10 Best Sewer Pipe Root Killer of 2025

Tested and Reviewed: Top 10 Sewer Pipe Root Killer deals with expert ratings from 8.1 to a perfect 10

June 2025 Edition

Editor's Choice

9.7

RootX

ROOTX - 4LB. JAR with Funnel/APPLICATOR Foaming Root Control for Sewer Lines and Septic Systems

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Editor's bottom line:

“This sewer pipe root killer is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

ROOTX - 4LB. JAR WITH FUNNEL/APPLICATOR
EPA Accepted
Easy to apply
4 lb jar will treat 100' of 4" pipe or 75' of 6" pipe
Do not attempt to flush a 4 lb. jar through a toilet

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Picked by 180 people today

Best Value

9.5

Save 46%

Roebic

Roebic FRK-1LB Foaming Root Killer: Clear Pipes, Stop New Growth, Safe for All Plumbing - 1lb, White, Granules

46% OffFree Shipping

Main Highlights

For severe recurring root problems
Clears roots from pipes and stops new growth
Will not harm surrounding trees
Safe for all types of plumbing
Easy to use

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9.5

Save 9%

Roebic

Roebic K-77 Root Killer: Clears Pipes, Stops New Growth, Works for Sewer and Septic Systems - 32 Ounce

9% OffFree Shipping

Main Highlights

Clears and stops new root growth in sewer and septic pipes, preventing clogs from tree and shrub roots for smooth-flowing lines
Copper formula kills roots at pipe entry points, prevents re-growth, improves drainage, and flow for lasting pipe health
Non-corrosive, works for all plumbing. Won't harm trees, ground cover, or natural bacteria in septic tanks. Ideal for maintenance
Easy to use, apply every 6 to 12 months for optimal results. Maintain clear, clog-free pipes and prevent root intrusion
Maintain your system, prevent root clogs, avoid back-ups and surface breakouts. Real results for a clear pipeline
Destroys clogging roots fast
Safe for all plumbing. Will not harm septic tanks
Saves costly digging and rooter service
Not for sale in Connecticut, Massachusetts, the Bay counties of California
Banned for use in Septic Systems in Florida

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9.2

ADIOS!

Adios! Sewer and Septic Root Killer for Trees and Shrubs, Copper Sulfate Formula Protects Sewer Pipes, Drains and Septic Tanks from Invasive Root Growth (2 Pound)

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Main Highlights

PROVEN ROOT KILLER Copper sulfate based formula is EPA approved and formulated specifically for killing tree roots and shrub roots. Works on all tree types that include maple, pine, oak and others.
FOR SEWER LINE AND SEPTICS Kills roots in main lines, sewer and septic lines, and drain and leach fields. Protect and prevent damage to your septic systems!
PREVENTS REGROWTH Stops roots from regrowing in lines and pipes with existing root growth. Bi-annual use of Adios! Tree Root Killer will ensure tree roots do not have time to take hold and cause additional damage or breaks.
TREES AND YARD SAFE Will not kill or harm trees. Our formula is designed only to stop and prevent root growth and will not injure or hurt trees and shrubs. Registered under EPA establishment number 72838-IN-003
SEPTIC TANK APPROVED Adios! Tree Root Killer is designed to be safe to use in septic systems and drain fields. Plus, our formula will not affect septic tank bacteria or enzymes.

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9.0

Green Gobbler

Green Gobbler, FOAMING Root Killer | Kills Tree Roots in Pipes & Sewer Lines | Contains No Copper Sulfate | Safe for Pipes and Septic - 4 USES, 10LBS

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Main Highlights

KILL ROOTS THAT CAUSE CLOGS: Green Gobbler Foaming Root Killer helps dissolve tree roots growing inside pipes. It clears clogs, prevents regrowth and won't damage the tree if used as directed.
SAVE MONEY: Root removal can be costly. Instead of paying to physically cut out roots over and over again with no lasting results, pour Foaming Root Killer into your toilet or sewer cleanout. The formula travels down pipes to eliminate roots and prevent future growth.
PREVENT REGROWTH: Foaming Root Killer can be used to prevent roots from entering and regrowing inside your pipes. This helps get rid of the problem now and potential root problems down the road. Follow maintenance directions for best results.
SAFE FOR PIPES & SEPTIC: Green Gobbler Foaming Root Killer is safer for your pipes, septic systems, soil and trees. Follow instructions to ensure the correct amount of product reaches tree roots. Our formula contains no copper sulfate.
GREEN GOBBLER GUARANTEE: Green Gobbler cares about its customers. We take pride in developing innovative & effective products for your home or business. If for any reason you are unsatisfied, we offer a money-back guarantee within 30 days of purchase.

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8.8

Sanco Industries

Root Destroyer - 5lbs - Root Killer for Sewer, Pipe & Drain Lines, Septic Tanks and Septic Systems - Stops New Growth & Safe for All Plumbing - Pure Copper Sulfate Crystals

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Main Highlights

Made up of copper sulfate crystals that will kill invasive septic and sewer pipe roots without harming your tree.
Roots can cause significant damage to sewer lines, leading to blockages, backups, and costly repairs.
Root Destroyer will temporarily reduce bacterial action, but will return to normal approximately 15 days after treatment.
Only roots inside the leach line will be killed. Do not apply through sink or tub drains.
Use Root Destroyer at the rate of 2 lb. in an active 300 gallon septic tank 2 twice a year or anytime you have reduced water flow thought to be caused by root growth occurs.
In 1/2 lb. increments, pour Root Destroyer into the toilet bowl nearest the sewer line and flush; repeat this process until the recommended dose has been added.
Regular use of a root killer can help to prevent root growth and extend the lifespan of sewer lines, saving money and reducing the need for costly repairs.

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8.6

Save 6%

Zep

Zep Root Kill - 2 Lbs (Case of 4) ZROOT24 - Root Control in Septic Tanks and Leach Lines

6% Off

Main Highlights

Root Kill has been known to be an effective means to control roots in residential sewers.
Usually, within 3 to 4 weeks, after roots have accumulated sufficient copper sulfate, the roots will die and begin to decay and water flow should increase.
Do not apply Root Kill through sink or tub drains as it will corrode metal drains.
Will temporarily reduce bacterial action, but it will return to normal approximately 15 days after treatment.
Make no more than 2 applications per year.

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8.3