Anybody have a specific recommendations for a fridge/freezer thermometer, something to measure the temperature of a fridge? My fridge has a knob to help control how cold it is, but its kind of useless without knowing what the temperature is. If the fridge is too warm, its not cold enough to slow down growth of bacteria. And, if its too cold, you're paying more than necessary to keep it cool and possibly chilling veggies too much.
You should buy two thermometers. One for the freezer and the other for the frig. When I bought mine, I tested them. I put both in the frig over night and check to see if they both read the same. I did it again in the freezer. The freezer should be at zero or under and the frig just under 40 degrees. If you want to know the temperature of your frig or freezer, you have to keep the door close for several hours. I just leave the thermometer in there overnight and check it first thing in the AM.