... synthetic marine salts are selected from pure, food grade and contain all kinds of trace elements which found ... 1760017000SO42-(mg/L)2300~24302273Br-(mg/L)20~4056 F-(mg/L)0.7~0.91.1B(mg/ ... elements including, manganese(Mn), barium(Ba), selenium(Se), fluoride(F), zinc(Zn), aluminum(Al), nickel(Ni), cesium(Cs), ... At a temperature of 23-25°C/73-77°F, the specific gravity of the saltwater should range from ...