Cleaning With Sodium Percarbonate – Everything To Know

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Got questions about cleaning with sodium percarbonate? Here’s almost everything you need to know about this more natural cleaning product – from what it is, how to clean with it, what not to clean with it, where to buy it, and more.

You might have heard about sodium percarbonate on social media, but have been put off by the name. I promise sodium percarbonate is not as scary as it sounds.

To help put your mind at ease, here is almost everything you need to know about cleaning with this green cleaning product. From laundry to using it around your home, and all the questions you might have about this natural cleaning wonder.

Everything You Need To Know About Sodium Percarbonate

An amber spray bottle, scrubbing brush and sodium percarbonate with a blue text box that says everything you need to know about cleaning with sodium percarbonate.

If you’re in a hurry, you can use the quick links below to get a direct answer to your question about sodium percarbonate. Or you can simply keep scrolling to read the full post:

What Is Sodium Percarbonate?

Sodium percarbonate is a white crystalline powder. It is made from sodium carbonate, which is more commonly known as soda ash or soda crystals, and hydrogen peroxide, a bleaching agent. 

When dissolved in water, sodium percarbonate releases a mixture of oxygen, water, and soda crystals. This makes sodium percarbonate particularly great when used for laundry applications.

It’s brilliant at gently removing stains on both white and coloured clothing. And it acts as a great natural whitening agent for white or light clothing, without releasing any harmful chemicals that can contaminate our waterways.

Sodium percarbonate also has a deodorising action. This means it helps get bad smells out of your laundry. Meanwhile, the presence of soda crystals also softens the water and boosts the efficiency of regular laundry detergents.

Whilst sodium percarbonate is best known for its use in laundry, it does have lots of other natural cleaning applications around the home.

Is Sodium Percarbonate The Same As Oxygen Bleach?

Sodium percarbonate is exactly the same thing as oxygen bleach. Some brands use the term oxygen bleach as it is easier for consumers to understand what the product does, compared to using the more scientific term sodium percarbonate. Rest assured, it is the same thing!

The only thing to note is that some brands of oxygen bleach can be mixed with other ingredients. Sodium percarbonate is incredibly effective on its own, without the use of additional ingredients. So, check the label that you are only buying pure sodium percarbonate.

Is Sodium Percarbonate The Same As Bleach?

Whilst sodium percarbonate is a bleaching agent, it is not the same as chlorine bleach.

In sodium percarbonate, the active ingredient is hydrogen peroxide. When dissolved in water, this quickly breaks down into oxygen and water. Hydrogen peroxide is commonly used in dental products, such as mouthwashes. As such, it is generally considered safe for use at low doses.

Meanwhile, in chlorine bleach, the active ingredient is sodium hypochlorite. This is a corrosive disinfectant that, even at low doses, can be harmful to health.

In terms of laundry, chlorine bleach removes dye from clothes. And because it’s highly alkaline, repeated use of chlorine bleach can also cause fabric to deteriorate.

Sodium percarbonate, on the other hand, does not remove dye from clothes. It’s also gentle, and can whiten whites and brightens colours, without causing damage to the fabric.

How Do I Use It In My Laundry?

is oxygen bleach eco-friendly

Sodium percarbonate has many uses when it comes to laundry. As sodium percarbonate is generally suitable for use on white, light, and dark-coloured clothing, it’s a real multi-tasker. The only time you shouldn’t use it is on wool and silk and clothing.

Here’s how you can use it to help get your clothes clean and bright:

Using Sodium Percarbonate As An In-Wash Treatment

To boost the performance of your laundry detergent, or help remove stains from clothes, simply add 1 tablespoon of sodium percarbonate to the drum of your washing machine. For tough stains, add an additional tablespoon.

Next, run your usual wash cycle as normal, adding your usual laundry detergent. Don’t add any chlorine bleach, though – sodium percarbonate should never be mixed with chlorine bleach.

To Whiten Clothes

For whitening clothes, you will get the best results by using sodium percarbonate as a pre-soak. In this case, add 2 tablespoons of sodium percarbonate per 4 litres of warm water, and then soak your clothing for six hours. Then wash your clothes as normal.

