Shell grit is coarsely ground or broken seashells. It is used, among other things, by birds as a source of calcium for egg shell production, and to aid digestion. Other uses include protecting plants from slugs or snails and in aquariums.
Shell grit is coarsely ground or broken seashells. It is used, among other things, by birds as a source of calcium for egg shell production, and to aid digestion. Other uses include protecting plants from slugs or snails and in aquariums.