small batch kiln

I made my own fermenting kiln out of old car "refrigerator" and 35W halogen bulb . But I dont know where to monitor the temperature. Is it better to monitor the air temp or the leaves? Down is the picture of the sensor Im using. I will use smart plug to time the heating cycle, because the...

Hello, I am constantly searching for something that will convert to a kiln or flue chamber and stumbled onto this: http://www.ebay.com/itm/SAGE-7944-COMFORT-PERSONAL-CLEANSING-WARMER-/221243811225?pt=LH_DefaultDomain_0&hash=item338328a599...