Someone asked me about a temperature controller that can be hooked up to light bulbs or a heater . I found this and it seems like the perfect deal and the price is great . There are many different models so you may want to look through them .
https://www.amazon.ca/Inkbird-Temperature-Controller-Thermostat-Thermostats/dp/B01GZT2Y5I/ref=pd_sbs_199_7?_encoding=UTF8&psc=1&refRID=G94YSYJB5VNYZETQHDKM
John