Jack's Magic The Blue Stuff, 32 oz protect and maintain your pool's beauty with this advanced formula designed to tackle stains and scale.

• Copper Removal: Effectively eliminates copper, preventing unsightly stains.
• Versatile Application: Ideal for quartz aggregate finishes and safe for all pool surfaces.
• Start-Up & Maintenance: Perfect for new or older pools, ensuring long-lasting clarity.
• Scale Prevention: Helps maintain balanced water while preventing scale buildup.