Mineral bell Calcium Iodine. Mineral feed for birds. The mineral bell provides the mineral elements essential to the well-being of birds, including calcium and iodine. Composition: calcium sulphate, calcium carbonate, calcium iodide, ground cuttlefish bone, salt, ferrous sulphate, zinc sulphate, copper sulphate, sodium selenate, cobalt sulphate, natural and artificial flavourings. Analyticals constituents: sodium 25%, calcium 35%, iodine 0.5%, phosphorus 0.01%. Instructions for use: make sure that your pet has permanent access to the mineral bell and to fresh water.