Maintex Last Step Carpet Rinse

Formulated for maximum performance. As a concentrate it is very effective against stubborn stains from coffee, tea, urine, fruit juices, red wine and red soft drinks. When diluted, this same product is excellent for general de-browning of carpet caused by alkaline detergent residue, soaps or detergents. And finally, as a post extraction rinse, this product neutralizes any alkalinity or detergent residue left behind to help prevent future browning. Safe for use on all types of carpets, including wool. Concentrated for cost savings.
4 gallons per case.

Product Sheet found here.