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Bread Making Tools

Sourdough Starter Jar Set

SKU: BS41404

Sale price$29.90Regular price$39.90
Color: Clear

Make your own sourdough easier than ever with this complete 40oz sourdough starter jar kit 🥖. Every tool you need to grow, track, and care for a healthy starter is included, so you can focus on baking amazing bread instead of guessing your way through the process.


🌟 What’s Included

  • 🫙 40oz wide‑mouth glass jar – Crystal‑clear jar with plenty of space for an active starter to rise, bubble, and breathe without overflowing.
  • 📏 Feeding band – Elastic band you slide up/down and side‑to‑side to track dough level and feeding day/time, so you never forget when or how much you fed your starter.
  • 🌡️ Color thermometer strip – Stick‑on temp indicator that keeps you in the ideal fermentation range, helping your starter stay active and predictable.
  • 🧼 Silicone lid / base – Flexible silicone piece that works as a breathable cover and as a non‑slip base to keep your jar stable and protect your countertop.
  • 🧣 Cloth cover – Breathable fabric cover that lets gases escape while keeping dust and bugs out, perfect for long ferments at room temperature.
  • 🥄 Silicone spatula – Jar‑friendly spatula that scrapes every bit of starter and flour from the sides with ease, making feeding, mixing, and cleaning much simpler.

📏 Capacity & Ease of Use

The generous 40oz jar is sized for serious sourdough baking while still being friendly for beginners.

  • 🥖 Ideal for maintaining a robust starter for regular baking (enough for multiple loaves per week).
  • 📈 Extra headroom means you can comfortably handle big rises without messy overflows.
  • 👀 Clear glass, feeding band, and thermometer work together so you can see, measure, and control fermentation at a glance.
  • 🧺 Designed to pair perfectly with your proofing baskets and baking routines for smooth starter‑to‑loaf workflow.

✅ Baker‑Focused Benefits

  • ✔️ Truly complete kit – No extra gadgets required; everything from tracking tools to mixing tools is in the box.
  • ✔️ Beginner‑friendly – Feeding band and temp strip remove guesswork, making it much easier to keep your starter happy and active, even if it’s your first time.
  • ✔️ More consistent bread – Better control of temperature, feeding schedule, and volume leads to more predictable rise and flavor in your sourdough loaves.
  • ✔️ Less mess, faster cleanup – Wide mouth jar and silicone spatula make feeding and washing quick and tidy.

🧑‍🍳 Ideal For

  • New bakers who want a guided, low‑stress way to start their first sourdough culture.
  • Experienced bakers who are tired of random jars and want a dedicated, organized sourdough system.
  • Home kitchens where sourdough is baked weekly (or daily!) and consistency really matters.
  • Gifting to bread‑obsessed friends and family who dream of their own signature sourdough 💛.

From first bubble to bakery‑worthy loaf, this 40oz sourdough starter jar kit gives you all the tools you need to build, care for, and trust your own starter – so making your own bread feels natural, repeatable, and fun every time 🥖✨.

📝 Product description

Make your own sourdough easier than ever with this complete 40oz sourdough starter jar kit 🥖. Every tool you need to grow, track, and care for a healthy starter is included, so you can focus on baking amazing bread instead of guessing your way through the process.


🌟 What’s Included

  • 🫙 40oz wide‑mouth glass jar – Crystal‑clear jar with plenty of space for an active starter to rise, bubble, and breathe without overflowing.
  • 📏 Feeding band – Elastic band you slide up/down and side‑to‑side to track dough level and feeding day/time, so you never forget when or how much you fed your starter.
  • 🌡️ Color thermometer strip – Stick‑on temp indicator that keeps you in the ideal fermentation range, helping your starter stay active and predictable.
  • 🧼 Silicone lid / base – Flexible silicone piece that works as a breathable cover and as a non‑slip base to keep your jar stable and protect your countertop.
  • 🧣 Cloth cover – Breathable fabric cover that lets gases escape while keeping dust and bugs out, perfect for long ferments at room temperature.
  • 🥄 Silicone spatula – Jar‑friendly spatula that scrapes every bit of starter and flour from the sides with ease, making feeding, mixing, and cleaning much simpler.

📏 Capacity & Ease of Use

The generous 40oz jar is sized for serious sourdough baking while still being friendly for beginners.

  • 🥖 Ideal for maintaining a robust starter for regular baking (enough for multiple loaves per week).
  • 📈 Extra headroom means you can comfortably handle big rises without messy overflows.
  • 👀 Clear glass, feeding band, and thermometer work together so you can see, measure, and control fermentation at a glance.
  • 🧺 Designed to pair perfectly with your proofing baskets and baking routines for smooth starter‑to‑loaf workflow.

✅ Baker‑Focused Benefits

  • ✔️ Truly complete kit – No extra gadgets required; everything from tracking tools to mixing tools is in the box.
  • ✔️ Beginner‑friendly – Feeding band and temp strip remove guesswork, making it much easier to keep your starter happy and active, even if it’s your first time.
  • ✔️ More consistent bread – Better control of temperature, feeding schedule, and volume leads to more predictable rise and flavor in your sourdough loaves.
  • ✔️ Less mess, faster cleanup – Wide mouth jar and silicone spatula make feeding and washing quick and tidy.

🧑🍳 Ideal For

  • New bakers who want a guided, low‑stress way to start their first sourdough culture.
  • Experienced bakers who are tired of random jars and want a dedicated, organized sourdough system.
  • Home kitchens where sourdough is baked weekly (or daily!) and consistency really matters.
  • Gifting to bread‑obsessed friends and family who dream of their own signature sourdough 💛.

From first bubble to bakery‑worthy loaf, this 40oz sourdough starter jar kit gives you all the tools you need to build, care for, and trust your own starter – so making your own bread feels natural, repeatable, and fun every time 🥖✨.

🚚 Shipping Info

Standard shipping: free on all continental US orders.
We mostly ship by USPS First Class or FedEx Ground, depending on the product. Average delivery time: 2-5 working days.

Expedited shipping: $15.95 for one item, $4 for each additional item, free on orders over $120.
Average delivery time: 1-3 working days. Not available for Alaska, Hawaii, U.S. territories, APO or FPO.

Returns: no free returns unless there is a manufacturer defect.

See our full shipping policy

Estimated Delivery: Tue, Nov 10 – Sat, Nov 14

Free standard shipping on all continental US orders

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