To Spot Tackle Stains On Clothing

To spot tackle stains on clothing, mix a little sodium percarbonate and warm water into a paste, and leave the paste to sit for 15 minutes. Next, apply the paste directly to the stain and gently rub the fabric. Then wash your item of clothing according to the washing instructions on the care label.

Always spot test on an inconspicuous area of the clothing first, to ensure it won’t cause any damage to your clothing.

To Clean Baseball Caps

You can also use sodium percarbonate to clean baseball caps. I’ve tried a few different methods, and by far it is the best way to get out dirt, sweat and sunscreen without damaging your cap.

Can I Use Sodium Percarbonate As A Cleaning Product?

cleaning kitchen with sodium percarbonate

Whilst sodium percarbonate is predominantly used in laundry, it can be used as a cleaning product around your home. Here are some uses for all around the home.

For each use, do note that sodium percarbonate bubbles up when mixed with water. So always make sure you use a large enough container to mix it up in!

Bathroom

  • To clean the grout between your tiles, simply mix a little sodium percarbonate with just enough warm water to make a paste. Wait for 15 minutes for the sodium percarbonate to activate, and then apply the paste with an old toothbrush. Then rinse off for super clean grout.
  • Remove mould and mildew from your shower curtain by soaking it for six hours in a solution of two tablespoons of sodium percarbonate per 5 litres of hot water. Then wash it in your washing machine on your regular wash cycle.
  • To clean your toilet, add six tablespoons of sodium percarbonate to your toilet bowl. Then wait 15 minutes, and then scrub clean with your toilet brush.

Kitchen

  • For tackling tea or coffee-stained mugs with ease, simply add 1 – 2 teaspoons of sodium percarbonate to each mug. Then fill each mug with freshly boiled water. Leave to soak for at least 15 minutes, pour out the solution, and then wash your mugs as normal for mugs that gleam!
  • Got a stinky sink or drain? Put the plug in, and then sprinkle one to two tablespoons of sodium percarbonate in your sink. Add hot water, and leave to sit for 15 to 20 minutes. Once the time is up, take the plug out, and wipe down your sink, followed by a rinse of water. This will freshen up both your sink and drain.
  • Got a dirty or stinky fridge? To kill mould and mildew and tackle food stains, again, mix half a tablespoon of sodium percarbonate with 250 ml of warm water. Next, decant the solution into a spray bottle. Spray your fridge and let the solution stand for around 15 minutes. Then rinse and wipe down with a damp cloth.
  • If you have any fridge cleaning solution left, then this same solution can also be used as a general cleaning spray to naturally clean and deodorise your kitchen. Simply spray, allow to sit for 15 minutes, and then rinse and wipe down with a damp cloth. Avoid using it on marble, quartz, granite, or similar stone surfaces.

Do note that this cleaning solution shouldn’t be stored and used in the long term to clean your kitchen. Sodium percarbonate loses its effectiveness after about 6 hours of being dissolved in water. Therefore, making up a cleaning spray for longer-term use is impractical. Use a citric acid cleaning spray, a vinegar cleaning spray, or a liquid castile soap cleaning spray instead for this purpose.

Living Room

  • To tackle upholstery stains, mix half a tablespoon of sodium percarbonate with 250 ml of warm water and decant it into a spray bottle. Spray the sodium percarbonate solution onto the stain, and gently scrub with a stiff brush. Leave the solution on the stain for 5 to 10 minutes, and then pour a little fresh water over the stain, and blot with a clean towel or cloth.

It is always important to test an inconspicuous area first before using this solution on your upholstery. It isn’t suitable for use on wool-based carpets. And do note that fabrics that are prone to water stains will not be suitable to use sodium percarbonate on.

What Should I Not Clean With Sodium Percarbonate?

Sodium percarbonate is generally safe to use in most applications. However, it should never be used to wash wool or silk, or to clean leather. See my guide on how to wash wool instead.

If you’re using it as a cleaning spray, there are a few no-gos. Avoid using it on painted or lacquered surfaces, unsealed wood, stone surfaces (including granite, quartz, and marble), and on metals such as aluminium, brass, and copper. An occasional wipe over won’t hurt, but prolonged use could cause damage to these porous surfaces.

Is It Eco-Friendly?

Sodium percarbonate is made from soda ash. To produce soda ash, the naturally occurring minerals nahcolite and trona are mined from the ground, and these are then refined into soda ash.

