Poultry grit is essential if you are keeping chickens. Without it, they may be unable to digest their food. There are many types of grit on the market, but they fall into two main groups — soluble and insoluble. If you are unsure which sort you should be buying, here is a quick guide to each type.
Insoluble grit
The first main type of grit is insoluble. This means that it doesn't break down inside the bird's stomach.