I use my Hoover Steam Cleaner all of the time, like every other week. I use a product called Zep purchased at Home Depot. The girls in work told me about it. I think it works better than anything yet. Ig your Mom trys the ZEP, make sure she buys the low foam Zep. I just reread your post. You can also use the Zep in the cleaners you rent and you don't necessarily need the low foam.