Roebic FRK Foaming Root Killer - 1 lb.

FRK foams on contact with water foams on contact with water to fill the entire sewer pipe with the root killing agent, dichlobenil. It covers the inside surface of the pipe, and sticks well to roots resulting in longer lasting residual killing action. Also contains ingredients to speed up the natural decaying process of the roots, resulting in quicker relief from clogs.