Pro-Cure&';s custom milled borax is super fine and coats evenly to prevent caking and cracking, while an additional 5% of moisture is added to make dry eggs are a thing of the past. Becoming a staple to steelheaders, and those who cure their own eggs, you get a very important additive with results you&';ll love everytime. Custom milled borax Super fine granule Coats well without caking Has an additional 5% moisture added to it so it won&';t over dry eggs Available in plain white, and 4 hot fluorescent colors A very important additive when custom curing your eggs with either the Wizard, or Pro-Cure powdered egg cure Add 1/4 cup to 1/2 cup of borax to 12 ounces of egg cure, and get results you loves.