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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Roebic FRK Foaming Tree Root Killer, Chemical Septic System, Drain Field and ...

Product ID: 646066834

Details

Active Ingredients
Dichlobenil 2
Brand
Roebic
Item Form
Granule
Item Weight
16 ounces
Liquid Volume
1 liters

🌿Patented foaming action

🚿Safe for all plumbing

⚙️Dichlobenil root inhibitor

€ 56.24

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Description

🌱 Keep your pipes flowing and your trees thriving—root problems solved, hassle gone!

EFFORTLESS APPLICATION - Just pour, flush, and relax—no complicated steps, no mess, no stress.
ECO FRIENDLY TREE SAFE - Kills roots without harming surrounding trees—because your yard deserves care too.
POWERFUL ROOT GROWTH INHIBITOR - Dichlobenil actively stops new roots from invading your sewer lines, protecting your investment.
UNIVERSAL PLUMBING COMPATIBILITY - Safe for all household pipes with no copper, ensuring long-term pipe health.
FOAMS ON CONTACT FOR MAXIMUM REACH - Patented formula expands to fill pipes, tackling root clogs where others can't.

Roebic FRK Foaming Tree Root Killer is a 1 lb granule formula designed to eliminate invasive tree roots in sewer and septic lines. Its patented foaming action fills pipes to remove clogs and prevent backups, while the active ingredient dichlobenil inhibits new root growth. Safe for all household plumbing and surrounding trees, it offers an easy, eco-conscious solution to maintain clear, clog-free pipes.

Specifications

ASIN	B000BQM5DS
ASIN	B000BQM5DS
Active Ingredients	Dichlobenil, 2,6 Dichlorobenzonitrile
Best Sellers Rank	#804 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #22 in Weed Killers
Brand Name	Roebic
Coverage	Treated area or volume of pipe line covered by 1 lb. of Foaming Root Killer
Customer Reviews	4.4 4.4 out of 5 stars (8,308)
Date First Available	September 1, 2004
Department	Unisex-Adult
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	Granule
Item Highlight	Foaming Tree Root Killer \| Targets Invasive Roots \| Helps Clear Sewer + Septic Line Clogs \| Maintains Pipe Flow
Item Type Name	Roebic FRK Foaming Root Killer, 1-Pound
Item Weight	16 ounces
Item model number	FRK-1LB
Liquid Volume	1 liters
Manufacturer	Roebic
Manufacturer	Roebic
Model Number	FRK-1LB
Number of Packs	1
Part Number	FRK-1LB
Product Dimensions	2.75 x 5 x 2.75 inches; 1 pounds
UPC	033051051752
Unit Count	16 Ounce
Warranty Description	Warranty

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€ 56.24

Duties & taxes included

In stock

Sold byAmazon SpainDelivered 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 Spain.

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TrustScore 4.5 | 7,300+ reviews

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Good experience, but the tracking updates could be better.

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