Quote Originally Posted by snakesRkewl View Post
One probed thermometer is all you need.

The box goes in the cool end to tell you that temperature.
The probe goes over to the hot spot and reads that temperature.

*Hunter94 taping the thermometer probe to the bottom of the tank with the thermostat probe is a waste of a good thermometer because you do not need to know that temperature*
Sorry but its not a waste I do it just to make sure all the temps are right and the Thermostat isn't off or malfunctioning. Better safe then sorry.