sourdough Fermentation Jar, Upgraded 2026 Sour dough Container Reinforced Thick Glass Base, Airflow Lid, Feeding Tracker & Thermometer (White) — Open-Box, 25% Off

Wide-Mouth Design for Easy Access: The large opening makes it simple to feed, mix, and monitor your sourdough starter, streamlining the fermentation process.

Our upgraded 2026 sourdough container features a stronger, thicker glass bottom for improved durability and everyday mixing—designed to reduce breakage and provide long-lasting use.

PATENT PENDING DESIGN – Our innovative rotating day tracker ring and removable silicone sleeve are part of a patent pending system designed to simplify sourdough feeding and tracking.

Air Control Lid for Optimal Fermentation: Unlike traditional jars with cloth covers, our lid allows you to control airflow—open for fresh air and closed for storage, keeping dust and pathogens out while preventing starter from drying.

Complete Sourdough Kit: Includes everything you need for hassle-free sourdough making—a non-reactive glass jar, silicone spatula, thermometer, and air control lid—making the process simple and efficient for beginners and pros alike.

Better Fermentation & Easy Tracking: The silicone sleeve blocks sunlight and maintains warmth for perfect fermentation, while the rotating lid with day markers helps you easily track feeding times.

Effortless Cleaning: All parts, including the jar, lid, sleeve, and spatula, are dishwasher safe. The wide-mouth design also allows for easy hand cleaning and regular dough monitoring.

Start your sourdough journey with our Sourdough Starter Jar Kit! Designed for beginners and pros alike, this sourdough sourdough kit includes everything you need to cultivate and maintain your starter with ease. The wide-mouth sourdough starter jar glass provides ample space for mixing, scraping, and growing your dough. Its non-reactive glass material ensures the dough's flavor stays pure. The jar is wrapped in a non-slip silicone sleeve that blocks sunlight while keeping the sourdough at the right temperature for fermentation. We continually refine our products to better serve home bakers. Our newest Baytoot sourdough starter jar now features a thicker, reinforced glass base, offering improved durability and stability without changing the size, fit, or functionality you love. With a rotating lid featuring feed day markers, you'll never forget when you last fed your sourdough starter, while the erasable marker helps you track the dough’s growth. This sourdough jar kit also includes a built-in thermometer to help maintain optimal dough temperature, ensuring perfect results every time. All components of the sour dough starter kit, including the silicone spatula for easy mixing and scraping, are dishwasher safe, making cleanup a breeze. No more messy cloth covers—this Adjustable Lid for Airflow Control design prevents bad odors and dirt from going in. Whether you're searching for a sourdough starter kit for beginners or simply need sourdough baking supplies, our jar kit is the ideal solution. It's also an excellent gift for anyone passionate about homemade bread and baking!