... iron(Fe), rubidium(Rb), manganese (Mn), barium (Ba), selenium ( Se), fluoride (F), bromine (Br), lithium (Li), zinc (Zn), aluminum (Al), ... contaminants. After many years of accumulated experience, Qingdao Sea-Salt Aquarium Technology Co., Ltd. has formed a complete service ... test water samples of our clients and produces sea salt products according to the clients freshwater sample features. According ...