How to clean the inside of a washing machine and keep it that way

I don't know how to remove a paddle from either a Samsung, LG or any other. But it's a quick way to tell how dirty a front loader has become. With the new LG's, I doubt the paddles come off at all.


He recommends a product by Whirlpool. That would be Affresh which is what I sought to DIY in this thread. Or Wpro as it's called in the UK.