Hy-Per Cool Cleaner & Super Flush (HFL400C)

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What it's for:
  • Cooling System
What it does:
  • Cleans
  • Cleans Entire Cooling System
  • Removes Coolant Gel
  • Complete Cleaning in 30 Minutes or Less
  • Do I have to drain my radiator first?

    Yes, per the label directions you are supposed to drain the system and install just water.

  • Does Radiator Cleaner & Super Flush contain acid?

    No, and it requires no neutralizing.

  • Can this be used with copper, aluminum, and plastic radiators?

    Yes, since this contains no acid, you can use in old and newer vehicles with copper, aluminum, and plastic radiators.

  • Will Rislone Hy-per Cool Radiator Cleaner & Super Flush hurt my cooling system?

    No, it is a non-acid formula and is safe to use on all cooling system materials. It is harmless to all parts of the cooling system, including aluminum.

  • What are the dosage recommendations?

    Use one 473 mL oz. bottle of Radiator Cleaner & Super Flush, part number HFL400C, for every 15 liters of capacity.

  • The bottle froze before I was able to use it, what can I do?

    If the bottle did not break from freezing, just let the product thaw out, shake well, and use as normal.

Hy-per Cool Cleaner & Super Flush removes coolant gels and neutralizes acids in the cooling system.  It cleans the entire cooling system, preventing overheating and corrosion.

  • Eliminates damaging coolant gels.
  • Reduces operating temperatures.
  • Neutralizes acids that cause corrosion.
  • Helps prevent formulation of scales/deposits.
  • For us in Gasoline & Diesel Engines.


Part Number: HFL400C
Dosage: One bottle treats up to 15 Liter systems.
Size: 473 mL

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