I second what @bajaespuma said. Once you go Miele, you never go back, lol. I like to bleach my white, kitchen microfibres, but also like long, hot washes at 75c for hygiene and whitening. I wash the microfibres first on a 30c quick wash with a tiny bit of detergent and a half cap of Clorox bleach crystals. I then add my white tea towels to the load and start a 75c cottons hygiene cycle with an enzyme and percarbonate bleach- result is bright whites and no bleach damage or yellowing. This is the only load I need to add chorine bleach to, as my white microfibres tend to hold coffee/tea stains. Everything else is sparkling white.