Colombine Grit + Redstone contains stomach gravel, silex stones, oyster shells, seashells, redstone and charcoal. Stomach gravel and silex stones are the pigeon's teeth.

• With silex and gastric grinding stones, source of minerals and trace elements
• Promotes an optimal digestion and produces solid droppings
• Very well ingested and also contains aniseed

Composition:Redstone, seashells, oyster shells, limestone, stomach gravel, flint, charcoal, anise (0.2%)

Analytical constituents: Crude ash 98.5% (ash insoluble in HCl 41%), calcium 23%, sodium 0.15%, phosphorus 0.02%, lysine 0%, methionine 0%