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Amber
Reviewed in the United States on May 24, 2025
This sourdough starter warmer does its job overall — it keeps my starter active and bubbly, and the wide temperature range and timer settings are great features. I also really appreciate that it comes ready to use with a USB cord and adapter, and the graphene heating seems efficient and safe. The larger heating surface fits my glass jar perfectly, and the auto on/off is a big plus for hands-off fermentation.That said, the temperature readings are definitely odd. The actual temperature runs about 15°F hotter than what you set it to. So if I set it to 70°F, it’s actually heating to around 85°F. The manual does mention this, but it still feels like something that should’ve been calibrated more accurately.Despite that quirk, it still works well once you figure out the offset. Just keep the discrepancy in mind and adjust your target temp accordingly. It’s a useful tool for bakers who need a consistent warm environment, and I’d still recommend it with that one caveat.
AJ
Reviewed in the United States on May 20, 2025
The absolute worst part about doing homemade sourdough is trying to keep your starter at the correct temperature and this helps with that a lot. I have a different style of warming mat but it only has three settings, unlike the options provided by this model. This one also has a nice display that is easy to read. It is also fairly thin and easy to store. A must-have for bakers.
Sydney
Reviewed in the United States on May 17, 2025
This sourdough warmer is perfect if your home runs on the cooler side like mine. My kitchen especially tends to be cooler than is optimal for sourdough starters and since using this warmer I've seen more consistent rises. I love that you have full control over the temperature and that you can set a timer as well so it doesn't have to be left on constantly. Its very nice and compact in size as well; it does not take up a lot of space on my counter at all. The power cord is also a very decent length, which I appreciate. I definitely recommend this for anyone whos on their sourdough journey!
Swatninja
Reviewed in the United States on May 1, 2025
This starter warmer is perfect for my sourdough starter! Simple design, easy to use, and the exact size of my jar it is so satisfying! Keeps the temperature perfectly. I've double-checked with my instant-read thermometer several times it was spot on!
Rocio De Julian
Reviewed in the United States on April 5, 2025
This warmer is an absolute game changer. I have had so much success with my sour dough starter with the consistent tempatures. Excellent product
Danish5th
Reviewed in the United States on April 25, 2025
Works well to keep my starter at a consistent temp regardless of the house temp during the colder months, resulting in better rise for my breads. Easy to set, and with a large enough plate for my starter jar. An excellent tool for sourdough enthusiasts.
PaulD
Reviewed in the United States on April 24, 2025
This is sold as a sourdough starter warmer, which it is, but it can also be sued for keeping other foods warm up to about 95 degrees F. However, I did order it as a sourdough warmer as I recently got into sourdough. And, I've already run into a recipe that called for keeping the starter warm and didn't have a good way to do it. It's very simple to use, but note that it is not battery operated but must be plugged into a USB (included in the box) during use.
Kevin
Reviewed in the United States on April 23, 2025
Get this sourdough starter warmer for my wife. It is just what she looks for.The heating area is large and can accommodate glass container on the market.The area is smooth easy to clean. It heats up quickly and maintains constanttemperature through out the process. My wife uses it for sourdough but I useit more often than her. I found that it can also be used to easily ferment natto.I am having a new batch of natto every week. I read the instruction that it canbe used to ferment cheeses. I got to try that some day.
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