Introducing SAR-GEL® Water Finding Paste - the ultimate solution for detecting water contamination in fuel storage tanks. This non-toxic, CMR-free blue paste turns dark blue upon contact with water, making it easy to identify water bottoms and contamination in gasoline, diesel, jet fuel, and more. With its fast reaction time and ability to perform even in extreme temperatures, SAR-GEL® ensures reliable and efficient detection for your business. Simply use the included tank gauge stick to identify the level of water in your tanks. Sold in convenient boxes of 12 x 1 oz tubes, SAR-GEL® Water Finding Paste is the perfect addition to your fuel storage maintenance routine.