Clear-Diesel Fuel & Tank Cleaner

The Fuel Polishing Formula of Clear-Diesel Fuel & Tank Cleaner removes water and slime, disperses contaminants and stabilizes fuel during long-term storage. Use at least quarterly or as-needed.
  • Disperses diesel fuel contaminants

  • Removes water and slime

  • +Petrofresh provides maximum long-term storage stability – keeps fuel fresh

  • Prevents premature fuel filter plugging

  • Protects against fuel tank corrosion

  • Effective in conjunction with Bio Kleen Diesel Fuel Biocide to remove residual water and contaminants during microbial contamination clean ups

  • Effective in all diesel fuels, including Ultra Low Sulfur Diesel (ULSD), biodiesel and biodiesel blends

  • Safe for use in all diesel engines
  • Does not contain alcohol of any kind

  • Will not void engine manufacturer's warranty when used as directed


Ultra Low Sulfur Diesel (ULSD) fuel has more problems with microbial contamination than previous higher sulfur fuels. Since ULSD can no longer carry water dissolved in solution, more water is shedding to the bottom of fuel tanks, creating a life-support system and breeding ground for microbes. Parrafin content has increased as sulfur and aromatics decrease, providing a major food source to microbes. Additionally, sulfur is a natural poison to bacteria and fungus and its reduction has further exacerbated microbial contamination problems in ULSD.

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