---
product_id: 355531079
title: "Spear Jackson Heavy Duty Sink and Drain Unblocker Gel - Powerful Formula- Indoor and Outdoor, 5 l (Pack of 1)"
brand: "spear & jackson"
price: "1105 kr"
currency: DKK
in_stock: true
url: https://www.desertcart.dk/products/355531079-spear-jackson-heavy-duty-sink-and-drain-unblocker-gel-powerful
store_origin: DK
region: Denmark
---

# Works in just 3 hours (overnight recommended) Safe for all pipe types, indoor & outdoor use Powerful gel formula dissolves blockages Spear Jackson Heavy Duty Sink and Drain Unblocker Gel - Powerful Formula- Indoor and Outdoor, 5 l (Pack of 1)

**Brand:** spear & jackson
**Price:** 1105 kr
**Availability:** ✅ In Stock

## Summary

> 🚀 Clear your drains, clear your day—power unblocker gel that works while you rest!

## Quick Answers

- **What is this?** Spear Jackson Heavy Duty Sink and Drain Unblocker Gel - Powerful Formula- Indoor and Outdoor, 5 l (Pack of 1) by spear & jackson
- **How much does it cost?** 1105 kr with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.dk](https://www.desertcart.dk/products/355531079-spear-jackson-heavy-duty-sink-and-drain-unblocker-gel-powerful)

## Best For

- spear & jackson enthusiasts

## Why This Product

- Trusted spear & jackson brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Rapid Action Gel:** Clears hair, grease, soap & food deposits in 3 hours.
- • **Trusted Heritage:** Backed by 250+ years of Spear & Jackson innovation.
- • **Long-lasting Freshness:** Sink freshener element keeps drains smelling brand new.
- • **Effortless Blockage Removal:** No drain snake needed—just pour and relax.
- • **Versatile Indoor & Outdoor Use:** Perfect for kitchen, bathroom, and exterior drains.

## Overview

Spear Jackson Heavy Duty Sink and Drain Unblocker Gel is a 5L powerful gel designed to dissolve tough blockages caused by hair, grease, soap, and food deposits. Safe for all pipe types and effective indoors and outdoors, it works within 3 hours (preferably overnight) to restore smooth drainage and freshen your sink. Trusted for over 250 years, this gel offers a hassle-free, fast-acting solution to keep your drains flowing freely.

## Description

Spear Jackson Heavy Duty Sink and Drain Unblocker Gel - Powerful Formula- Indoor and Outdoor, 5 l (Pack of 1)

## Features

- SPEAR & JACKSON CLEANING PRODUCTS: Since 1760 Spear and Jackson has been selling hand, garden, contractors, agricultural, landscaping and professional tools from its base in the city of Sheffield. Their range of cleaning products are made to target tough stains, grease, grim and fat. Their Heavy Duty Outdoor Drain Unblocker Gel is designed to clear any deposits that are blocking your sink, leaving it draining smoothly
- SINK UNBLOCKER LIQUID GEL: Spear and Jackson's Heavy Duty Sink And Drain Unblocker comes in gel form and is designed to dissolve the fat, food, hair or soap residue build up that's blocking your sink. Their heavy duty sink and drain unblocker gel will instantly clear and dissolve the unwanted blockage, and with the sink freshener element of the gel, your sink will be look and smell brand new
- BATHROOM & KITCHEN SINK UNBLOCKER: With no drain snake require, this product really couldn't be any easier to use. The gel will dissolve any build up that is causing a blockage in your sink or drain in 3 hours. Ideal for the kitchen or bathroom sink, however this Heavy Duty Sink & Drain Unblocker works on exterior drains just as well. In comparison to other drain cleaners and unblockers on the market, this product has a powerful formulation that achieves results in rapid speed
- BATHROOM CLEANING PRODUCTS: Spear and Jackson's fast acting, powerful and effective sink and drain unblocker liquid is perfectly safe to use on all pipe types. For the best results, pour the heavy duty drain unblocker down the plughole, leave for a minimum of 3 hours (preferably overnight) and finish off by flushing the drain with hot water for at least 2 minutes to completely free any blockages - it's really that easy!
- SPEAR & JACKSON: With over 250 years experience and continuous innovation, Spear and Jackson have built an enviable reputation with their market leading products that offer high quality performance tools to suit a wide range of needs. Whether you're looking to unblock your sink drain or a concentrated mould, algae and moss spray then shop Spear and Jackson range of versatile, effective and long lasting cleaning products

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Units | 5000.0 millilitre(s) |
| Brand | Spear & Jackson |
| Manufacturer | Assured Products Limited |
| Country of origin | United Kingdom |

## Product Details

- **Brand:** Spear & Jackson
- **Scent:** Unscented
- **State of matter:** Liquid
- **Product benefits:** Dissolves various types of blockages and freshens sinks
- **Manufacturer:** Assured Products Limited

## Images

![Spear Jackson Heavy Duty Sink and Drain Unblocker Gel - Powerful Formula- Indoor and Outdoor, 5 l (Pack of 1) - Image 1](https://m.media-amazon.com/images/I/61V6bIrKnXL.jpg)

## Questions & Answers

**Q: how much needs to be used at a time?**
A: All of it for heavily blocked outdoor drains.

**Q: Spear jackson heavy duty sink and drain unblocker gel -is this sulphuric acid**
A: Not that I remember re sulphuric acid but the product was not as good as I was hoping.

**Q: will this item clear outdoor drains**
A: Yes. It cleared mine.

**Q: I think i may have candle wax far down my drain, will this remove it please?**
A: Probably. Boiling hot water should work, also. I'd try that first as it's free.

## Frequently Bought Together

- Spear Jackson Heavy Duty Sink and Drain Unblocker Gel - Powerful Formula- Indoor and Outdoor, 5 l (Pack of 1)
- Mr Muscle Drain Unblocker, Sink & Drain Cleaner, Fast Acting Heavy Duty Gel Formula, Dissolves Clogs, Works 3x Better Than Bleach, Safe for All Pipes, Duo Pack (2 x 500ml)
- Mr Muscle Drain Unblocker, Sink & Drain Cleaner, Fast Acting Heavy Duty Gel Formula, Dissolves Clogs, Works 3x Better Than Bleach, Safe for All Pipes, Duo Pack, (2 x 1L)

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**Shop now:** [https://www.desertcart.dk/products/355531079-spear-jackson-heavy-duty-sink-and-drain-unblocker-gel-powerful](https://www.desertcart.dk/products/355531079-spear-jackson-heavy-duty-sink-and-drain-unblocker-gel-powerful)

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*Product available on Desertcart Denmark*
*Store origin: DK*
*Last updated: 2026-01-24*