Description
xStable warmth for your home fermentation journey
The POLIBY Sourdough Starter Warmer Mat is a compact, kitchen-ready solution designed to cradle your starter in a gentle, even glow. By maintaining a consistent environment in the 70–100°F range, it supports steady activity and a reliable rise without temperature swings or guesswork. This is warmth you can depend on as you feed, mix, and watch your dough evolve day after day.
Key benefits at a glance
- Precise and stable heating within 70–100°F for predictable fermentation activity.
- 24H timer and memory function help you set-and-forget while you focus on other tasks.
- Built-in thermostat with 1°F control for nuanced warmth, not just a heater.
Out-of-the-box readiness
Unlike some mats that require extra accessories, this model ships with a dedicated power adapter for stronger, more stable heat and safer performance. You can plug in and begin warming your jar right away, with confidence that the heat source is designed for kitchen use.
Safe, energy-conscious design
- BPA-free materials paired with controlled, low-watt heating keep the routine feel calm and practical.
- Overheat protection and automatic shut-off provide peace of mind for all-day use in busy kitchens.
Set it, forget it, and focus on your bake
Set your target temperature, place the jar on the mat, and let the built-in thermostat maintain steady warmth. The smart memory helps you resume from your last setting, so you can keep fermentation on track with minimal effort.
Versatile warming for more than sourdough
Beyond sourdough starters, the mat is suitable for bread and pizza dough proofing, yogurt making, butter softening, or chocolate tempering. It fits jars up to 40oz, expanding your kitchen uses without clutter.
What’s included and who it’s for
- Power adapter for ready-out-of-the-box operation
- Compact, BPA-free construction designed for safe kitchen use
- Jars up to 40oz accommodated for a wide range of starters and doughs
Care and use
Place the mat on a stable, heat-resistant surface and keep it away from drafts. Regular cleaning with a damp cloth is enough to preserve its exterior shine and performance.
FAQ
Q: What temperatures does the warmer maintain?
A: It maintains a steady 70–100°F range for fermentation-friendly warmth.
Q: What is included and compatible with jars?
A: Comes with a dedicated power adapter; fits jars up to 40oz.
Shipping & Return
xReturns Policy
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
Shipping
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
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