Bone Ash (Ca5(PO4)3OH ) is a secondary flux which generally acts as an opacifier in glazes. Can cause crawling and blistering.
2PCS Leather Working Tool Bone Folder For Leather Craft Scoring Folding Creasing
Jacquard Soda Ash Fabric Dye Fixer CHM2007 for Reactive Dyes and Procion MX 5lb
Jacquard Soda Ash Dye Fixer, Pre Soak Treatment for Tie Dye Fabric, Colour Activ
