Quote Originally Posted by redrhodie View Post
Where did you read that? I haven't heard that before. There are no warnings for length of time of a soak on the carton. I've been soaking for a half hour 3 times per week for years.
@Itself linked this web page elsewhere:

http://www.ehow.com/way_5585341_long...alt-bath_.html

A little googling showed that has made it to the Livestrong web site, too, and the source of the 10 minute recommendation seems to be this newsletter article:

http://www.achs.edu/news/news-detail.aspx?nid=48

It does not cite any research.