PLEASE NOTE: Pick Up in Store Only Blue Shield Stain & Scale – Pool Stain and Scale Inhibitor Blue Shield Stain & Scale is a powerful dispersant and scale inhibitor designed to prevent and control unsightly stains and mineral buildup in pools. Formulated to target deposits caused by calcium, magnesium, copper, and iron, this treatment helps maintain clean, clear water and protect your pool surfaces. Regular use helps reduce scale formation, scum buildup, and corrosion in heating equipment, while also preventing filter clogs. By protecting your pool’s key components—like the heater, pump, and filter—Blue Shield Stain & Scale extends their lifespan and keeps your system running efficiently. Ideal for routine maintenance, it’s an essential part of any pool care routine.
