- A fairly successful substitute for the discontinued Gerstley Borate, which was a powerful flux, increasing glaze color and gloss. As with all Gerstley Borate substitutes, testing, testing, testing is the order of the day.
- WARNING: Contains free crystalline silica, which could lead to silicosis or other lung diseases after very long exposure. IRAC has classified crystalline silica as a carcinogen, based on evidence of carcinogenicity in experimental animals and limited evidence of carcinogenicity to humans. Wear a NIOSH approved respirator. For further information, contact: Rovin Ceramics at 734/424.3345