Star Tron Tank Cleaner is a revolutionary Enzyme Fuel Tank Cleaning Additive   1 Gallon Treats up to 500 Gallon Capacity Tank  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