We do not recommend using Calcium, Lime and Rust Remover on galvanized metals. When a metal is galvanized, a Zinc coating is put over the metal (usually to protect it from rusting). The acids in Calcium, Lime and Rust Remover will remove the Zinc which could compromise the material.

No, Calcium, Lime and Rust Remover should never be used on clothing. Please find an appropriate stain remover or laundry detergent. If Calcium, Lime and Rust Remover is spilled on fabric, you must rinse immediately. It may break down the fibers in clothing and/or fabric.

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.

Calcium, Lime and Rust Remover should not be used to clean rugs or carpeting. Calcium, Lime and Rust Remover can break down the fibers in rugs and carpeting and pull the color out.

Yes. Resin is a type of plastic and Outdoor Furniture Cleaner is safe on white and colored resin including resin furniture and resin sporting or play equipment.

Yes. When working with Tarn-X products avoid contact with your clothing. Tarn-X can stain or discolor fabrics/clothing.

While the product begins working instantly it’s best if used during low water usage, usually at night.

For a shower/tub drain pour recommended dosage per directions on the label into shower/tub drain at night. Following morning run cold water down drain.

While the product begins working instantly it’s best if used during low water usage or overnight.

For a toilet bowl; pour recommended dosage per directions on the label into toilet bowl at night. Following morning flush the toilet.

While our Tarn-X Tarnish Remover is safe to use on copper, we do not recommend it be used on outdoor copper, such as roofs or awnings, as it can affect the natural patina of the copper due to the variance in grades of copper used outdoors, as well as the weather elements like humidity, temperature and moisture.

Calcium, Lime, & Rust Remover and Probiotic Multi-Surface are both biobased products, meaning they contain largely renewable and plant-based ingredients. CLR Brands® has been recognized as a BioPreferred Champion for 2022, signifying our commitment to using renewable materials, supporting the bioeconomy, and bettering the planet. USDA's BioPreferred Program was first introduced in the 2002 Farm Bill with the goal of increasing the development, purchase, and use of biobased products.