MODEL | 1789L   MULTI-SURFACE​ Multi-surface Floor Cleaning Formula How to use: * Fill tank - Shake bottle and use formula according to machine user guide. * Clean - (For small areas) Fill formula tank with hand hot tap water to the first water fill line. Then add formula to the first formula fill line. * (For large areas) Fill formula tank with hand hot tap water to the second water fill line. Then add formula to the second formula fill line