Keep your sourdough culture thriving with the NutriMill Sourdough Warmer, designed for bakers who know that consistency is everything. Unlike makeshift setups that leave your starter at the mercy of drafty kitchens, this warmer provides stable, even heat from either the bottom or the sides so your starter stays active and reliable day after day, maintaining an ideal temperature range between 90–100°F. Crafted from durable food-safe silicone, the warmer flexes to fit most jars and containers. Velcro bands make side heating simple and secure, while its compact size (5 7/8" wide x 6" high) tucks neatly onto your countertop without hogging space. Whether you’re a beginner nurturing your very first culture or a seasoned sourdough pro, you’ll appreciate the confidence of knowing your starter is always in the sweet spot for fermentation. The charging cord and block are included, so you can plug in, set up, and start feeding your starter right away, no extra gadgets needed. Why Bakers Love It: Precise temperature stability keeps your starter strong and predictable. Flexible heating options: bottom for gentle warmth, side for faster activity. Compact and countertop-friendly design. Ready to use out of the box with cord and block included. Built to last with high-quality silicone and secure Velcro bands. Bring consistency, convenience, and peace of mind to your sourdough ritual. With the NutriMill Sourdough Warmer, every loaf begins with a happy starter.
