How do I use CLR Calcium, Lime and Rust Remover?
Mix equal amounts of CLR Calcium, Limescale and Rust Remover and warm water in a well-ventilated area. 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 immediately with cold water. Never leave CLR Calcium, Lime and Rust Remover in one place for more than two minutes. If the stain persists, repeat this process, adding more CLR calcium, scale and rust remover solution if necessary. Never mix CLR Calcium, Lime and Rust Remover with other household cleaners or bleaches. Always read the manufacturer's instructions for the item you are cleaning to ensure this product is compatible. Consumer judgment is always advised.
How do I use CLR Calcium, Lime and Rust Remover to clean my coffee machine?
Mix one part (e.g. 1 cup) of CLR Calcium, Scale and Rust Remover with eight parts (e.g. 8 cups) of water (for 10-12 cup automatic coffee makers). Run through the coffee machine as if you were making coffee. When the product has completely run through the machine, discard the solution, then fill the entire pan with clear, cold water and run two full cycles. The instructions are for a regular 8-12 cup coffee maker. *Do not use CLR Calcium, Lime and Rust Remover in coffee machines that permanently retain water. *CLR Calcium, Scale and Rust Remover is not recommended for Gevalia, Keurig or Cuisinart coffee makers. *Do not use CLR Calcium, Lime and Rust Remover in espresso machines. Always read your coffee machine manufacturer's instructions before using CLR Calcium, Lime and Rust to ensure product compatibility. Some coffee machines contain permanent carbon/carbon filters. Consumer judgment is always advised.
How do I use CLR Calcium, Lime and Rust Remover to clean coffee pots, pans or tea kettles?
Pour enough CLR Calcium, Lime and Rust Remover to cover the bottom. Swirl around in pot or pan. Add a cup of warm water, let the mixture steep for two minutes and rinse thoroughly with cold, clean water. It is recommended to use a soft scouring pad while our product is on the stains. 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.
How do I use CLR Calcium, Lime and Rust Remover to clean my dishwasher or washing machine?
Dishwasher: REMOVE the detergent before using CLR Calcium, Scale and Rust Remover. Pour 1/2 cup of CLR Calcium, Scale and Rust Remover directly into the bottom of an empty dishwasher (no glasses, plates or silverware, but the racks can be left in place). Run a normal cycle followed by an additional rinse cycle. Make sure that there are no detergents or other chemicals in the machine when using our product. Washing Machine: Run your empty machine (no clothes) without detergent to the main sink where the water stops and the cycle vibrates. Stop the machine and add half a cup of CLR Calcium, Scale and Rust Remover directly to the machine bowl. End of cycle. Run an additional full cycle (wash and rinse) with water only to rinse the machine completely. If your machine is HE (High Efficiency) and/or 'Water Saver' we recommend using a 1/4 cup of CLR Calcium, Lime and Rust Remover instead of the normal 1/2 cup recommended for any other type of washing machine/dishwasher . For front loader machines, simply add 1/2 cup of CLR Calcium, Lime and Rust Remover to the soap dispenser (1/4 cup for HE machines only). After the full cycle is complete, run an additional rinse cycle with water only. Make sure there are no clothes or other chemicals in the machine when using our product.
Can I clean my humidifier's filter?
Use only on metal filters. Dilute equal parts of CLR Calcium, Lime and Rust Remover and warm water in a plastic container. Immerse the filter in the solution for about two minutes. Brush to loosen buildup and rinse with cool, clean water. Let dry.
What does CLR Calcium, Lime and Rust Remover do with brass, copper or aluminum?
CLR Calcium, Scale and Rust Remover can not only remove the finish from brass, aluminum and copper, but can also excavate certain types of brass, copper and aluminum.
On which surfaces should I not use CLR Calcium, Lime and Rust Remover?
Do not use CLR Calcium, Lime and Rust Remover on natural stone or marble (including cultured marble), terrazzo, colored grout (any color other than white), painted, coated, sealed or metallic glazed surfaces, plastics, laminates, Formica, Corian, aluminum, galvanized metals, nickel, oil rubbed bronze, brass, copper, steam iron, leaded crystal, finished barrels or any other damaged or cracked surface. CLR Calcium, Lime and Rust Remover can affect older sinks, tubs and tiles. CLR Calcium, Lime and Rust Remover is corrosive. Avoid contact with wood, clothing, wallpaper and carpets. Some laminated surfaces (table tops) are coated with a synthetic surface that can be affected by rust removers; clean up spills immediately. Always try to test in an inconspicuous area first.
