CLR - EngineerSupply

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CLR PRO is the ultimate solution for effortlessly removing calcium, lime, and rust stains, leaving surfaces sparkling clean. Manufactured in the USA.
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CLR Features

Powerful formula.

Versatile application.

Fast-Acting solution.

Industrial strength.

Environmental friendly.

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CLR PRO is a trusted choice among professionals for its proven track record in effectively removing tough stains. Its industrial-strength formula ensures powerful and efficient cleaning, effectively tackling calcium, lime, and rust deposits. It also offers fast results, saving you time and effort while delivering exceptional cleaning performance that keeps surfaces renewed and pristine.


With EPA Safer Choice certification and NSF registration, you can trust the safety and effectiveness of our product. From industrial applications, commercial dishwashers, sinks, and showerheads to toilets, washing machines, HVAC systems, faucets, and even glassware, CLR PRO is the ideal solution for removing stubborn stains. So experience the power of CLR PRO Calcium Lime and Rust Remover, available at Engineer Supply, and say goodbye to tough stains for good.

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Rust stains can be a persistent eyesore that ruins the appearance of your surfaces, but at Engineer Supply, we have the solution for you. Whether outdoor furniture or metal fixtures, CLR PRO, recommended by Engineer Supply, is the go-to choice for banishing unsightly rust stains. Don't let rust compromise the aesthetic appeal of your surroundings any longer and enjoy impeccable surfaces that look as good as new.


We understand the frustrations of dealing with tough stains at Engineer Supply, so we proudly recommend CLR PRO. Trusted by professionals worldwide, it is our top-of-the-line calcium lime and rust remover renowned for its industrial strength and fast-acting formula. No matter if you're dealing with rust, lime, or calcium buildup, CLR PRO, with its versatile application, is specifically formulated to cut through the toughest stains easily, leaving surfaces sparkling clean and revitalized.

At Engineer Supply, we present CLR PRO, the definitive solution for calcium lime and rust removal. As a highly effective CLR cleaner, it swiftly erases the toughest stains, leaving no trace of rust behind. Experience the cleaning prowess of CLR PRO and transform your surfaces with ease.

Frequently Asked Questions

How does CLR work?

CLR PRO utilizes its fast-acting formula to penetrate and dissolve calcium, lime, and rust buildup. It effectively breaks down the stains, allowing easy removal and revitalizing surfaces.

Is CLR safe to use?

Yes, CLR PRO is safe to use when used as directed. However, it is always recommended to follow the instructions and take necessary precautions, such as wearing protective gloves and ensuring proper ventilation during use.

Where can I purchase CLR?

CLR PRO calcium lime and rust remover, also known as CLR cleaner or CLR rust remover, is available at leading retailers and online stores. We highly recommend visiting Engineer Supply. As a trusted provider of cleaning solutions, we offer high-quality products, including CLR PRO. You can conveniently find CLR PRO calcium lime and rust remover at Engineer Supply's online store or contact our team for assistance in selecting the right product for your specific needs.

How long does CLR take to work on stubborn stains?

CLR PRO's fast-acting formula typically shows significant results within 2 to 3 minutes of application. However, please note that the exact time may vary depending on factors such as the severity of the stain, the type of surface, and the specific application method. It may require a slightly longer exposure time or gentle scrubbing to achieve optimal results for heavily built-up or stubborn stains.

Is CLR environmentally friendly?

CLR PRO holds the EPA Safer Choice certification, indicating that it meets strict environmental standards. The formulation of CLR rust remover is designed to minimize its environmental impact while still delivering powerful cleaning performance.

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