Jack's Magic The Magenta Stuff (Stains & Scale Off) 1qt: Concentrated Pool Stain & Scale Remover 

Eliminate stubborn stains and heavy scale buildup from your pool surfaces with Jack's Magic The Magenta Stuff (Stains & Scale Off). This professional-grade, 1-quart concentrated formula is a powerful preventative and remover for challenging stains caused by high calcium levels, iron, manganese, copper, and general scale deposits. Safe for all pool surface types (plaster, vinyl, fiberglass, aggregate), it works quickly to dissolve existing buildup and helps prevent future accumulation. The Magenta Stuff is a vital component of any pool maintenance routine in hard water areas, restoring your pool's sparkle and protecting expensive equipment. 

Key Features

• Powerful Stain & Scale Remover: A concentrated formula engineered to lift existing heavy scale, rust, and mineral stains from pool surfaces.
• Effective on Multiple Contaminants: Targets stains caused by calcium carbonate, iron, manganese, copper, and general metal/mineral deposits.
• Safe for All Surfaces: Non-acidic and safe for use on plaster, vinyl liner, fiberglass, and all aggregate pool finishes.
• Concentrated Formula: A single quart treats large volumes of water effectively; typically one quart treats up to 20,000 gallons.
• Prevents Future Buildup: Excellent for use as both a treatment and a weekly preventative maintenance product to stop scale from forming.
• Protects Equipment: Sequesters minerals to prevent damage and efficiency loss in heaters, pumps, and plumbing.
• Easy Application: Simply pour the required amount directly into the pool water according to the instructions.