| 摘要 |
This invention relates to a method of removing and preventing the deposition of hard water scale in a clothes washing machine. In particular the method relates to the removal of and prevention of scale build up after the main wash of a clothes washing machine. The invention involves the addition of a buffered composition of pH 1-6 into the rinse cycle of the clothes washing machine. The invention also relates to water-softening compositions for such methods. |
