Formulated to quickly and economically kill and dissolve fungus and roots from trees and shrubs that have entered the sewer line, septic tank, and drain fields.
- Will not harm trees, shrubs, sewer, or drain pipes.
- Apply 1/3 of container crystals into toilet bowl flushing repeatedly until all crystals are gone.
- Repeat every 3 to 4 months.
- Formulation: Copper Sulfate.