Which of these best describes the sort of therapy you get in a hot tub?

I've had photherapy

I have a hot tub. it works great for therapy on sore body.

Olly, carpal tunnel is a pain in the wrist, hand areasometimes caused by improperly holding a heavy object

Big Mike - I sympathise with you concerning your health problems, but what on earth is "carpal tunnel"? Also, I hope it's not painful.

I use my hottub daily for my carpal tunnel and for my deep vein thrombosis in my legs.