My experience is that I would not recommend a dial thermostat regardless of the brand, it will be constant readjusting on your hand and temps will fluctuate.
At the very minimum I recommend this
https://www.spyderrobotics.com/index...products_id=25 for one heat source
or
https://www.spyderrobotics.com/index...products_id=26 for two heat sources.