Pro Products Poly-Guard GP63N Scale & Rust Preventer Crystals - 3 lb Refill

Pro Products Poly-Guard Scale & Rust Preventer Crystals provide extended-release protection against scale, rust, corrosion, and staining in water systems. The controlled-release crystal formula helps reduce mineral buildup and iron-related staining while protecting plumbing, fixtures, appliances, and equipment.

Poly-Guard Crystals help form a protective coating on metal and plastic surfaces to reduce scale buildup, corrosion, and copper leaching. They are suitable for residential, commercial, and light industrial water treatment applications.

Features

• 3 lb refill
• Helps prevent hard water scale and rust staining
• Provides extended-release scale and corrosion control
• Helps reduce mineral buildup and iron-related staining
• Helps form a protective barrier on metal and plastic surfaces
• Helps reduce corrosion and copper leaching
• Suitable for residential and commercial water systems
• Can be used in applications including plumbing systems, boilers, cooling towers, and geothermal systems
• Controlled-release crystal formulation
• Designed for ongoing scale, rust, and corrosion protection