Glass Sourdough Warmer Dome for Sourdough Starter Warmer – Insulating Cover for Fermentation Jars up to 40oz,Dome Dimensions: 9.05" * 5.12" (Dome)

Perfect your sourdough fermentation with our premium borosilicate glass dome. Designed to work seamlessly with most heating mats (sold separately), it creates an ideal microclimate by locking in heat and humidity for even, consistent starter growth. The spacious interior (9.05‘’ x 5.12‘’) accommodates most 24oz–40oz jars, while crystal-clear visibility lets you monitor bubbles and rise without disruption. Crafted from non-toxic, heat-resistant glass, it’s both durable and easy to clean—by hand or dishwasher. Compatible with most popular heating mats (check sizing for optimal results). Backed by secure packaging and US-based customer support for a worry-free experience.

• 【Create the Perfect Fermentation Environment】Designed specifically for use with sourdough heating pads, this sourdough dome effectively locks in critical heat and humidity, ensuring even heating and creating a stable, ideal microclimate for your sourdough, promoting a sustained, healthy fermentation.
• 【Spacious and Versatile】With a spacious design (approximately 5.12'' in diameter and 9.05'' in height), our glass cover perfectly fits most popular fermenters from 24oz to 40oz (approximately 700ml to 1200ml), making it a versatile addition to any baking enthusiast's kitchen.
• 【Premium heat-resistant glass】Made from high-end, lead-free, and BPA-free heat-resistant borosilicate glass, it's not only durable and heat-resistant, but also boasts exceptional clarity. Easily monitor your starter's fermentation status and bubbling activity without having to remove the lid, thereby avoiding disturbing its ecosystem.
• 【Compatible with most heaters】The sourdough warmer dome works seamlessly with many leading brands of starter heaters on the market. For optimal results, we recommend confirming the heater's heating zone diameter and the height of your fermenter before purchasing.
• 【Easy to clean】Designed for everyday use, the smooth glass surface resists stains. It's both hand-washable and dishwasher-safe, making it incredibly convenient and allowing you to keep your baking area clean and hygienic with minimal effort.