feed kelp powder is natural seaweed feed Product Name: Natural feed seaweed powderNatural feed seaweed powderis produced from sea green kelp plant and is of great feed value. It contains rich mineral elements such as iodine, potassium, calcium, manganese, ferrum and zinc, and also contains rich vitamins, algae gum acid, mannitol, etc, which the land plant can't provide. Natural feed seaweed ...