Osaka Institute of Environmental Sciences experts in a washing machine on the 153 survey results showed that only one did not find mold, and washing machines barrels per liter of water up to 4566 found mold on average, the 61 automatic washing machine, double cylinder washing machine 24, an outdoor mold found in most of the clothes inside the drum washing machine is also proliferation. This product uses natural biological bacteria (BB bacteria), 2 times a week in washing clothes to the laundry tub wall lightly spray two under, BB bacteria will mold the inner wall of the washing tub as their decomposition nutrient absorption. Long-term use can be kept clean and germ laundry tub wall. Is our product of choice for routine maintenance washing machine.