1. Bissell How to Use BISSELL 2X Ultra Concentrated oe Formulas in Full Size Machines we MEAN e 1 Vacuum area to be cleaned 2 Shake bottle and use formula according to machine user guide a For BISSELL full size machines with Formula SmartMix Tank add 1 cup 8 oz of hot tap water to the formula tank and then add formula to the fill line b For other full size machines and rental machines add 1 capfuls 2 5 oz total to each gallon of hot tap water Need help Contact us at or http www bissell com email us Call 1 800 237 7691 Mon Fri 8am to 10pm ET Sat 9am to 8pm ET