▪ 1 L ▪ For The Prevention Of Metal Stains & Scale Formation In Swimming Pools ▪ Helps Prevent Stains And Scale Build ▪ Up From Occurring And To Aid In Removing Existing Stains And Minerals Such As Iron, Copper, And Calcium ▪ Eliminates Water Discoloration Due To Metals And Minerals ▪ Phosphate Free ▪ Mfg #27106C62PP ▪ "Case Of 12"