Utility Wonder 10-605 Root Away Root Destroyer, 2 lb. Flush these pre-measured water soluble packets, containing chemical crystals, to eliminate roots in piping systems. Packets eliminate skin contact and are always the correct amount. There is never a mess from mixing and measuring. Use periodically to prevent the accumulation of roots. Root Away is completely harmless to drainage lines and sewage disposal systems and it wont harm trees or plants. E. P. A. registered. 2 lb.