---
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: "€ 68.56"
currency: EUR
in_stock: true
category: "Spear & Jackson"
url: https://www.desertcart.gr/products/355531079-spear-jackson-heavy-duty-sink-and-drain-unblocker-gel-powerful
store_origin: GR
region: Greece
---

# Clears blockages in 3 hours Safe for indoor & outdoor drains Powerful heavy-duty gel formula Spear Jackson Heavy Duty Sink and Drain Unblocker Gel - Powerful Formula- Indoor and Outdoor, 5 l (Pack of 1)

**Brand:** spear & jackson
**Price:** € 68.56
**Availability:** ✅ In Stock

## Summary

> 🚿 Unclog like a pro—because your sink deserves the best flow!

## 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?** € 68.56 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.gr](https://www.desertcart.gr/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

- • **Trusted Heritage:** Backed by 250+ years of Spear & Jackson innovation and quality.
- • **Rapid Action Formula:** Dissolves hair, grease, soap, and food deposits in just 3 hours.
- • **Long-Lasting Freshness:** Not only clears blockages but leaves your drains smelling brand new.
- • **Effortless Drain Revival:** Just pour, wait, and flush—no tools needed for a clog-free sink.
- • **Versatile & Pipe-Friendly:** Safe on all pipe types, 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. It works within 3 hours without the need for tools, is safe for all pipe types, and suitable for both indoor and outdoor drains. Trusted for over 250 years, this gel keeps your drains flowing smoothly and smelling fresh.

## Description

Product description Sink & Drain Unblocker Gel quickly clears drains and plug holes, dissolving hair, soap, grease and food deposits, the common causes of blockages even through standing water. Regular use maintains free running and keeps drains fresh. The concentration of Sodium Hypochlorite is less than 10% Contents: 1 x 5L Drain Unblocker. Directions Pour the heavy duty drain unblocker down the plughole, leave for a minimum of 3 hours (preferably overnight), then finish off by flushing the drain with hot water for at least 2 minutes. P.when('A').execute(function(A) { A.on('a:expander:toggle_description:toggle:collapse', function(data) { window.scroll(0, data.expander.$expander[0].offsetTop-100); }); }); Safety Warning Keep away from the reach of kids. Legal Disclaimer Note: The colour of the bottle may vary See more

## Features

- Causes serious eye damage.
- Causes severe skin burns and eye damage.
- Harmful to aquatic life with long lasting effects.
- May be corrosive to metals.
- Warning! Do not use together with other products. May release dangerous gases (chlorine).
- 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!
- The concentration of Sodium Hypochlorite is less than 10%

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B09DQ8T3ZZ |
| ASIN  | B09DQ8T3ZZ |
| Benefits | Dissolves various types of blockages and freshens sinks |
| Best Sellers Rank | 8,128 in Grocery ( See Top 100 in Grocery ) 51 in Drain Openers |
| Brand Name | Spear & Jackson |
| Country of Origin | United Kingdom |
| Country of origin  | United Kingdom |
| Customer Reviews | 4.2 4.2 out of 5 stars (920) |
| Customer reviews | 4.2 4.2 out of 5 stars (920) |
| Delivery information | We cannot deliver certain products outside mainland UK ( Details ). We will only be able to confirm if this product can be delivered to your chosen address when you enter your delivery address at checkout. |
| Global Trade Identification Number | 05060744384106 |
| Guaranteed software updates until  | unknown |
| Item Form | gel |
| Liquid Volume | 5000 Millilitres |
| Manufacturer | Assured Products Limited |
| Manufacturer  | Assured Products Limited |
| Number of Items | 1 |
| Scent | Unscented |
| State of Matter | Liquid |
| Unit Count | 5000.0 millilitre |

## Product Details

- **Brand:** Spear & Jackson
- **Product benefits:** Dissolves various types of blockages and freshens sinks
- **Scent:** Unscented
- **State of matter:** Liquid
- **Unit count:** 5000.0 millilitre

## 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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*Product available on Desertcart Greece*
*Store origin: GR*
*Last updated: 2026-10-23*