We have used it for 8 years. No issues. We have very hard water, an HE front loader and use a full cap every wash.
I have never had to strip diapers. I do add a little bleach once a month.
Katie, mom to Olivia (97), Veda (98), Franky (2004), Wendy (2005), JoHannah (2007), Thea (2009) and Sunny (2011)