Can this product be poured into the cleanout pipe, outside the house, or is there any specific reason it should be poured into the toilet? Thanks

If you pour it into your toilet, be careful, you have to flush quickly or it will foam out of the toilet and then you will have a mess. I know where my problem is so I use the cleanout pipe. I didn't use it this year (2020) and it cost me $125 to have it snaked out.

How long does it take to work?

It kills the roots immediately. Then the fungi and bacteria rot the dead roots and they wash away over time.

Have two toilets, does it matter which one or should I use it on both? If so, not at the same time? Wait a couple of days apart? Thanks.

use on the toilet that's slow or backed up it goes to the main line to clear the pipe line. The catch is that you must use it every 3 months especially in the winter or rainy months when roots are growing. A plumber used this to clear the line the first time my line got clog and he charged $75 due to the company he worked for. But I am finding it at Home Depot for $16.95 and I live with it and recommend it. I forgot to use it for 6 months and the roots came back but with a repeated use of every 3 weeks my lines are clear again....so get it and stay with it on a regular bases or routine of every 3 months to avoid having a huge plumbing bill.

Which months should this be poured into the toilet? Now is too late?

It can be used any time, but it is best to apply twice a year about 6 months apart. Now is a good time to use and then again in spring.

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FRK-1LB Foaming Root Killer, Clears Pipes and Stops New Growth, Safe for All Plumbing, 1 Pound White

Product ID: 274536588

Details

Active Ingredients
Dichlobenil 2
Brand
Roebic
Item form
Liquid
Item weight
1 Pounds
Liquid volume
1 Liters

🌊Foams on contact to fill pipes

🔧Safe for all plumbing types

🧪Dichlobenil-powered root killer

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310617Fr

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Sold byAmazon CongoDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🚿 Clear pipes, stop roots, and never miss a flow!

TRUSTED LEGACY - Over 50 years of Roebic innovation ensures reliable, professional-grade performance.
EASY APPLICATION - Simple, effective use for residential sewer lines and root intrusion zones—keep backups at bay.
BROAD SPECTRUM COVERAGE - Non-selective formula targets all root intrusions for severe, recurring blockages.
POWERFUL ROOT ERADICATION - Foaming action delivers dichlobenil deep into pipes to obliterate roots and prevent regrowth.
UNIVERSAL PLUMBING SAFETY - Formulated to protect all plumbing materials—no corrosion, no damage, just clean pipes.

Roebic FRK-1LB Foaming Root Killer is a 1-pound liquid formula that foams on contact to fill sewer pipes, using the active ingredient dichlobenil to destroy and prevent root growth. Safe for all plumbing types and designed for severe root blockages, it offers professional-grade performance backed by over 50 years of Roebic expertise.

Specifications

ASIN	B000BQM5DS
Active Ingredients	Dichlobenil, 2,6 Dichlorobenzonitrile
Brand	Roebic
Brand Name	Roebic
Coverage	non-selective broad spectrum coverage
Customer Reviews	4.3 out of 5 stars 7,670 Reviews
Global Trade Identification Number	00033051002778, 00033051051752
Included Components	Roebic FRK-1LB Foaming Root Killer, Clears Pipes and Stops New Growth, Safe for All Plumbing, 1 Pound White
Item Form	Liquid
Item Type Name	Roebic FRK Foaming Root Killer, 1-Pound
Item Weight	1 Pounds
Item form	Liquid
Item weight	1 Pounds
Liquid Volume	1 Liters
Liquid volume	1 Liters
Manufacturer	Roebic
Model Number	FRK-1LB
Part Number	FRK-1LB
UPC	033051051752
Unit Count	16 Grams

Reviews

I**.

Fantastic

23.04.2026

J**O

Cumple

Ha funcionado correctamente

16.08.2020

A**I

Life saving stuff!

25.01.2026

P**S

Good Stuff!

14.01.2013

W**N

Slow but effective

1.10.2025

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310617Fr

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In stock

Sold byAmazon CongoDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Congo.

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