I use the heat tape from Reptile Basics (buy the tape and the connector kit). Once you get that wired and placed on your rack, then you need a thermostat to run it. I personally love Herpstats (I have a Herpstat 2) for thermostats. Reptile Basics also has some thermostats if you want to order one when you order your heat tape. I personally like the VE thermostats over the Johnson control.