Anyone who runs a restaurant or any other eating establishment is fully cognizant of the dangers of using bad oil in your deep fryer.  If the concentration of free fatty acids (FFAs) becomes too high, your fried foods become dark and shriveled, totally unattractive and unappetizing to your patrons.  To help keep your fried goods their freshest, Food Service Direct offers a number of reliable and accurate shortening monitors.  These monitors tell you the concentration of FFAs in your fry grease, so that you can be sure that your fried foods are as delicious as possible!