Thanks drob. Just bought that ceramic heater from Petco, $26 on sale. Fit right into the light bulb socket set up in the fridge. Will finish wiring it up tomorrow and test run before making the next brew.
"Ask not what your country can brew for you ; ask what you can brew for your country."
"ich braute dieses Bier mit meinem Hund" (Life is indeed short: Get a Beagle and a Beer