... steps: rolling four kinds of powders of phyllite, tourmaline, syderolite and quicklime, ball-grinding, adding non-ionic surfactant mixture liquor produced ... clothes is 8.5kg.In order to make water more active,the longer you put clothes into water,the better effects ... washing machine also.7.Put washing ball under sun for air-cure regularly. (once a month) Negative ion laundry washing ball (Free powder)