Make glass powder in to a clay base.

CMC – Carboxyl Methyl Cellulose

Mix 4 level Tbsp in a jar containing 1 pint hot water. Mix well. Break up large lumps, don’t worry about medium or small lumps, add 1tsp clorox . It is better to be a bit thicker, you can thin with water. Let sit for 1-3 days til cooled. Lumps gone and you have CMC solution.  Mix 1/3 goop to 2/3 glass powder. Play with amounts until desired texture.

Size 88 Gtams / 3.10 oz.