Ambient temperature does it mean in the cool side inside the tub or in the room?

[Stewart_Reptiles]

In my head ambient is the cool side. When we talk about using ambient heat only it is the temp inside and outside the tub. My snake room is on ambient only and ranges between 84 and 88. So if your ambient is actually 85 you don't need a hot spot.

^This^ When people talk about ambient temps it's in the enclosure most of the time where your snake lives snake.

Also agreed if your ambient temp is in the mid 80's turn off the hot spot