Water softener salt tablets for water softening purpose.Specifications are as follows :Nacl : 99.50%, ca : 0.05%, mg : 0.05%, insoluble : 0.19%Tablet size :Height : 10-12mm, dia : 22mm round shape weight : 10gm each tablet.us - vidishaexports@gmail,comWe can arrange packing as per buyers requirement.