CLR cleaning spray bottle, silver with white trigger, 22 fl oz, labeled for calcium, lime, and rust removal.

CLR Calcium, Lime & Rust Remover spray bottle showing back label with instructions and caution details.

CLR spray bottle, "Dissolves Calcium, Lime, Rust Remover," used on bike, ice maker, fridge, windowsill; 80% plant-based badge.

Gloved hands clean a faucet with CLR spray, wiping and rinsing; steps shown on a blue background.

Girl with golden retriever in bright living room; text: “No phosphates, ammonia, or bleach. Safer alternative.”.

Calcium, Lime, & Rust Remover Spray Bottle

Ready-to-use and convenient for use on vertical surfaces.

Overview

Ingredients

Instructions

Quickly and easily dissolves and removes tough calcium and lime deposits. Can be used on surface stains on windows, siding, refrigerator shelves, ice makers, toilet tanks, tiles, faucet edges, bicycle spokes, sliding door channels, windshield wiper nozzles, and grout.
Ready-to-use and added convenience for use on vertical surfaces.
Part of the EPA’s Safer Choice Program recognizing the product as a safer alternative to traditional chemicals. Contains no phosphates and is septic safe.

What’s great about it

EPA Safer Choice Certified
80% Plant Based Ingredients
100 uses... and counting! Explore How-Tos

For use on

Chrome
Fiberglass
Porcelain
Stainless Steel

Available Sizes22 oz spray bottle

UPC: 0-78291-10419-6, 0-78291-31082-5, 0-78291-50317-3, 0-78291-21083-5, 0-78291-42822-3

Name

CAS

USE

Water

#7732-18-5

Dilutent

Diluent: CAS #7732-18-5. Reverse Osmosis (RO) is a water treatment process that removes contaminants from water by passing the water through a membrane, (filter), where contaminants are filtered out yielding more pure quality water.

Lactic Acid

#79-33-4

Chelating Agent

Chelating Agent: CAS #79-33-4. Lactic acid is found in many yogurts and cheeses. It is also produced in the muscles during intense activity. Commercially, it is produced by fermentation of simple sugars. In cleaning products it functions as a chelating agent; a compound that makes metals more soluble in water. As part of the EPA Safer Choice Program, it has been evaluated and determined to be safer than traditional chemical ingredients.

Gluconic Acid

#526-95-4

Chelating Agent

Chelating Agent: CAS #526-95-4. This ingredient is an acid formed from the sugar glucose, which naturally occurs in fruit, honey and wine. It is a chelating agent; a compound that makes metals more soluble in water. As part of the EPA Safer Choice Program, it has been evaluated and determined to be safer than traditional chemical ingredients.

Lauramine Oxide

#1643-20-5

Surfactant

Surfactant: CAS #1643-20-5. Used in cleaners to modify the surface tension of water, to aid in even spreading and to allow mixing with oil and dirt so that they can be rinsed away; it is included in many soaps, detergents, and several groups of antiseptics. As part of the EPA Safer Choice Program, it has been evaluated and determined to be safer than traditional chemical ingredients.

Tripropylene Glycol n-Butyl Ether

#55934-93-5

Solvent

Solvent: CAS #55934-93-5. Used to slow down the evaporation of many liquid products including oven cleaners and inks for ball-point and felt-tip pens. It is very effective at absorbing organic material. As part of the EPA Safer Choice Program, it has been evaluated and determined to be safer than traditional chemical ingredients.

Yellow No. 5

#1934-21-0

Colorant

Colorant: CAS #1934-21-0. A synthetic lemon yellow dye used all over the world, primarily as food coloring. As part of the EPA Safer Choice Program, it has been evaluated and determined to be safer than traditional chemical ingredients.

FD&C Blue No. 1

#3844-45-9

Colorant

Colorant: CAS #3844-45-9. A blue dye used for foods and other substances. As part of the EPA Safer Choice Program, it has been evaluated and determined to be safer than traditional chemical ingredients.

Download Safety Data Sheet

Download Safety Data Sheet in Spanish

Turn nozzles to the “ON” position and spray 6-8 inches from surface
Allow Calcium, Lime, & Rust Remover to soak for 2 minutes before wiping with a sponge, cloth, or brush.
After 2 minutes, rinse thoroughly with cold, clean water. Avoid prolonged contact with any surface.
Always read the manufacturer's directions of the item you will be cleaning to make sure that this product is compatible. Consumer discretion is always advised.

Calcium, Lime, and Rust Remover may etch older sinks, tubs, and tiles. Avoid contact with wood, clothing, wallpaper, carpeting, natural stones, brass, copper, aluminum, galvanized metals, any painted, coated or sealed surfaces. Clean spills immediately.

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Frequently asked questions

What will Calcium, Lime and Rust Remover do to brass, copper or aluminum?

Calcium, Lime and Rust Remover can not only remove the finish off of brass, aluminum and copper, but can also pit certain grades of brass, copper and aluminum.

What surfaces should I not use Calcium, Lime and Rust Remover on?

Do not use Calcium, Lime and Rust Remover on any natural stone or marble (including cultured marble), terrazzo, colored grout (any other color than white), any painted, coated, sealed or metallic glazed surfaces, plastics, laminates, Formica, Corian, aluminum, galvanized metals, nickel, oil rubbed bronze, brass, copper, steam irons, leaded crystal, refinished tubs or any damaged or cracked surface. Calcium, Lime and Rust Remover may etch older sinks, tubs and tiles. Calcium, Lime and Rust Remover is corrosive. Avoid contact with wood, clothing, wallpaper and carpeting. Some laminated surfaces (counter tops) are coated with a synthetic surface which may be affected by rust removers; clean spills immediately. Always spot test first on an inconspicuous area.

I used Calcium, Lime and Rust Remover to clean my glasses and it did not remove the deposits. Do you know why?

If it seems that the Calcium, Lime and Rust Remover did not help at all, the glasses may be etched and there is no remedy to remove the cloudiness from the glasses. The cloudiness is actually tiny cuts made in the glass by deposits in the water. The only thing that may remove the etching is a jeweler’s polish.

Can Calcium, Lime and Rust Remover be used in a steam iron, steamer or steam machine?

It is not recommended that Calcium, Lime and Rust Remover be used in steam irons. The acids in our products are not compatible with the components of steam irons, steamers or steam machines. We recommend contacting the manufacturer of your particular steam iron, steamer or steam machine for their recommendation for products safe and effective on their materials.

Can I use Calcium, Lime and Rust Remover to clean out my radiator?

Calcium, Lime and Rust Remover should not be used in or on a car radiator. Calcium, Lime and Rust Remover may not be compatible with the materials associated with a radiator and it could have adverse effects if the Calcium, Lime and Rust Remover is not rinsed out completely.

Will Calcium, Lime and Rust Remover remove oil from my concrete driveway or garage floor?

We do not recommend using our Calcium, Lime and Rust Remover to remove oil. If Calcium, Lime and Rust Remover is mixed with oil, it will darken the concrete, which is very difficult to remove.

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