Hey, Kozmo. Caking with powders and blends can occur when there is any dampness at all, even humidity. You'll want to keep your powders and blends in airtight containers. This Internet site may have affiliate one-way links and advertising and marketing making sure that we can offer recipes for you. https://sweet-paprika-whole62780.activoblog.com/32047104/5-simple-techniques-for-chili-powder-sweet-paprika-powder