A jam jar may be enough to get started – but a borosilicate glass jar is by far the better choice for your sourdough starter. It is temperature-resistant, crystal-clear, hygienic, easy to clean, and perfect for daily use. This blog post highlights the clear advantages. That’s why our Sourdough Starter Set includes a high-quality borosilicate glass jar – because your starter deserves more.

Professional Technique Meets Crustelio Starter Kit With the Crustelio Starter Kit, you receive all the tools you need for successful sourdough – from the heat-resistant glass jar to the marking pen and temperature strip. Combined with proven expert tips such as rye flour blends, optimized feeding plans, temperature management, and maturity tests, you’ll have a solid method that makes your starter reliable, strong, and ready for baking.