⭐️ Even Silkie chickens are eating it heartily! It's natural calcium that makes eggshells strong, so you can give it with peace of mind. 【Product Features】 Made with domestic oyster shells ⭐️ Contains natural marine minerals to maintain chicken health ⭐️ Improves eggshell quality, making eggshells harder ⭐️ Easily dissolves in water and is easily absorbed ⭐️ Lightweight and easy to mix with feed 【Capacity & Delivery】 Capacity: Approximately 1.8kg (a little extra is included) 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