---
product_id: 90561603
title: "SmartSeal Green Clear Pro - 25 Litres - Biocide (Health & Safety Executive Approval Number 11004) Powerful Green Algae Remover - Best Lichen & Black Mould Remover - Perfect Roof & Driveway Cleaner"
brand: "smartseal"
price: "5603 kr"
currency: DKK
in_stock: true
reviews_count: 2
url: https://www.desertcart.dk/products/90561603-smartseal-green-clear-pro-25-litres-biocide-health-and-safety
store_origin: DK
region: Denmark
---

# Biocide formula targets green algae & lichen Covers up to 1000m² per pack 25L high-capacity volume SmartSeal Green Clear Pro - 25 Litres - Biocide (Health & Safety Executive Approval Number 11004) Powerful Green Algae Remover - Best Lichen & Black Mould Remover - Perfect Roof & Driveway Cleaner

**Brand:** smartseal
**Price:** 5603 kr
**Availability:** ✅ In Stock

## Summary

> 🌿 Transform your outdoors—because your space deserves the green growth glow-up!

## Quick Answers

- **What is this?** SmartSeal Green Clear Pro - 25 Litres - Biocide (Health & Safety Executive Approval Number 11004) Powerful Green Algae Remover - Best Lichen & Black Mould Remover - Perfect Roof & Driveway Cleaner by smartseal
- **How much does it cost?** 5603 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/90561603-smartseal-green-clear-pro-25-litres-biocide-health-and-safety)

## Best For

- smartseal enthusiasts

## Why This Product

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

## Key Features

- • **Dedicated Support Team:** Expert customer service guides you from purchase to perfect application—your partner in outdoor care.
- • **Effortless Application:** Mix and spray with ease—works effectively in a wide temperature range (8-20°C) without harsh chemicals.
- • **Safe & Sustainable Cleaning:** Bleach and acid-free biocide ensures year-round use without damaging surfaces or the environment.
- • **Powerhouse Algae Annihilator:** Swiftly eradicates green algae, black mould, and lichen for a pristine outdoor space.
- • **Maximized Coverage, Minimized Cost:** Cleans up to 1000m² per 25L, delivering unbeatable value for large-scale projects.

## Overview

SmartSeal Green Clear Pro is a 25-litre professional-grade biocide cleaner designed to eliminate green algae, black mould, and lichen from roofs, patios, fences, and decking. With Health & Safety Executive approval (No. 11004), it offers powerful, bleach-free cleaning that covers up to 1000m² per pack, ensuring cost-effective, eco-friendly maintenance with expert customer support.

## Description

Full description not available

## Features

- THE ULTIMATE GREEN GROWTH REMOVER - With our powerful Patio Cleaner and Organic Growth Remover, green algae, and black lichen are things of the past. Our effective and powerful microbiological biocide is specifically designed to break down a range of green growth swiftly. Reveal the hidden beauty of your patio or roof and enjoy a clean, organic growth-free outdoor space in no time.
- EFFORTLESS GREEN GROWTH REMOVAL – An advanced Algae and Green Growth Remover - Say goodbye to unsightly algae and lichen on fences, decking, and more with our highly effective fence algae remover and algae cleaner. Our powerful formula eliminates green algae, and lichen spores, making it the perfect decking algae remover and green algae remover. The mould remover on walls and wood mould remover will give impressive results every time.
- QUICK & EASY APPLICATION - Shake well, mix Green Clear Pro with water (1:5 for heavy contamination, 1:10 for regular use, 1:20 as preventative). Apply to dry surfaces with a sprayer in 8-20°C weather. Brush before treating heavy growth. For best results, reapply once yearly, and a second time for highly resistant growth. Safe to use all year round, does not contain bleach or acid.
- GREAT COVERAGE & COST-EFFECTIVE SOLUTION - With our Roof Cleaner and Biocide, enjoy exceptional coverage of up to 200m² per 5 litres when diluted at a 1:10 ratio with water. Our highly efficient solution not only offers cost-effective cleaning but also powerfully combats stubborn roof stains, algae on fences, and on decking. Enjoy maximum effectiveness with every drop.
- EXCELLENT CUSTOMER SERVICE - At Smartseal, customer satisfaction is our top priority. Our team is dedicated to providing superior service throughout your buying experience. From product selection to application advice and beyond, rest assured knowing you're supported every step of the way. It doesn’t matter if you are looking for a green growth killer or organic growth remover, with Smartseal, you're not just buying a product, you're gaining a partner for your stone surface care.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Part number | sm-mcp-25 |
| Item Weight | 25 kg |
| Item Weight | 25 kg |
| Manufacturer reference | sm-mcp-25 |
| Size | 25 Litre |
| Style | 25 Litre |
| Item Package Quantity | 1 |
| Coverage | 1000 square meters |
| Included components | Product only |
| Batteries included? | No |
| Batteries Required? | No |

