I put my temp sensor in an old yeast vial, and the water froze, breaking the sensor and warming my beer. What type of sensor is needed?
http://i.ebayimg.com/00/$(KGrHqN,!i0E3SGCFGI1BOHiy2zy,g~~_3.JPG
This is my temp controller . Dwh7016c 110v
Also, can I use 2 sensors one in water, and a...