Have you ever had an ionic foot bath?!

Have you ever had an ionic foot bath?

I am looking for a place in the DC area that you can get them. Can you help me?

There used to be a place near Sperryville (maybe 60 or so miles from DC) called the Inn at Thistle Hill. It's on route 522 just outside of Culpeper. It's been a while since I was there but I had this foot bath thing done where the water turned colors as it pulled toxins out through my feet. Not sure if this is exactly what you were looking for. Let me know if this is what it is called.