... mineral elements such as iodine, potassium, calcium, manganese, ferrum and zinc, and also contains rich vitamins, algae gum acid, mannitol, etc ... elements such as iodine, potassium, calcium, manganese, ferrum and zinc, and also contains rich vitamins, algae gum acid, mannitol, etc ... can make good influence on the growth of fish and shrimp and prevention of illness.Due to seaweed powder contains brown ...