Test package provides immediate, unambiguous indicators of fuel quality without the need for technical expertise. Simple test is ideal for anyone who uses biodiesel fuel in their commercial or personal vehicles, giving immediate feedback on whether a fuel meets basic criteria for use. This kit includes, 1 water and visual clarity test, 1 acid test for B5/B20 and 1 total Glycerin test. U.S.A. Compatible With: Bio-diesel, Water and Visual Clarity Test: Yes, Acid Number Test: Yes, Total Glycerin Test: Yes, Biodiesel Style: B100, Test Qty.: 1 ea. (water & visual clarity, acid number, total glycerin) Fuel diagnostic tests allow you to instantly verify key quality indicators of B99 and B100 biodiesel fuel