It worked well, but I had to scrub the remaining residue off the tub with a brush and straight vinegar. ( The water is really hard where we live and I soak my kids dirty clothes often. Cleaning with vinegar was amazing.
Step by step directions for cleaning a front load washing machine.*Good comments/suggestions at the end of the article, too, like using vinegar as a fabric softener, as I already do, which helps the washer smell issue.