... , industrial and municipal cleaning water system and swimming pool.The solid HEDP•Na4 is white powder, soluble in water, easily deliquescence ... , Cu and Zn ions, it can dissolve the oxides on metal surface, it has good scale and corrosion inhibition effect under 250 ... Drum, IBC drum can also be used as required. For solid: inner liner polyethylene (PE) bag, outer plastic woven bag, or ...