Ingredients

Ingredient Amount
Gerstley Borate 38.00
Lithium Carbonate 10.00
Nepheline Syenite 5.00
EPK Kaolin 5.00
Silica 42.00
Add Amount
Rutile 4.00
Zircopax 4.00
Cobalt Carbonate 0.25
Granular Ilmenite 1.30

Instructions

The speckles in this glaze come from granular ilmenite, simply exclude that ingredient, and it will be an "unspeckled" glaze.

Published in "Mesh Size" by John Britt, in the Oct 2011 issue of Ceramics Monthly.
Adjusting the amount of granular ilmenite will affect the amount of speckling you get.