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Leave on for 2 minutes using a sponge or scouring pad to assist in removal of stains, then rinse thoroughly with cold water. CLR Calcium, Lime and Rust Remover is acidic in nature and the solution could "spray back" on your clothes or in your eyes or can get on materials it's not intended to be used on. 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. In fairness, the product description says it will remove rust stains, and my stains were metal but not rust. Its high biobased content earned it certification by the USDA’s Bio preferred program and is part of the EPA’s Safer Choice Program (formerly Design for the Environment (DfE)) which recognizes the product as a safer malternative to chemicals.
The concentrated acid formula works on a variety of surfaces including concrete, porcelain, glass, metal, cement, stucco, chrome and more. The agency certifies products, including household cleaners, that meet their criteria for human and environmental safety. Our Calcium, Lime and Rust Remover instantly removes even the heaviest calcium deposits, limescale and rust stains. Please always read the labels, warnings, and directions provided with the product before using or consuming a product.
We always recommend referring to the manufacture's recommendation for safe and effective products to use on their materials. 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.
Always read your coffee maker’s manufacturer’s directions before using CLR Calcium, Lime and Rust to make sure product is compatible.Due to the natural density and hardness of calcium as a mineral, the calcium can actually etch and embed itself into the material of the glass (usually present by having a cloudy appearance vs. We do not recommend using CLR Calcium, Lime and Rust Remover on or in any materials associated with a swimming pool. In addition, if CLR Calcium, Lime and Rust Remover comes in contact with chlorine, it could result in toxic fumes. If CLR Calcium, Lime and Rust Remover is mixed with oil, it will darken the concrete, which is very difficult to remove.
Acceptable ingredients receive a green circle (low concern based on experimental and modeled data), a green half-circle (low concern based on experimental and modeled data, but with some data gaps), or a yellow triangle (some hazard concern). DO NOT USE in coffeemakers that hold water permanently including espresso, Gevalia or Keurig machines. This ingredient is an acid formed from the sugar glucose, which naturally occurs in fruit, honey and wine. Hard water is water that contains high mineral content, calcium and magnesium carbonates in particular.The versatile solution can also effectively remove Mineral Deposits, Salt, Oxidation, Algae, Fibreglass/Gel Coat Yellowing and Soap Scum.
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