10 Best Root Killer For Sewer Lines of 2026

Last updated on 06/13/2026

Advertising disclosure

Most Relevant

Most Relevant

Best Choice

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)

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)

ADIOS!

Why we love it

EPA approved and effective formula.
Prevents damage to sewer systems.
Safe for trees and shrubs.

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.

9.7

Exceptional

9.7

Exceptional

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)

Why we love it

EPA approved and effective formula.
Prevents damage to sewer systems.
Safe for trees and shrubs.

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.

Value for Money

Roebic FRK Foaming Root Killer, 1-Pound (4, 1 lb)

Roebic FRK Foaming Root Killer, 1-Pound (4, 1 lb)

Roebic

Why we love it

Effective at killing roots.
Prevents future root growth.
Safe for septic systems.

Main Highlights

Quantity of (4) : 1 LB Foaming Root Killer
Specially Formulated To Kill Existing Roots & Help To Prevent New Root Growth
Flush Application In Toilet For Best Results
Will Not Harm Surrounding Trees, Ground Cover Or Natural Bacteria In Septic Systems

Roebic FRK Foaming Root Killer, 1-Pound (4, 1 lb)

Why we love it

Effective at killing roots.
Prevents future root growth.
Safe for septic systems.

Main Highlights

Quantity of (4) : 1 LB Foaming Root Killer
Specially Formulated To Kill Existing Roots & Help To Prevent New Root Growth
Flush Application In Toilet For Best Results
Will Not Harm Surrounding Trees, Ground Cover Or Natural Bacteria In Septic Systems

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

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

RootX

Why we love it

EPA Accepted for safe use.
Easy application with funnel included.
Covers significant pipe lengths effectively.

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

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

Why we love it

EPA Accepted for safe use.
Easy application with funnel included.
Covers significant pipe lengths effectively.

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

Roebic Foaming Root Killer - Quantity 6

Roebic Foaming Root Killer - Quantity 6

RootX - 4 LB. Jar (No. Funnel/Applicator) Foaming Root Control for Sewer Lines and Septic System

RootX - 4 LB. Jar (No. Funnel/Applicator) Foaming Root Control for Sewer Lines and Septic System

RootX

Why we love it

EPA Accepted for peace of mind.
Easy to apply and hassle-free.
Treats up to 100 ft pipes.

Main Highlights

EPA Accepted
Easy to Apply
A 4 lb. jar is designed to treat 100 ft of 4-inch or 75 ft of 6" pipe
Eliminates tree root blockages in sewers

RootX - 4 LB. Jar (No. Funnel/Applicator) Foaming Root Control for Sewer Lines and Septic System

Why we love it

EPA Accepted for peace of mind.
Easy to apply and hassle-free.
Treats up to 100 ft pipes.

Main Highlights

EPA Accepted
Easy to Apply
A 4 lb. jar is designed to treat 100 ft of 4-inch or 75 ft of 6" pipe
Eliminates tree root blockages in sewers

Roebic FRK Foaming Root Killer, 1-Pound (3, 1 lb)

Roebic FRK Foaming Root Killer, 1-Pound (3, 1 lb)

Roebic FRK Foaming Root Killer, 1-Pound (3, 1 lb)

Roebic K-77 Granular Tree Root Killer, Chemical Septic System, Drain Field and Sewer Line Pipe Clog Remover and Root Destroyer, Safe for Bathroom Toilet, 32 oz

Roebic K-77 Granular Tree Root Killer, Chemical Septic System, Drain Field and Sewer Line Pipe Clog Remover and Root Destroyer, Safe for Bathroom Toilet, 32 oz

Roebic

Why we love it

Prevents clogs from tree roots.
Safe for all plumbing systems.
Easy to use and apply.

Main Highlights

KILLS ROOTS IN SEWER AND SEPTIC PIPES: Roebic K-77 Root Killer clears existing roots and stops new growth fast from sewer and septic pipes, keeping lines free from clogging tree and shrub roots
PREVENTS RE-GROWTH: The K-77 copper formula chemically kills roots at the point of entry into pipes to prevent re-growth, improving drainage and flow
SAFE FOR ALL PLUMBING: Root Killer is non-corrosive and safe for all types of plumbing and will not harm surrounding trees, ground cover, or the natural bacteria content in septic tanks and cesspools
EASY TO USE: Use every 6 to 12 months
REAL RESULTS: Use K-77 Root Killer to maintain your system and help avoid the inconveniences that result from root clogs such as back-ups and surface break outs
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

Roebic K-77 Granular Tree Root Killer, Chemical Septic System, Drain Field and Sewer Line Pipe Clog Remover and Root Destroyer, Safe for Bathroom Toilet, 32 oz

Why we love it

Prevents clogs from tree roots.
Safe for all plumbing systems.
Easy to use and apply.

Main Highlights

KILLS ROOTS IN SEWER AND SEPTIC PIPES: Roebic K-77 Root Killer clears existing roots and stops new growth fast from sewer and septic pipes, keeping lines free from clogging tree and shrub roots
PREVENTS RE-GROWTH: The K-77 copper formula chemically kills roots at the point of entry into pipes to prevent re-growth, improving drainage and flow
SAFE FOR ALL PLUMBING: Root Killer is non-corrosive and safe for all types of plumbing and will not harm surrounding trees, ground cover, or the natural bacteria content in septic tanks and cesspools
EASY TO USE: Use every 6 to 12 months
REAL RESULTS: Use K-77 Root Killer to maintain your system and help avoid the inconveniences that result from root clogs such as back-ups and surface break outs
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

Green Gobbler, FOAMING Root Killer | Kills Tree Roots in Pipes & Sewer Lines | Contains No Copper Sulfate | Safe for Pipes and Septic - 2 USES, 4 LBS

Green Gobbler, FOAMING Root Killer | Kills Tree Roots in Pipes & Sewer Lines | Contains No Copper Sulfate | Safe for Pipes and Septic - 2 USES, 4 LBS

Green Gobbler

Why we love it

Kills roots effectively and safely.
Saves money on expensive repairs.
Prevents future regrowth issues.

