Quote Originally Posted by Newtot View Post
The tub does have a sort of indent on the bottom. Ambient temp is 68 to 70 in the room. It’s my bedroom and is a converted garage so stays on the cool side. I do have the thermostat probe sandwiched between the tub and Matt. I’m thinking the tank may work better for my situation with modifications of course bc heating the room isn’t an option. I can’t sleep in a hot room.
With a low ambient temp in the room you can use two UTH's. Set the first one so the tub floor is 90*F, and a second larger one set to 78-80*F (it can cover much of the rest of the tub floor). If the ambient is still too low in the tub try covering it with a towel or baby blanket.