RectorSeal Calci-Free Tankless Water Heater Flush

Cleans heater coils thoroughly. Restores pressure and circulation in minutes, with no strong odor. Calci-Free is a unique, economical, biodegradable cleaner containing a combination of organic, inorganic and corrosion inhibiting ingredients. It is easy to use and works twice as fast as other cleaners. Use it for routine cleaning to remove calcium and other solid deposits from heating coils.|Calci-Free tankless water heater flush cleans heater coils thoroughly, restores pressure and circulation in minutes, with no strong odor, Calci-Free is a unique, economical, biodegradable cleaner containing a combination of organic, inorganic and corrosion inhibiting ingredients, it is easy to use and works twice as fast as other cleaners|More effective than vinegar|Easy to use no strong odor|Cleans heat exchanger fast