Double Mop Bucket System If you are not able to meet the expectation from single mop bucket, then you should try for Double Mop Bucket system. Though the double mop buckets are more costlier and covers more space that the single mop, but they are of huge demand because of providing separate rinsing and cleaning solution, which takes dirt easily off the floor. Since it can easily separate the dirty water from the soapy clean water, the process of cleaning becomes much easily and evades any chances of mess. With double mop buckets, you can easily rinse your dirty mop head out in the rinse water, wring it out followed by relatively clean mop head into the cleaning solution.