Can I put CLR Calcium, Lime and Rust Remover in a spray bottle?
We do not recommend putting CLR Calcium, Lime and Rust Remover in a spray bottle. CLR Calcium, Scale and Rust Remover is acidic in nature and the solution may "splash" back onto your clothes or into your eyes or onto materials for which it was not intended.
How do I use CLR Calcium, Lime and Rust Remover to clean a shower head?
We recommend using a 50/50 solution (equal parts) of CLR Calcium, Limescale and Rust Remover and warm water. If possible, remove the shower head and submerge it in the solution for no more than 2 minutes (use an old toothbrush on the front of the shower head after it has been soaked to remove mineral build-up), then rinse immediately and thoroughly with cold water. Repeat at full strength as needed and rinse thoroughly after each application.
How do I remove limescale from my drinking glasses?
We recommend using a 50/50 solution (equal parts CLR Calcium, Lime & Rust Remover and warm water) in a glass or porcelain bowl. Apply the solution with a damp cloth or sponge to the affected colored areas of the glass. After 2 minutes, rinse thoroughly with cold, clean water. If the CLR Calcium, Scale and Rust Remover seems to have helped a little, but the glasses are not completely clear, repeat at full strength if necessary. Due to calcium's natural density and hardness as a mineral, calcium can actually etch and settle into the glass material (usually present by having a cloudy appearance rather than becoming dull).
I have used CLR Calcium, Lime and Rust Remover to clean my glasses and it has not removed the deposits. Do you know why?
If it turns out that the CLR Calcium, Scale and Rust Remover has not helped at all, the glasses may be etched and there is no way to remove the haze. The haze is actually small cuts in the glass due to deposits in the water. The only thing that can remove the etching is a goldsmith polish.
Can CLR Calcium, Scale and Rust Remover be used in a steam iron, steamer or steamer?
It is not recommended to use CLR Calcium, Scale and Rust Remover in steam irons. The acids in our products are not compatible with the parts of steam irons, steamers or steam engines. We recommend that you contact the manufacturer of your specific steam iron, steamer or steamer for their recommendation of products that are safe and effective for their materials.
Can I use CLR Calcium, Lime and Rust Remover on my car to remove rust?
We do not recommend using CLR Calcium, Lime and Rust Remover on a car. The acids in our product should not be used on aluminum or any painted/coated surface. You can safely rust from car wheels (if the rims are only chrome or stainless steel, not alloys).
Can I use CLR Calcium, Lime and Rust Remover to clean my radiator?
CLR Calcium, Lime and Rust Remover should not be used in or on a car's radiator. CLR Calcium, Scale and Rust Remover may not be compatible with radiator materials and may have adverse effects if CLR Calcium, Scale and Rust Remover is not rinsed out completely.
Is CLR Calcium, Lime and Rust Remover safe for ice machines?
We do not recommend using CLR Calcium, Scale and Rust Remover to clean ice machines. The acids in our product are not compatible with ice maker parts. We recommend always referring to the manufacturer's recommendation for safe and effective products to use on their materials.
Will CLR Calcium, Lime and Rust Remover remove oil from my concrete driveway or garage floor?
We do not recommend using our CLR Calcium, Lime and Rust Remover to remove oil. If CLR Calcium, Lime and Rust Remover is mixed with oil, the concrete will darken, which is very difficult to remove. To remove oil from concrete or asphalt, we recommend using our product CLR® Grease-Free.
Is CLR Calcium, Lime and Rust Remover Septic Safe?
Yes, CLR Calcium, Lime and Rust Remover is septic safe. When it reaches the septic system, it is neutralized with water.
Can I use CLR Lime, Lime and Rust Remover in my swimming pool?
We do not recommend using CLR Calcium, Lime and Rust Remover on or in materials associated with a swimming pool. CLR Calcium, Lime and Rust Remover should never come into contact with chlorine (or other household chemicals). It can form a poisonous gas and is not safe. We recommend that you consult a pool maintenance professional for product recommendations that are safe and effective.
Can CLR Calcium, Lime and Rust Remover be used on swimming pool tiles?
