Remove Carpet Rinse Agent A rinse agent to be used with extractors to remove any residues and leave a bright, fresh carpet. Helps prevent browning. Dilute to 1 oz. per gallon or 1 qt. per 5 gallons for truckmounts. pH – 4. Buffered pH for safe operation through extractor pumps. Hard water softeners to hold soils in solution through extraction. Fresh, mint fragrance. Corrosion inhibitors prevent damage to metal fittings. Keeps jets clear, prevents build-up.