Natural source of calciumWith beneficial algaeIdeal activity for birdsHelps with the digestion of seeds and grains Coarse mineral block for ornamental birds Contains a balanced blend of minerals and other valuable nutrients to boost your birds natural resistance. The block also gives the birds something to do. It's a natural source of calcium which has a positive influence on the bones. Composition Sea algae lime, mussel shells, oyster shells, stomach grit, ground red clay, calcium, cereals Directions for use Offer freely. Refresh regularly. Store in a cool, dry place. Always provide sufficient fresh water. Natural source of calciumWith beneficial algaeIdeal activity for birdsHelps with the digestion of seeds and grains Coarse mineral block for ornamental birds Contains a balanced blend of minerals and other valuable nutrients to boost your birds natural resistance. The block also gives the birds something to do. It's a natural source of calcium which has a positive influence on the bones. Composition Sea algae lime, mussel shells, oyster shells, stomach grit, ground red clay, calcium, cereals Directions for use Offer freely. Refresh regularly. Store in a cool, dry place. Always provide sufficient fresh water.