Updated:28 September 2026
Rank 1-17 of the best Mildew Treatments
Our recommendation Price Customer rating
1. Comparison winner
Dryzone Mould Remover 5L Scrub-Free Formula
Dryzone Mould Remover 5L Scrub-Free Formula
Available immediately
free shipping
  • rapid mould removal that clears mould and mildew from walls, ceilings and other surfaces within minutes
  • versatile use for walls, ceilings, floors and other household surfaces
  • two-part system is straightforward to use: apply the mould remover to affected areas, rinse or wipe away, then apply the sanitiser and leave for at least one hour before rinsing
Our rating
9,9
very good
2. Best value
Plant Chemist Powdery Mildew Treatment 250ml Concentrate & 1L Spray
Plant Chemist Powdery Mildew Treatment 250ml Concentrate & 1L Spray
Available immediately
free shipping
  • effectively removes powdery mildew from plants for healthier foliage
  • suitable for use on a variety of plants including flowers, fruit, vegetables, and herbs
  • contains environmentally friendly ingredients for safe use
Our rating
9,8
very good
3. Bestseller
Blast Patio Pro Patio Cleaner 10 Litre
Blast Patio Pro Patio Cleaner 10 Litre
Available immediately
free shipping
  • removes mould, mildew, lichen, algae and water marks from outdoor surfaces to restore their natural appearance
  • works on driveways, rooftops, decking, paths and patios giving versatile application on a variety of outdoor surfaces
  • formula is non-acidic, non-abrasive and biodegradable making it safe for use on a variety of surfaces
Our rating
9,8
very good
Canadian Xpress Powdery Mildew Treatment PMT 100ml
Canadian Xpress Powdery Mildew Treatment PMT 100ml
Available immediately
free shipping
  • effectively removes calcium deposits from plant leaves
  • versatile for regular plant maintenance
  • environmentally friendly ingredients
Our rating
9,8
very good
Mapei Ultracare Anti-Mould Spray, 750ml
Mapei Ultracare Anti-Mould Spray, 750ml
Available immediately
free shipping
  • effective protection against mould
  • suitable for indoor and outdoor use on surfaces like stone, plaster, concrete, terracotta, joints, ceramics, and klinker
  • made with environmentally friendly water-based ingredients
Our rating
9,8
very good
EcoWidow Natural Mould & Mildew Fungicide Remover Spray for Plants 500ml
EcoWidow Natural Mould & Mildew Fungicide Remover Spray for Plants 500ml
Available immediately
free shipping
  • effective mould and mildew removal for indoor and outdoor plants
  • versatile use across a wide range of plants including flowers, vegetables, herbs and more
  • eco-friendly ingredients made from natural components that are safe for plants, people and the environment
Our rating
9,8
very good
EcoValley Plant Mould Remover Spray 500ml
EcoValley Plant Mould Remover Spray 500ml
Available immediately
free shipping
  • efficient mould removal with natural ingredients for safe indoor and outdoor use
  • ideal for a variety of surfaces including gardens and indoor spaces without harming plants
  • environmentally friendly and free from harsh chemicals
Our rating
9,6
very good
EcoWidow Black Mould Remover Spray 500ml
EcoWidow Black Mould Remover Spray 500ml
Available immediately
free shipping
  • effective mould and mildew removal to keep your home healthy
  • suitable for use in bathrooms, kitchens, home walls and caravans
  • made from natural ingredients for safety of family and environment
Our rating
9,6
very good
Neudorff Mildew Clear for Edibles, 5x 15g Packs
Neudorff Mildew Clear for Edibles, 5x 15g Packs
Available immediately
free shipping
  • removes mould effectively
  • suitable for various plants including vegetables, fruits, grapevines, and ornamental plants
  • uses eco-friendly ingredients with sulphur as a main component
Our rating
9,6
very good
EcoValley Black Mould Remover Spray 500ml
EcoValley Black Mould Remover Spray 500ml
Available immediately
free shipping
  • effective removal of black mould and mildew
  • ideal for home walls, bathrooms, kitchens, and caravans
  • made with natural ingredients, safe for the environment
Our rating
9,5
very good
Apply & Go Path & Patio Cleaner – Concentrated outdoor mould, mildew, lichen & algae remover for decking, stone, driveways and rooftops (2.5 Litre)
Apply & Go Path & Patio Cleaner – Concentrated outdoor mould, mildew, lichen & algae remover for decking, stone, driveways and rooftops (2.5 Litre)
Available immediately
free shipping
  • effective mould and algae removal on outdoor surfaces
  • versatile use on a variety of outdoor surfaces including roof tiles, paths, patios, pavements, brickwork, driveways, glass, paintwork and stone
  • easy to use with no scrubbing required; simply apply to the affected area and let the weather wash it away
Our rating
9,4
good
Blast Patio Pro Spray & Leave Path & Patio Cleaner - Mould, Mildew, Lichen & Algae Remover - For Decking, Driveways & Rooftops - 2.5 Litre
Blast Patio Pro Spray & Leave Path & Patio Cleaner - Mould, Mildew, Lichen & Algae Remover - For Decking, Driveways & Rooftops - 2.5 Litre
Available immediately
free shipping
  • effective mould removal removes mould, mildew, lichen and algae from outdoor surfaces to restore their natural appearance
  • versatile applicability suitable for a range of outdoor surfaces including driveways, roofs, decking, paths and patios
  • environmentally friendly formulation that is biodegradable, non-acidic and non-abrasive, making it safe for use on a variety of surfaces
Our rating
9,4
good
Garden Genie Wooden Fence Cleaner 5L
Garden Genie Wooden Fence Cleaner 5L
Available immediately
free shipping
  • removal of mould and mildew from wooden garden surfaces for restored appearance
  • suitable for cleaning wooden garden items like fences, gates, benches, and sheds
Our rating
9,0
good
Fungus Guard Spray 800ml Ready-to-Use Formula Antifungal Treatment for Plants, Lawns and Garden Surfaces
Fungus Guard Spray 800ml Ready-to-Use Formula Antifungal Treatment for Plants, Lawns and Garden Surfaces
Available immediately
free shipping
  • effective mould, mildew and fungal disease control on plants, lawns and garden surfaces through a ready-to-use spray
  • suitable for use on a wide range of garden plants, ornamentals, lawns and hard surfaces prone to fungal issues
  • contains natural ingredients designed to support plant health while being kinder to the environment
Our rating
8,9
good
Garden Genie Stone & Decking Cleaner FAM0700
Garden Genie Stone & Decking Cleaner FAM0700
Available immediately
free shipping
  • effective mould removal that clears mould stains from stone, brickwork and other outdoor surfaces
  • versatile applicability to a wide range of materials including stone surfaces, brickwork, block paving and both composite and wood decking
  • easy to apply with simple instructions and no special tools required
Our rating
8,9
good
Apply & Go Path and Patio Cleaner 1L – Concentrated mould, mildew, lichen and algae remover for decking, stone, driveways and rooftops (up to 60 m²)
Apply & Go Path and Patio Cleaner 1L – Concentrated mould, mildew, lichen and algae remover for decking, stone, driveways and rooftops (up to 60 m²)
Available immediately
free shipping
  • removes mould and mildew effectively from outdoor surfaces and combats algae
  • suitable for a wide range of outdoor surfaces including roof tiles, paths, patios, pavements, brickwork, driveways, glass, paintwork, stone surfaces and rubber
  • uses a non-bleach formula that is gentler on surfaces and reduces harsh chemicals
Our rating
8,8
good
BritishBasics Bathroom Mould and Mildew Stain Spray 500ml
BritishBasics Bathroom Mould and Mildew Stain Spray 500ml
Available immediately
free shipping
  • effectively removes mould and mildew from surfaces
  • suitable for use on most surfaces, both indoors and outdoors
  • safe ingredients minimise environmental impact
Our rating
8,5
good

