Rislone Hy-per Cool Radiator Cleaner and Super Flush

The Rislone Hy-per Cool Radiator Cleaner and Super Flush is formulated to remove damaging coolant deposits that build up over time and cause engine overheating. It also neutralizes acids and helps prevent the formation of scale deposits for longer system life. Its Heavy Duty Xtreme Clean formula cleans the entire cooling system, removing solder bloom, oily residue, rust, and scale. Rislone Hy-per Cool Radiator Cleaner and Super Flush is fast, easy, and safe to use in all cooling systems. It removes deposits and coolant gel for a complete cleaning in about 30 minutes, the company says. Made in the U.S.A.