CLR® Calcium, Lime, & Rust Remover
- Quickly and easily dissolves and removes tough calcium and lime deposits. Can be used on surface rust stains from bathtubs, toilet bowls, sinks, glass, chrome, fiberglass, stainless steel, humidifiers, dishwashers, washing machines and showerheads.
- 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.
- Look for CLR in these sizes: 28 oz. and 1 gallon (128 oz.) bottles.
For use on these surfaces
- Stainless Steel Exteriors
How to use this product
- In a well-ventilated area, mix equal amounts of CLR and warm water.
- Test on a hidden area before applying to the entire surface and apply directly to the stain with a brush, cloth, or sponge and let soak for 2 minutes.
- Rinse promptly with cold water.
- Never leave CLR on an area for longer than two minutes or mix with other household cleaners or bleach.
- 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.
CLR 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.
|Water||Dilutent: CAS #7732-18-5||
|Dilutent: 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||Chelating Agent: CAS #79-33-4.||
|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 producs 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|
|Lauramine Oxide||Surfactant: CAS #1643-20-5.||
|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.|
|Gluconic Acid||Chelating Agent: CAS #526-95-4.||
|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.|
|Tripropylene Glycol n-Butyl Ether||Solvent: CAS #55934-93-5.||
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.
California CPRKA Designated Lists
(12) US NTP Reproductive or Developmental Toxicants. https://ntp.niehs.nih.gov/publications/monographs/index.html
(16) California NLs. https://oehha.ca.gov/water/notification-levels-chemicals-drinking-water
(18) California TACs. https://ww3.arb.ca.gov/toxics/id/taclist.htm
(20) California Non-Cancer Hazards. https://oehha.ca.gov/air/general-info/oehha-acute-8-hour-and-chronic-reference-exposure-level-rel-summary
|Yellow No. 5||Colorent: CAS #1934-21-0.||
|Colorent: 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.|
|Acid Blue No.1||Colorent: CAS #3844-45-9.||
|Colorent: 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.|
How Do I Use CLR?
In a well-ventilated area, mix equal amounts of CLR and warm water. Test on a hidden area before applying to the entire surface. Apply directly to the stain with a brush, cloth or sponge. After 2 minutes rinse promptly with cold water. Never leave CLR on an area for longer than two minutes. If the stain does not disappear, repeat this process and add more CLR solution as necessary. Never mix CLR with other household cleaners or bleach. 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.
How do I use CLR to clean my coffee maker?
Mix one part (ex: 1 cup) CLR to eight parts (ex: 8 cups) water (for 10-12 cup automatic drip coffee makers). Run through coffee maker as if making coffee. Dispose of solution once product has run completely through the maker, then fill entire pot with clear, cold water and run a complete cycle twice. Instructions are for a regular 8-12 cup coffee maker. *Do not use CLR in coffee makers that hold water permanently. *CLR is not recommended for Gevalia, Keurig or Cuisinart coffee makers. *Do not use CLR in espresso machines. Always read your coffee maker’s manufacturer’s directions before using CLR Calcium, Lime and Rust to make sure product is compatible. Certain coffee makers contain permanent carbon/charcoal filters. Consumer discretion is always advised.
How do I use CLR to clean coffee pots, pans or tea kettles?
Pour enough CLR to cover bottom. Swish around in pot or pan. Add one cup of warm water, allow mixture to soak for two minutes and thoroughly rinse with cold, clean water. Using a soft scouring pad while our product is sitting on the stains is recommended. Always check with the manufacturer of your coffee pots, pans and tea kettles first for their recommendations of products that are safe and effective on their materials.
What the Safer Choice Award is?
The EPA’s Safer Choice program helps consumers find products that perform and are safer for human health and the environment.
What that means
We’ve been recognized as the Safer Choice Partner of the Year for the past five years because of our outstanding achievement in the use of products that meet the Safer Choice program’s stringent health and environment standards.
What that means
for the environment.
To help formulate safer products, Safer Choice developed the Safer Chemical Ingredients List, which contains more than 750 chemicals that meet Safer
* Not all products on this site are SAFER CHOICE.