Starbrite Star*Tron Tank Cleaner 64 oz. (New) Product no. 93664 Description: Revolutionary Enzyme Tank Cleaner Additive Features: Exceptional in cleaning sludge and other fuel contaminants from gasoline and diesel tanks Removes water that encourages microbial growth in diesel fuel Enzyme will clean tanks better than any tank cleaning service. Exceptional at eliminating varnish and gum "gel" from E-10 gas after a water phase-separation occurrence Remarks: Go to "What's New Info" below and Click on "StarTron"