Hey, Kozmo. Caking with powders and blends can happen if there is any moisture at all, even humidity. Make sure to retail store your powders and blends in airtight containers. When your crushed red pepper is hot ample, you can use it to help make a decent very hot sauce. https://sweet-paprika-whole30828.bloggip.com/30891407/5-essential-elements-for-red-chili-pepper-thread