With the EasyWring Rinse Clean Spin Mop technology, cleaning has never been easier. With its unique dual-chamber bucket technology, which separates the clean and dirty water tanks, using clean water to clean continually is made simple. Thus, you won't ever need to mop using contaminated water again. Furthermore, with only water, the microfiber mop head can eliminate up to 99 percent of microorganisms. You can still use your preferred solution, it's simply not necessary right now. *As demonstrated by tests conducted in an independent, accredited lab, tap water can effectively remove over 99% of E. Coli and Staph. aureus from pre-finished hardwood floors and ceramic tile without causing death.