From dingy whites caused by hard water impurities to red clay stains on the sports field, clothing stains happen. OUT White Brite Laundry Whitener Powder removes Red Clay and Rust Stains on White Clothing and Uniforms, whitens your favorite fabrics and helps them look new again. It remove rust stains, yellowing, and dinginess from iron and other water impurities. OUT White Brite is the ONLY whitener that can remove mineral based stains. Bleach cleaners can be harsh on fabric fibers and dont always get the job done, but our powerful clothing whitener is gentle yet effective. Use the formula as a presoak wash for tough stains on whites. Or as a laundry whitening booster option for brighter whites during normal wash cycles. The formula is septic friendly and appropriate for all types of washing machines, including HE, front load, and top load washers, and all tub types, even stainless steel. Brighten dingy white clothes, uniforms, towels, more.