Mixed Bird Grit & Pigeon Grit:
Pettex Bird Grits contain all of the right graded ingredients to maintain good health, aid digestion and increase vitality in all types of birds, ingredients include;
Flint Grit - Insoluble and acts as a grinding agent in the gizzard to enable complete digestion.
Limestone Grit & Crushed Sea Shells - Soluble and have a high content of Calcium which is an essential element in the diet of all birds. 
Charcoal - Included for sweetening of the crop.