I have been using affresh® regularly in my washer and I have to say that it has really made keeping on top of the smells and buildup in my washer! I was lucky enough to get new appliances when we moved into our new place a few years ago and I am glad that I've found to help me keep it that way.
I still love the scent of my washer after running the cleaning cycle with the tablet and it has really kept the washer from having a musty scent or any buildup on the drums! I have been tossing an tablet in to my washer once a month and letting it run! I can definitely say that I've had no problems with build up or a musty odor since I've been using the pucks! I really love that it makes cleaning the washer a breeze!
Now that I'm in the habit, I don't think I'll ever break it! Have you tried