⭐️ Even Silkie chickens are eating it heartily! It's natural calcium that you can give with confidence, resulting in strong eggshells. 【Product Features】 Made with domestic oyster shells ⭐️ Contains natural marine minerals to maintain chicken health ⭐️ Improves eggshell quality, making the shells harder ⭐️ Easily dissolves in water for good absorption ⭐️ Lightweight and easy to mix with feed 【Capacity & Delivery】 Capacity: Approximately 1.8kg (slightly more than stated) Comes in a stock bag and is delivered via Yu-Packet Post Can be mixed directly into feed upon arrival 【Usage Ideas】 Mix with feed for daily calcium supplementation Add to water dispensers or tea bags for mineral supplementation Can also be used for water quality management in aquariums