You can descale any size pipe without taking it out of service with Chemstream Scale-Away. Whether your scale is Calcium Carbonate, Calcium Sulfate (gypsum) or Iron Oxide Sludge, Chemstream Scale-Away scale removers can get the job done over a prescribed period of time. Usually, the injection will take 60 - 90 days at the proper dosage rate. Initially, scale will need to be analyzed in order to choose the right chemistry. At that point, a plan can be injected to set-up the logistics of injection.