$10.27 – $308.00Price range: $10.27 through $308.00
Out of stock
Gerstley Borate Blend is a sodium-calcium-borate compound used as a low and mid-range glaze flux. This is a conglomerate mineral made up primarily of Colemanite, Ulexite and Hectorite.
1 lb, 5 lb, 25 lb, 50 lb
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