Unfortunately, we do not recommend using CLR Calcium, Lime and Rust Remover on swimming pool tiles. It can remove the finish from the tile. In addition, if CLR Calcium, Lime and Rust Remover comes into contact with chlorine, toxic fumes may be generated. We recommend consulting a pool maintenance expert for their recommendation of products that are safe and effective.
Can CLR Calcium, Lime and Rust Remover be used on marble or synthetic marble?
We do not recommend using CLR Calcium, Lime and Rust Remover on natural stone, especially on marble (even synthetic). The acids in our product will remove the seal, penetrate the marble and affect the natural beauty of the marble. Even synthetic marbles are coated and real marble dust is used to give the effect of real marble. If you accidentally spill CLR Calcium, Lime and Rust Remover on these surfaces, call a marble professional for further instructions.
Can CLR Calcium, Lime and Rust Remover be used on galvanized metal?
We do not recommend using CLR Calcium, Lime and Rust Remover on galvanized metals. When a metal is galvanized, a layer of zinc is applied over the metal (usually to protect it from rust). The acids in CLR Calcium, Lime and Rust Remover remove the zinc that can attack the material.
Can I clean cast iron with CLR Calcium, Lime and Rust Remover?
We do not recommend using CLR Calcium, Lime and Rust Remover on cast iron. The acids in CLR Calcium, Lime and Rust Remover can attack the metal.
How long does CLR Calcium, Lime and Rust Remover keep?
We recommend using or throwing away CLR Calcium, Lime and Rust Remover within 3 years. Make sure the cap is tight after each use.
Can I use CLR Calcium, Lime and Rust Remover on my granite countertop?
We do not recommend the use of CLR Calcium, Lime and Rust Remover on natural stone, including granite. The chemicals in CLR Calcium, Lime and Rust Remover can remove the seal and penetrate the stone.
Can I use CLR Calcium, Lime and Rust Remover in/on my water heater?
Jelmar DOES NOT RECOMMEND the use of CLR Calcium, Scale and Rust Remover in or on water heaters (tank or tankless); but there is a website that does. Again, JELMAR DOES NOT RECOMMEND THE USE OF CLR IN A BOILER. The chemical composition of CLR Calcium, Scale and Rust Remover is not compatible with materials or components in a boiler and cannot be thoroughly flushed through the boiler after 2 minutes. We recommend using what the water heater manufacturer considers safe and effective.
Can I clean my fiberglass boat, bathtub or shower cabin?
Yes, CLR Calcium, Lime and Rust Remover has been shown to be safe on fiberglass. Always try to test in an inconspicuous area first. Start with a mixture of CLR Calcium, Scale and Rust Remover and water and work up to full strength if necessary.
Can CLR Calcium, Lime and Rust Remover be used on clothing or textiles?
No, CLR Calcium, Lime and Rust Remover should never be used on clothing. Find a suitable stain remover or detergent. If CLR scale and rust remover has been spilled on the fabric, rinse it immediately. It can break down the fibers in clothing and/or fabric.
Can CLR Calcium, Lime and Rust Remover be used to remove stains from carpets?
CLR Calcium, Lime and Rust Remover should not be used for cleaning carpets or rugs. CLR Calcium, Lime and Rust Remover can break down the fibers in carpets and rugs and strip out the colour.
Can I use CLR Calcium, Lime and Rust to clean my food bowls?
Yes, CLR is great for cleaning pet food bowls, dirt and water deposits! Dilute equal parts hot water and CLR to clean ceramic, stainless steel or plastic bowls. Leave on for 2 minutes with a sponge or scrubbing brush to help remove stains, then rinse thoroughly with cold water. Although our product is non-toxic, we recommend washing the bowls before adding food or water.
What about the safety of my family and the environment?
Our CLR Calcium, Lime and Rust Remover is non-toxic, water soluble and biodegradable. The chemicals in the product are derived from vegetables, but we recommend that all safety precautions are followed as stated on the back of the bottle.
Does CLR offer biobased products?
CLR® Calcium, Lime & Rust Remover and CLR® Active Clear are both bio-based products, which means that they contain largely renewable and plant-based ingredients. CLR® has been recognized as a BioPreferred Champion for 2022, meaning we are committed to using renewable materials, supporting the bioeconomy and improving the planet. The USDA's BioPreferred program was first introduced in the 2002 Farm Bill with the goal of encouraging the development, purchase and use of biobased products.