J.McMahon & Sons Medium Shell Grit Size:2 KG Dissolve it in water and

Dissolve it in water and apply to the roots or as a foliar spray

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adjusting for your hens' age

and offer shell grit or a calcium source separately for strong eggshells

J.McMahon & Sons Medium Shell Grit Size:2 KG Dissolve it in water andJ. McMahon & Sons Medium Shell Grit: Calcium & Grit Supplement for Poultry and Parrots Shell grit is one of those basics that quietly makes a big difference to a flock. Made from crushed shell, it's a premium breeder's quality mineral and calcium supplement, and it does two jobs at once: it supplies the calcium birds need, and it helps them break down the food they eat. This is the medium grade, sized for poultry and most medium to large parrots.