How to Stop Pinholes in Glazes

One of the most infuriating and persistent problems in ceramics is pinholing. It goes by many other names including, eggshell, orange peel, dimples, pigskin, bubble defect, and larger pin-holes are called blisters or craters.

If you have been potting for any length of time you have experienced the heartbreak of pinholing glazes. There is nothing worse than opening your kiln and seeing half of it covered in tiny razor sharp pinholes. This is usually followed by extensive online research, as well as reading one of the hundreds of articles or books on glaze faults. Then, after attempting a solution, you open the next firing and it is, again, totally covered in pinholes.

33 pages.