It makes washing bedding easier.
Know when your dirty laundry could use an extra rinse.
Washing machines aren't what they used to be. Some new appliances have over a dozen cycles, and then there are a slew of other things to consider, including water temperature, spin speed, cycle ...
That extra-powerful cycle isn't meant for every wash.
And the ‘must-do’ laundry step that prevents ‘ruining expensive garments’.