Pro’s Choice “Natural Fiber Cleaner” is designed to safely and thoroughly clean those difficult to clean natural textiles, such as Haitian and natural cottons that are prone to yellowing and browning. You will find this product to be helpful in restoring fabrics that have been discolored due to improper cleaning procedures. Restores clean white color to dingy upholstery. Natural Fiber Cleaner has also shown to be an excellent cleaner for any fiber that tends to “brown out” easily like berber carpets. Dilution: Up to 1 oz. per gallon water pH at dilution: 7 Container Sizes: Gallon Form: Powder