Prochem B175 Browning Prescription 5L is a specially formulated acidic corrective agent for the direct spray treatment of jute cellulosic browning, yellowing, tea, coffee and tannin stains on carpets and fabrics. Browning prescription is particularly useful for the improvement or removal of browning stains on coloured fibres and flooded carpets where an oxidising bleach can not be used. This product can be used as a pre-spray prior to extraction cleaning or in conjunction with carpet detergent for carpet rotary and upholstery shampoo applications.