## Product Details

- **Brand:** SmartSeal
- **Item weight:** 25 Kilograms
- **Liquid volume:** 25 Litres
- **Item form:** Liquid
- **Active ingredients:** green algae

## Images

![SmartSeal Green Clear Pro - 25 Litres - Biocide (Health & Safety Executive Approval Number 11004) Powerful Green Algae Remover - Best Lichen & Black Mould Remover - Perfect Roof & Driveway Cleaner - Image 1](https://m.media-amazon.com/images/I/81mpUvVVyHL.jpg)
![SmartSeal Green Clear Pro - 25 Litres - Biocide (Health & Safety Executive Approval Number 11004) Powerful Green Algae Remover - Best Lichen & Black Mould Remover - Perfect Roof & Driveway Cleaner - Image 2](https://m.media-amazon.com/images/I/61jzcWc2w6L.jpg)
![SmartSeal Green Clear Pro - 25 Litres - Biocide (Health & Safety Executive Approval Number 11004) Powerful Green Algae Remover - Best Lichen & Black Mould Remover - Perfect Roof & Driveway Cleaner - Image 3](https://m.media-amazon.com/images/I/71f9n9+ISNL.jpg)
![SmartSeal Green Clear Pro - 25 Litres - Biocide (Health & Safety Executive Approval Number 11004) Powerful Green Algae Remover - Best Lichen & Black Mould Remover - Perfect Roof & Driveway Cleaner - Image 4](https://m.media-amazon.com/images/I/71Br7ynRWyL.jpg)
![SmartSeal Green Clear Pro - 25 Litres - Biocide (Health & Safety Executive Approval Number 11004) Powerful Green Algae Remover - Best Lichen & Black Mould Remover - Perfect Roof & Driveway Cleaner - Image 5](https://m.media-amazon.com/images/I/71jtq-BTiEL.jpg)

## Available Options

This product comes in different **Size Name** options.

## Questions & Answers

**Q: Will it kill weeds at the same time**
A: No our moss treatment products, are not general weed killers, only moss and algae.

**Q: Can you recommend dispenser fitting the canister?**
A: The product needs to be diluted and then applied by sprayer or watering can. Hope that helps.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great item
*by R***T on 21 August 2025*

Excellent customer service quickly delivered. Great product.

### ⭐⭐⭐⭐⭐ Did not bring promised results
*by S***N on 21 April 2021*

It didn’t work in my garden. Moss is as healthy as before

## Frequently Bought Together

- SmartSeal Green Clear Pro - Powerful Green Algae Remover - Easy To Apply Best Mould, Lichen & Black Mould Remover - Perfect Roof Cleaner & Driveway Cleaner - (25 Litres)
- Spear & Jackson 5LPAPS 5 Litre Pump Action Pressure Sprayer

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*Product available on Desertcart Denmark*
*Store origin: DK*
*Last updated: 2026-02-26*