Thrift T-600 Alkaline Based 6 lb. Granular Drain Cleaner by Thrift

Features :Pro tip: Use twice a year to remove current roots and prevent future clogs! Drain opener features an effective, granular formula removes shrub and tree rootsSafe for all drains, pipes and septic systmesIntended for drain lines and septic tanksCopper sulfate root killer formula that will not harm trees or shrubs. Sewer treatment for root and fungus control. Features a childproof cap