Safe Copper Formula for Maintaining Healthy Drainage Systems. Don't let tree roots wreak havoc on your plumbing. The fast-acting copper formula is designed to destroy roots at the point of entry, allowing you to enjoy a seamless drainage experience without the worry of re-growth.
eBay
Roots are destroyed at the point of entry into pipes. Once killed, the dead root "seals off" the point of entry and the root cannot re-grow. Non-corrosive, K-77 works without harming surrounding trees, ground cover, or the natural bacteria content in septic tanks and cesspools.
eBay
Powerful 100 percent Lye crystals make this drain opener one of the best! Product Type: Drain Cleaner. Product Form: Crystals. Compatible Pipe Material: All Pipes. Safe for Septic Systems: Yes.
eBay
Powerful 100 percent Lye crystals make this drain opener one of the best! Product Type: Drain Cleaner. Product Form: Crystals. Compatible Pipe Material: All Pipes. Safe for Septic Systems: Yes.
eBay