Product Description 

Outdoor Moss, Algae & Mould Remover

Restore the appearance of your outdoor surfaces with this powerful Outdoor Moss, Algae & Mould Remover. Specially formulated to eliminate moss, algae, mould and lichen, this concentrated treatment penetrates deep into the growth and continues working after application, helping to keep surfaces cleaner for longer.

Simply dilute with water, apply using a garden sprayer or watering can, and allow the solution to work naturally. No scrubbing or pressure washing is required during application, making it an ideal solution for maintaining patios, driveways, decking, fencing, walls and other exterior surfaces with minimal effort.

Designed for homeowners and professionals alike, this long-lasting formula helps prevent the rapid return of organic growth, keeping outdoor areas cleaner, safer and more attractive for months.

Powerful Moss, Algae & Mould Treatment for Outdoor Surfaces

Whether you're restoring a weathered patio, refreshing timber decking or cleaning stone pathways, this concentrated outdoor cleaner provides an effective way to remove unwanted biological growth.

The treatment works by killing moss, algae, mould and lichen at the source. After application, the growth naturally dies back over the following days before gradually weathering away. This gentle cleaning process helps protect many outdoor surfaces while reducing the need for aggressive scrubbing.

Suitable for use on a wide variety of exterior surfaces including:

• Natural stone patios
• Concrete paving
• Block paving
• Garden paths
• Timber decking
• Garden fences
• Garden furniture
• Brick walls
• Roof tiles
• Exterior masonry

Key Features & Benefits

• Concentrated formula for economical coverage
• Removes moss, algae, mould and lichen
• No scrubbing required after application
• Easy to dilute and apply
• Long-lasting protection against regrowth
• Suitable for domestic and commercial use
• Helps restore the natural appearance of outdoor surfaces
• Ideal for patios, paths, decking, walls and fencing
• Simple application using a garden sprayer or watering can
• Helps reduce slippery organic growth on exterior surfaces

Coverage Guide

Coverage will vary depending on the porosity and condition of the surface.

How to Apply

1. Ensure the surface is completely dry before application.
2. Always carry out a small test patch first.
3. Dilute 1 part product with 4 parts warm water.
4. Apply evenly using a garden sprayer or watering can.
5. Use approximately 1 litre of diluted solution per 3–7m².
6. Leave the treatment to work naturally—do not rinse off.
7. Clean all equipment thoroughly after use.
8. Avoid application if rain is expected within 5–6 hours.

Expected Results

• Algae and green mould begin to die within 2–4 days.
• Moss starts to yellow and loosen within 5–7 days.
• Weather and natural rainfall gradually remove the dead growth over the following weeks.
• Heavy black staining may require additional cleaning after treatment.

Suitable For

• Patios
• Driveways
• Block paving
• Concrete
• Sandstone
• Limestone
• Slate
• Brickwork
• Garden walls
• Timber decking
• Fencing
• Garden furniture
• Roof tiles
• Exterior masonry

Specifications