Roebic K-77 Root Killer, Crystal, Powder, 2 lb, Bottle Blue

K-77 root killer destroys clogging tree and shrub roots from pipes fast. When roots invade sewer pipes and clog septic system drain fields, Roebic's fast acting root killing formulas are needed. K-77 root killer clears roots from leach fields, improving drainage and flow. This can prevent standing water and soggy conditions from developing over a leach field.