RectorSeal Calci-Free Tankless Water Heater Cleaner Size:1.2 LB so you know when to

so you know when to power back up

Made from premium hardwood

For full use instructions

Stir thoroughly before and during application

RectorSeal Calci-Free Tankless Water Heater Cleaner Size:1.2 LB so you know when toCalci Free Tankless Water Heater Flush is an efficient chemical cleaner made for tankless water heater found in commercial & residential application. It contains a unique combination of organic & inorganic cleaners & patented corrosion inhibitors. Features Restores water flow pressure and circulation in 20 min. More effective than vinegar Easy to use with no strong odor Cleans heat exchanger fast Biodegradable