I use them for quail eggs that I hatch out and they work great... They usually come with a waffer thermostat. I myself would not trust the waffer. I left mine for quail eggs and decided to build my own. But for 400.00 you can build one. It will take you 2 hours to build one from a fridge. The hardest part is wiring the thermostat.Originally Posted by Ginevive
Good luck