Roebic FRK6 Root Killer, Granular, 1 lb, Can Brown/White

Foaming root killer destroys roots that find their way into in a home's sewer line, which can cause costly backups. Foaming root killer is a patented product which foams on contact with water to fill the entire pipe line with the root killing agent dichlobenil. Foaming root killer is recommended for severe recurring root problems.