CLR® PRO Calcium, Lime, and Rust Remover

Eliminate Stubborn Rust, Calcium, and Lime Deposits on Most Surfaces!

Powerful Formulation Designed for Professional Use

Rust-covered machinery. Bathtubs covered with years of built-up calcium stains. Crusted-over shower heads and faucets-when faced with the toughest mineral and rust stains, reach for CLR PRO!

Effective on a Variety of Surfaces

Formulated for professional use, CLR PRO is a fast and effective way to clean away the hardest calcium and lime deposits, mineral scale, and rust from a variety of hard surfaces, including porcelain, chrome, glassware, fiberglass, stainless steel, grout, and more!

Ideal for Multiple Applications

Use CLR PRO to clean and rejuvenate HVAC systems, swamp coolers, tools, humidifiers, and dehumidifiers. It even removes deposits from coffee pots and glassware! Stubborn, hard-to-clean rust stains on stucco and brick are no match for CLR PRO!

CLR PRO is ideal for use in many industrial and commercial applications as well as healthcare, manufacturing, automotive, energy, government, and hospitality.

Safer Chemistry

Though it's tough on mineral stains and rust, CLR PRO is safe for use on all PVC as well as copper plumbing. It's also septic safe, so you can use it with confidence to clean drains, toilets, urinals, bathtubs, and sinks.

CLR PRO is also part of the EPA's Safer Choice Program recognizing the product as a safer alternative to chemicals. It contains no phosphates, bleach, ammonia, or alcohol.

Note: CLR PRO is not recommended for use on painted surfaces, colored grout, aluminum, etched glass, Formica, natural stone, brass, copper, or certain other metals.