Crafted from amorphous silica, the shell's fossilized form ensures resilience against liquid dissolution. Embracing a tubular design with porous walls, it absorbs moisture, serving as an anti-caking agent. Perma-Guard Fossil Shell Flour®: OMRI listed, Certified Kosher, and a trusted aid in organic certification. Enhancing grain flow by coating and separating particles, it prevents clumping and ensures smooth feed dispersion, particularly beneficial in sticky feed mixtures like molasses or high-humidity environments.