in General Washing dishes by hand use almost 7 times the…. by Chirag Chauhan January 11, 2018, 8:01 pm 161 Views Washing dishes by hand use almost 7 times the amount of water as a modern dishwasher. Save water Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website By using this form you agree with the storage and handling of your data by this website. *