Similar Mildew Treatment comparisons

Mildew Treatments buying guide: How to choose the right product from the above Mildew Treatments test or comparison

Understanding Mildew: What Is It and Why It Matters

What Is Mildew?

Mildew is a type of fungus that thrives in warm, damp environments. You might have encountered it as a musty smell or visible black or white patches on your bathroom walls or ceiling. It’s important to understand that while mildew is distinct from mould, the two are often confused, as they both belong to the Fungi kingdom and can appear in similar conditions. The presence of mildew can indicate excess moisture and can lead to more significant problems if not addressed promptly.

Why Does Mildew Matter?

Ignoring mildew can lead to health issues, such as respiratory problems and allergies, particularly for individuals with asthma or compromised immune systems. Beyond health concerns, it can also damage your home—and that can add up to costly repairs. By being proactive about identifying and treating mildew, we not only protect our living spaces but also ensure our health and well-being.

Types of Mildew Treatments: Choosing the Right One for Your Needs

Chemical Treatments

Chemical treatments are often a go-to solution for mildew problems. These come in various forms, such as sprays and wipes, specifically designed to eliminate mildew upon contact. When choosing a chemical treatment, look for ones that contain antimicrobials, as these are more effective at crushing mildew spores and preventing regrowth. However, remember to prioritise safety; use them in well-ventilated areas and consider wearing gloves.

