Make sure your fryer oil meets your quality standards with the 3M 1004 Oil Quality Test Strips. These test strips measures free fatty acid concentrations at 1%, 1.5%, 2% and 2.5%, and they can be used with both animal and vegetable shortenings. The test strips change color in around 5 seconds to give you fast, easy-to-read results.
Easy-to-read color-changing strips
Measures fatty acids in 1%, 1.5%, 2% and 2.5% concentrations