Mould Cleaners | What Chemicals Actually Kill Mould?

Mould Cleaners | What Chemicals Actually Kill Mould?


The article provides a detailed overview of various chemicals used in mould cleaners, highlighting their effectiveness, suitability for different surfaces, and safety considerations. It covers bleach, vinegar, hydrogen peroxide, borax, ammonia, baking soda, tea tree oil, and grapefruit seed extract. The article emphasises the importance of choosing the right cleaner based on the surface, health concerns, and environmental impact. Additionally, it provides FAQs on the use of mould cleaners and recommends professional services when DIY methods fail.

Mould cleaners chemicals

Mould, a common household problem, poses significant health risks and damages the integrity of various surfaces. Understanding effective mould cleaners and chemicals that combat mould growth is crucial for maintaining a healthy and clean living environment. In this comprehensive guide, we delve into various chemicals that are potent against mould, ensuring you make informed decisions for your home maintenance.

Bleach: The Powerhouse Against Mould

Bleach stands out as a top-tier mould killer in a range of mould cleaners, renowned for its effectiveness against virtually all indoor mould species and their spores. Its primary strength lies in sanitising surfaces, making them resistant to future mould growth.

Key Points to remember:

  • Ideal for non-porous surfaces like tiles and countertops.
  • Not suitable for porous materials.
  • Requires careful handling due to its strong fumes and corrosive nature.

Some common examples of porous materials include:

Wood: All types of wood are porous to some degree, which is why they can absorb water and other liquids.

Concrete: Despite its hard appearance, concrete is porous and can absorb water, which is why it can suffer from frost damage.

Ceramic: Used in pottery and tiles, ceramic is also porous, though the size and quantity of the pores can vary widely.

Foam: This includes materials like memory foam or acoustic foam, which have open cells (pores) that can absorb sound or other materials.

Fabrics: Many fabrics, especially natural fibres like cotton, wool, and linen, are porous and can absorb moisture.

Stone: Natural stones like limestone, sandstone, and marble are porous to varying degrees. Their porosity affects their strength, durability, and how they are used in construction.

Vinegar: A Safe and Natural Alternative

White vinegar, a milder yet more efficient option among mould cleaners, eliminates approximately 82% of mould species. As a non-toxic solution, it’s an excellent choice for those seeking a more environmentally friendly approach.

Notable aspects include:

  • Effective in preventing mould recurrence.
  • Safe for use around pets and children.
  • Can be used on a variety of surfaces without the risk of damage.

Mould cleaners

Hydrogen Peroxide: Versatile and Effective

Hydrogen peroxide offers a threefold action against mould – it’s antifungal, antiviral, and antibacterial. It’s an all-around solution for diverse surfaces, including kitchen appliances and walls.

Benefits encompass:

  • Kills mould effectively on porous and non-porous surfaces.
  • Breaks down into water and oxygen, making it eco-friendly.
  • Safe for a wide range of materials.

Borax: The Gentle Giant in Mould Removal

Borax, a natural mineral, serves as a gentle yet powerful mould inhibitor.

Its key advantages include:

  • Effective on porous materials like wood.
  • Non-toxic, ensuring a safe environment.
  • Prevents and kills mould without emitting harmful gases.

Ammonia: The Strong Contender

Ammonia, similar to bleach, is a potent ingredient in mould cleaners effective on hard, non-porous surfaces. However, it must be used with extreme caution due to its harsh nature.

Important to note:

  • Not effective on porous surfaces.
  • Should never be mixed with bleach.
  • Requires adequate ventilation during use.

Mould cleaners

Baking Soda: The Eco-Friendly Mould Fighter

Baking soda, a mild mineral powder, is an excellent choice for environmentally conscious individuals.

Its benefits include:

  • Kills and prevents mould growth.
  • Safe for pets and children.
  • Absorbs moisture, reducing mould proliferation.

Tea Tree Oil: Nature’s Fungicide

Tea Tree Oil, though more expensive, is a highly effective, all-natural fungicide.

It’s particularly noted for:

  • Strong mould-killing properties.
  • A little goes a long way.
  • Safe and natural, with no harmful side effects.

Grapefruit Seed Extract: The Odorless Natural Choice

Grapefruit Seed Extract stands out for its effectiveness and lack of odour.

Its key characteristics are:

  • Comparable to Tea Tree Oil in efficacy.
  • Completely natural and non-toxic.
  • Ideal for those sensitive to strong scents.

Choosing the right chemical to combat mould depends on various factors, including the type of surface affected, health considerations, and environmental impact. From the potent action of bleach to the natural efficacy of Grapefruit Seed Extract, there’s a solution for every need.

Mould cleaners

Mould, while a common issue, can be effectively managed with the right knowledge and effective mould cleaners. By selecting the appropriate chemical, you can ensure a mould-free, healthy living environment.


What types of surfaces can mould cleaners be used on?

Mould cleaners are versatile and can be used on various surfaces, including walls, tiles, grout, and bathroom fixtures. However, it’s important to check the product label for specific instructions, as some cleaners may not be suitable for delicate surfaces like wood or certain fabrics.

Are mould cleaners safe to use around children and pets?

While many mould cleaners are effective, they can contain strong chemicals that may be harmful if inhaled or ingested. It’s recommended to use them in well-ventilated areas and keep them out of reach of children and pets. There are also eco-friendly and less toxic options available for households with kids and pets.

How often should I use mould cleaners to prevent mould growth?

The frequency of using mould cleaners depends on the area’s humidity and susceptibility to mould growth. In damp areas like bathrooms, regular cleaning (e.g., weekly, or bi-weekly) with a mould cleaner can help prevent mould build-up.

Why Choose AllAces?

When the DIY methods aren’t working or the mould growth is too severe, contact the experts at AllAces Cleaning & Restoration. With more than 35 years of industry experience and IICRC certification, our technicians can ensure effective results.

Trust the experts and contact the team at 1800 00 10 10 today!

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