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 safe 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.

Green Gobbler, FOAMING Root Killer | Kills Tree Roots in Pipes & Sewer Lines | Contains No Copper Sulfate | Safe for Pipes and Septic - 2 USES, 4 LBS

Why we love it

Kills roots effectively and safely.
Saves money on expensive repairs.
Prevents future regrowth issues.

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 safe 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.

Roebic FRK Foaming Tree Root Killer, Chemical Septic System, Drain Field and Sewer Line Pipe Clog Remover and Root Destroyer, Safe for Bathroom Toilet, White Granules, 1 lb (Pack of 3)

Roebic FRK Foaming Tree Root Killer, Chemical Septic System, Drain Field and Sewer Line Pipe Clog Remover and Root Destroyer, Safe for Bathroom Toilet, White Granules, 1 lb (Pack of 3)

Roebic

Why we love it

Kills roots effectively everywhere.
Prevents future root growth.
Safe for all plumbing systems.

Main Highlights

PREVENT CLOGS AND BACKUPS: Cut down on severe recurring root problems and keep your pipes running smoothly with our Roebic Foaming Tree Root Killer! Our root destroyer is a patented product which will foam on contact with water to fill the entire pipe line, and is used for removing clogs and preventing costly backups
POWERFUL ROOT-REMOVING FORMULA: Our sewage line root killer features the powerful agent dichlobenil which works to inhibit new root growth in the entire pipe line
KEEPS SURROUNDING TREES SAFE: Our chemical drain opener won't harm surrounding trees during use, ensuring that the environment remains protected during application
SAFE FOR ALL PLUMBING: Our toilet clog dissolver is capable of being used on all household plumbing and does not contain copper, ensuring that your pipes run smoothly without the risk of any harmful chemicals. Perfect for families wanting to regularly maintain their pipe lines
EASY TO USE: Our tree roots killers are easy to use, simply pour the entire contents into your toilet and flush! Restrict water usage for 4 to 6 hours, flush 2 to 3 times depending on the toilet

Roebic FRK Foaming Tree Root Killer, Chemical Septic System, Drain Field and Sewer Line Pipe Clog Remover and Root Destroyer, Safe for Bathroom Toilet, White Granules, 1 lb (Pack of 3)

Why we love it

Kills roots effectively everywhere.
Prevents future root growth.
Safe for all plumbing systems.

Main Highlights

PREVENT CLOGS AND BACKUPS: Cut down on severe recurring root problems and keep your pipes running smoothly with our Roebic Foaming Tree Root Killer! Our root destroyer is a patented product which will foam on contact with water to fill the entire pipe line, and is used for removing clogs and preventing costly backups
POWERFUL ROOT-REMOVING FORMULA: Our sewage line root killer features the powerful agent dichlobenil which works to inhibit new root growth in the entire pipe line
KEEPS SURROUNDING TREES SAFE: Our chemical drain opener won't harm surrounding trees during use, ensuring that the environment remains protected during application
SAFE FOR ALL PLUMBING: Our toilet clog dissolver is capable of being used on all household plumbing and does not contain copper, ensuring that your pipes run smoothly without the risk of any harmful chemicals. Perfect for families wanting to regularly maintain their pipe lines
EASY TO USE: Our tree roots killers are easy to use, simply pour the entire contents into your toilet and flush! Restrict water usage for 4 to 6 hours, flush 2 to 3 times depending on the toilet

Zep Root Kill - 2 lbs - ZROOT24 - Drain and Septic Care, Professional Strength Formula

Zep Root Kill - 2 lbs - ZROOT24 - Drain and Septic Care, Professional Strength Formula

Zep

Why we love it

Direct use in homes.
Professional strength root killer.
Safe for trees.

Main Highlights

For direct use in household or residential sewer systems, septic tanks, leach lines, and leach line pipes. NOT FOR USE IN: sink or tub drains
Professional strength: Zep Root Kill is a pro-strength, granular formula that is highly effective at dissolving tree roots in sewer systems and pipes
Safe for trees: the drain root killer effectively gets rid of unwanted tree roots in pipes but does not harm trees and shrubs
Safe on pipes: Zep Root Kill is specially formulated as a septic root killer but is safe to use in all septic systems and pipes
NOTE: This item is not available to ship to the state of California.

Zep Root Kill - 2 lbs - ZROOT24 - Drain and Septic Care, Professional Strength Formula

Why we love it

Direct use in homes.
Professional strength root killer.
Safe for trees.

Main Highlights

For direct use in household or residential sewer systems, septic tanks, leach lines, and leach line pipes. NOT FOR USE IN: sink or tub drains
Professional strength: Zep Root Kill is a pro-strength, granular formula that is highly effective at dissolving tree roots in sewer systems and pipes
Safe for trees: the drain root killer effectively gets rid of unwanted tree roots in pipes but does not harm trees and shrubs
Safe on pipes: Zep Root Kill is specially formulated as a septic root killer but is safe to use in all septic systems and pipes
NOTE: This item is not available to ship to the state of California.