Along with the main food, birds need to be constantly supplied with grit due to certain peculiarities of their digestive system. Organic and inorganic ingredients help to grind hard seeds in the muscular stomach of birds and serve as an additional source of calcium, phosphorus, sodium and other mineral substances.
The mixture has to be poured in a separate feeder or spread at the bottom of the birdcage.
It is recommended to freshen the mixture regularly, at least once a week.