Preparation: Vacuum with CRI Silver rated or better vacuum. Place brushes on Whittaker Smart Care TRIO 20. Add 12 ounces of Crystal Dry® Extra CDX-2 to 2 gallons of water in machines solution tank. Prime pump to begin flow of solution in steady fan pattern. Pre-moisten brushes. Cleaning Process: Vacuum 2 passes at 1.8 feet/second. Agitate 2 passes at 1.8 feet/second as follows: 1 Forward pass – Wet (spraying CRYSTAL DRY ® EXTRA solution). 1 backward pass – Dry (no spray). Allow carpet to dry completely. Vacuum 2 passes at 1.8 feet/second.