Does it have to be flushed? could i instead empty it down the bath? pipe with root isn't connected to the toilet. also is it effective for a hopper?

The instructions are loo focused and as such the powder is emptied in the loo and then it needs washing down the drain to where the roots are. I would be worried about putting it in a plastic bath and think it would be hard to get it down the plug hole. Re hopper surely it would be easier to just cut or pull the roots out.

Can this be used to clear roots from cast iron pipe

I tried it but don’t think it worked. However it may have been a faulty batch as it did not foam in the pipe.

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Roebic Laboratories FRK-1LB Roebic FRK Foaming Root Killer, 1-Pound, 1 lb, White

Roebic Laboratories FRK-1LB Roebic FRK Foaming Root Killer, 1-Pound, 1 lb, White

Product ID: 53462579

Details

Active ingredients
Dichlobenil 2
Brand
Roebic
Item form
Liquid
Item weight
1 Pounds
Liquid volume
1 Litres

⏳Long-lasting slow-release action

🌿Kills roots & prevents regrowth

🛠️Safe for all pipe types

₨32929

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Description

🌿 Keep your pipes root-free and stress-free—because your home deserves the best flow!

ROOT ANNIHILATOR - Foaming formula penetrates deep to clear and stop root growth before it clogs your pipes.
TRUSTED PROVEN - Thousands of satisfied users rely on Roebic FRK for reliable, slow-acting root control.
PIPE FRIENDLY POWER - Engineered to protect all plumbing materials—no corrosion, no damage, just clean flow.
ECO CONSCIOUS FORMULA - Targets roots effectively while minimizing harm to surrounding trees and plants.
EFFORTLESS MAINTENANCE - Simple annual use keeps your drains clear without costly excavation or repairs.

Roebic FRK Foaming Root Killer is a 1-pound liquid treatment designed to eliminate invasive roots clogging your plumbing. Its foaming action penetrates deep into pipes, killing existing roots and preventing regrowth safely across all pipe types. Ideal for annual maintenance, it offers a cost-effective alternative to costly root removal, backed by thousands of positive reviews and trusted by professionals.

Specifications

ASIN	B000BQM5DS
Active Ingredients	Dichlobenil, 2,6 Dichlorobenzonitrile
Best Sellers Rank	11,429 in Garden ( See Top 100 in Garden ) 20 in Plant Root Stimulators 2,291 in Pest Control Products
Brand Name	Roebic
Country of Origin	USA
Coverage	non-selective broad spectrum coverage
Customer Reviews	4.2 4.2 out of 5 stars (7,789)
Global Trade Identification Number	00033051002778, 00033051051752
Item Form	Liquid
Item Type Name	Roebic FRK Foaming Root Killer, 1-Pound
Item Weight	1 Pounds
Liquid Volume	1 Litres
Manufacturer	Roebic Laboratories
Model Number	FRK-1LB
Number of Packs	1
Part Number	FRK-1LB
UPC	033051051752
Unit Count	450.0 millilitre

Common Questions

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Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

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Desertcart is an international e-commerce platform operating since 2014. We securely process thousands of orders globally each day. Every product goes through our quality verification process before delivery, and we provide end-to-end order tracking, 24/7 customer support, and a comprehensive returns policy to ensure a safe shopping experience.

How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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TrustScore 4.5 | 7,300+ reviews

Farhan Q.

The delivery time was excellent, and the packaging was secure.

2 months ago

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Great price for an authentic product. Fast international shipping too!

3 weeks ago

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₨32929

Duties & taxes included

In stock

Sold byAmazon Sri LankaDelivered 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 Sri Lanka.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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Very impressed with the quality and fast delivery. Will shop here again.

4 days ago

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Good experience, but the tracking updates could be better.

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