Natural Remedies

If you prefer a more eco-friendly approach, many natural remedies can be effective against mildew. Solutions like vinegar, baking soda, and hydrogen peroxide can be used to kill mildew without harsh chemicals. For instance, spraying a mixture of vinegar and water directly on the affected area can help dissolve mildew stains. The advantage of natural remedies is their availability and safety for household use.

Preventive Treatments

Preventive treatments are designed to create a mildew-resistant environment. This might include mildew-resistant paint for surfaces at risk or sealants that create a barrier against moisture. These treatments are an excellent choice if you’re in an area prone to high humidity, as they work proactively to keep mildew from taking hold.

How to Apply Mildew Treatments Effectively: Step-by-Step Guide

Preparation

To successfully apply mildew treatments, we first need to prepare the space. Start by clearing the area of any items that might hinder your access to the affected spots. Ensure you have proper ventilation; open windows or run fans to keep air flowing while working. Protect yourself by wearing gloves and a mask, particularly if you’re using chemical treatments.

Application

For chemical treatments, following the manufacturer’s instructions is key. Spray the affected area generously and allow the solution to sit for the recommended time to fully penetrate the mildew. When using natural remedies, apply the solution in the same manner and scrub lightly with a brush if needed. Afterward, wipe the area clean with a damp cloth.

Post-Treatment Care

Once treatment is complete, it’s crucial to monitor the area for any signs of mildew returning. In some cases, multiple applications might be necessary. After the area has dried, consider using a preventive treatment to prolong the effects of your hard work.

Preventing Mildew Growth: Tips for a Mildew-Free Environment

Control Humidity Levels

Keeping humidity levels low is one of the most effective ways to prevent mildew. Aim to keep indoor humidity levels between 30% and 50%. You might want to invest in a dehumidifier for areas prone to dampness, such as basements or bathrooms. Regularly checking humidity levels with a hygrometer can help you stay on top of this.

Ensure Proper Ventilation

Proper ventilation is essential in reducing mildew growth. In spaces like bathrooms or kitchens, ensure exhaust fans are functioning correctly and are used during and after activities that generate steam. Opening windows can also help circulate air and decrease moisture build-up.

Regular Cleaning Habits

Incorporating regular cleaning into your routine can further prevent mildew. Focus on areas that tend to gather moisture, such as sinks, showers, and behind appliances. Using mildew-resistant products during cleaning sessions can strengthen your efforts. Don’t forget to dry wet surfaces promptly after use!

Table of contents
  1. Understanding Mildew: What Is It and Why It Matters
  2. Types of Mildew Treatments: Choosing the Right One for Your Needs
  3. How to Apply Mildew Treatments Effectively: Step-by-Step Guide
  4. Preventing Mildew Growth: Tips for a Mildew-Free Environment

Overview

1. Comparison winner
Dryzone Mould Remover 5L Scrub-Free Formula
Our rating
9,9
very good
Dryzone Mould Remover 5L Scrub-Free FormulaAvailable immediately
2. Best value
Plant Chemist Powdery Mildew Treatment 250ml Concentrate & 1L Spray
Our rating
9,8
very good
Plant Chemist Powdery Mildew Treatment 250ml Concentrate & 1L SprayAvailable immediately
3. Bestseller
Blast Patio Pro Patio Cleaner 10 Litre
Our rating
9,8
very good
Blast Patio Pro Patio Cleaner 10 LitreAvailable immediately
Canadian Xpress Powdery Mildew Treatment PMT 100ml
Our rating
9,8
very good
Canadian Xpress Powdery Mildew Treatment PMT 100mlAvailable immediately
Mapei Ultracare Anti-Mould Spray, 750ml
Our rating
9,8
very good
Mapei Ultracare Anti-Mould Spray, 750mlAvailable immediately
EcoWidow Natural Mould & Mildew Fungicide Remover Spray for Plants 500ml
Our rating
9,8
very good
EcoWidow Natural Mould & Mildew Fungicide Remover Spray for Plants 500mlAvailable immediately
EcoValley Plant Mould Remover Spray 500ml
Our rating
9,6
very good
EcoValley Plant Mould Remover Spray 500mlAvailable immediately
EcoWidow Black Mould Remover Spray 500ml
Our rating
9,6
very good
EcoWidow Black Mould Remover Spray 500mlAvailable immediately
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In our tests & comparison tables, we only include products that meet our minimum standards. This ensures that you can find the perfect product for your needs from a wide selection.
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