Dirt or soil, even sand is not GRIT. Grit is an insoluble substance like granite, flint, quartz, etc.
It needs to be insoluble because if it is not the stomach acids in the gizzard will quickly dissolve your faux grit and it will do your hen no good what so ever.
It needs to be insoluble because if it is not the stomach acids in the gizzard will quickly dissolve your faux grit and it will do your hen no good what so ever.
