Rust-Oleum 20223 Whink RUSTGuard Rust Prevention Toilet Treatment, 4 oz.

Rust-Oleum Whink RUSTGuard Rust Prevention Toilet Treatment, 4 oz.

Rust-Oleum's Whink RUSTGuard is a 4 oz. toilet bowl and reservoir treatment formulated to stop rust and hard water build-up with every flush. Unlike chlorine bleach cleaners, this unique formula contains no acids, caustics, chlorine bleach, phosphates or dyes, so it won't attack plumbing surfaces over time. It is safe on all plumbing and septic systems and won't harm pets, making it a practical choice for homes, rental properties and facilities dealing with rust staining and mineral scale in toilet tanks and bowls. This listing covers the 4 oz. size; RUSTGuard is also available in a 12 oz. size for larger households or longer-interval maintenance.

Key Features

• Size: 4 oz. bottle.
• Rust & Hard Water Prevention: Prevents the formation of rust and hard water build-up in the toilet bowl and reservoir with every flush.
• Formula: Contains no acids, caustics, chlorine bleach, phosphates or dyes.
• Plumbing-Friendly: Won't attack plumbing the way chlorine bleach cleaners can.
• Septic Safe: Safe on all plumbing and septic systems.
• Pet Safe: Won't harm pets.
• Also Available: 12 oz. size for extended use.

Technical Specifications

• Size: 4 oz.
• Refer to manufacturer documentation for complete technical specifications.

Typical Applications

• Residential toilet bowls and tanks prone to rust staining.
• Homes on well water with hard water mineral build-up in reservoirs.
• Rental properties and facilities needing a non-bleach, plumbing-safe bowl treatment.
• Households with septic systems that require septic-safe cleaning products.
• Pet-friendly households wanting a safer alternative to harsh bleach-based bowl cleaners.

Why Rust-Oleum?

Rust-Oleum brings its rust-prevention expertise into the bathroom with Whink RUSTGuard, a formula built to stop rust and hard water build-up without the acids, caustics, chlorine bleach, phosphates or dyes found in many bowl cleaners. Because it's safe on all plumbing and septic systems and won't harm pets, it offers a gentler, every-flush approach to keeping toilets rust- and scale-free.