Substitutes for mined gerstley borate: Offers a sustainable alternative for ceramic artists
Preserves chemistry and working properties: Maintains the original performance of gerstley borate blends
Promotes early fusion: Enhances glaze application and results
Easy 1:1 substitution: Simplifies the process for adjusting ceramic recipes
Summarized by Shop
A substitute for mined-out Gerstley borate, a naturally occurring source of boric oxide, promoting early fusion. It is a blend of the same minerals proportioned to preserve the chemistry and working properties of Gerstley Borate. Use it as a 1:1 substitute. Testing first to compare fired results is recommended; some glazes may need minor
