Pour one pouch of Gain® Washing Machine Cleaner into the empty drum, and run a normal wash cycle on hot.
For continued care of your machine, use Gain® Washing Machine Cleaner once a month to help keep odor-causing residues from causing future odor problems.
If your machine already has an odor issue or visible residue, use Gain® Washing Machine Cleaner once a week for the first three weeks and once a month afterward.