Available in 1.5-lb cans
Formulation: Copper Sulphate
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.
Application Rate: Apply 1/3 of container crystals into a toilet bowl. Immediately flush toilet repeatedly until all crystals have been flushed down. Repeat application every 3-4 months.