Grinding Wheels Smithy

May 13, 2012 I want to make one of those large old wet grinding wheels (a bit smaller than those used to sharpen axes.) So I started doing research on this site and on the web to find several different recipes. This is what I have found. 1. Watered down shellac mixed with sugar (crystals) and 1000 grit silica (foundry). Wash out sugar in bath after air dry. 2.