K-77 Root Killer can be used as needed to kill troublesome roots， thereby restoring proper working order to the system. This product works without harming surrounding trees， ground cover， or the natural bacterial content of the septic tank or cesspool. However， if your system has no flow at all， then you should first have the system mechanically cleaned out before treating with K-77 Root Killer. The reason for this is if K-77 Root Killer cannot get to the roots， it cannot kill them. K-77 Root Killer should clear your system of roots in anywhere from 2 days to 2 weeks. The time it takes depends on the severity of your root problem， and where in the system the root problem is occurring. If you do need to have the system rooted out， wait 3 to 4 weeks after this is done before applying the K-77 Root Killer.

Product Description:

• Keeps lines free from clogging tree and shrub roots
• Roots seek out small openings in pipe lines in search of water
• Once penetrated， rapid growth causes blockage
• Fast and easy to use
• 2 Pounds