Versele Laga Prestige Grit with Coral is a tried & tested mixture of oyster shells grinding stones seashells redstone & charcoal. All of which are an essential food supplement for caged birds as it provides minerals & trace elements as well as acting as the teeth of a bird in their crop.
Analytical constituents
Crude ash 98.5% Calcium 23% Phosphorus 0.02% & Sodium 0.15%