How to get powder detergent to dissolve? | Yahoo Answers
Jul 02, 2010·Powders need warm water at the minimum to dissolve. Try taking a quart jar of hot water and dissolving your powder detergent in it and then put the whole quart in the washing machine. Adding some white vinegar to the rinse cycles (about 1/2 c.) will help get rid of the detergent balls too.