100% Flaked Oyster Shell: Made with only fine flaked oyster shell—no seashells or fillers—for a pure, effective calcium supplement. Ideal Flake Size: Uniformly sized flakes make it easy for chickens and ducks to consume and absorb, with no large chunks or pebbles. Low-Dust Formula: Minimizes waste and mess with a clean, low-dust blend that ensures more product gets used. Supports Egg Health: Provides essential calcium to promote stronger eggshells and overall health in laying hens and waterfowl. Trusted Quality: Sourced from Pacific Pearl, a leading name in oyster shell calcium since 1906, known for unmatched purity.