The two bucket method uses two buckets, not one. In thie first bucket, you have your car wash solution as normal. In the second bucket you have clean fresh water. First off you soak your mitt in the wash solution and begin washing the car. Then, before dunking the wash mitt back into the wash solution, you rinse it out in the second bucket of fresh water - this rinses out the dirt and grit particles from this mitt so that they cannot come into contact with your paint, reducing the number of swirls inflicted.