Shell grit

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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[1] and in aquariums.


  1. ^ Snails, Shell grit & Liliums - Gardening in Oz Forum - GardenWeb Archived February 5, 2012, at the Wayback Machine.

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