Opencast mining doesn’t tend to be used to extract raw materials. Instead, water is injected into the ground. This then returns the saturated water to the surface, and the raw materials can be extracted by evaporating the water.

Having to mine the raw materials does sound problematic. However, whilst trona and nahcolite are non-renewable resources, they are not fossil fuels. This means their usage does not emit greenhouse gases.

The Solvay Process

Soda ash is also often produced in large quantities in an industrial process called the Solvay Process.

Here, salt obtained from either salt mines or the sea is combined with limestone, derived from limestone quarrying, to produce soda crystals.

Unfortunately, it’s not an altogether environmentally friendly process. The Solvay Process is energy-intensive, and it has been associated with widespread pollution and water contamination near Solvay Process plants.

Should We Boycott Soda Ash?

In reading this, you might think the answer is to avoid all-natural cleaning products containing soda ash. However, boycotting natural cleaning products won’t make a blind bit of difference. This is because it isn’t just natural cleaning products that use soda ash. Soda ash is actually a fundamental yet invisible ingredient in all of our daily lives.

Over half of all soda ash production is used in glass manufacturing. It is also an integral component in soap, textile manufacturing, and the making of rechargeable batteries. And it is ubiquitous in the food, cosmetics, cleaning products, and pharmaceutical industries. It’s even in products such as toothpaste. There’s simply no way to avoid it.

Soda ash is also increasingly being used to reduce air pollution. It is used to remove sulphur dioxide and other harmful chemicals from exhaust fumes in shipping and other industrial gas emissions.

All products have an impact. However, given that soda ash is used ubiquitously in many products that we depend on then it will be extracted anyway. Calls to clean up the soda ash industry should be supported, but boycotting one tiny part of the market won’t make an impact on production levels.

Sodium percarbonate is effective at cleaning our clothes and our homes. As one box can replace a myriad of toxic cleaning products and many plastic bottles, I personally consider it eco-friendlier than any conventional cleaning product. Of course, do make your own judgement on this.

Is It Harmful To Humans?

Although a natural cleaning product, it is always important to remember that natural cleaning products are not ‘chemical-free’. However natural it sounds, sodium percarbonate is still a chemical that can cause harm if handled incorrectly.

Sodium percarbonate is generally a safe product to use, and it has not been found to be carcinogenic. However, there are some safety considerations to make when cleaning with it:

  • If breathed in, sodium percarbonate can upset your airways. To help prevent any respiratory upset, use sodium percarbonate in a well-ventilated room.
  • Sodium percarbonate can also irritate your eyes. As such, you should take care not to rub your eyes before washing your hands.
  • Prolonged contact with the skin can also cause irritation. I would wear rubber gloves if you are using sodium percarbonate on a daily basis, or if you have particularly sensitive skin.
  • Sodium percarbonate should also be kept away from children and pets, as it should not be consumed.

The safety concerns do sound a little scary. However, with some general common sense, sodium percarbonate poses no more risk than using any conventional cleaning products – many of which carry the same warnings.

Is Sodium Percarbonate Safe For Use Around Pets?

Using sodium percarbonate in your laundry or to clean your home should be safe for pets, as it quickly breaks down into oxygen. However, I would encourage you to do your own research on this to double-check that it would be safe for your circumstances and for your pet.

What I would say is that, as sodium percarbonate can be poisonous when ingested, don’t use it when your pet is in the room.

Where Can I Buy Sodium Percarbonate?

If you’ve been convinced to start cleaning with sodium percarbonate, then it is readily available online from retailers like Big Green Smile and &Keep, offering both plastic and plastic-free options.

Big Green Smile sells a 1 kg plastic-free paper bag for £8.60. If that is out of stock, then Ethical Superstore sells a 750 g plastic-free bag of sodium percarbonate for £5.99.

I’ve also got a full guide on where to buy sodium percarbonate, if you need any more suggestions.

More Green Cleaning Help

Hopefully, this post gives you the information you need to start cleaning with sodium percarbonate. If you have any more questions, please don’t hesitate to ask in the comments below.

And for more green cleaning inspiration,check out my guide to natural cleaning products to DIY. I’ve been making my own cleaning products for almost twenty years now, and have heaps of guides and recipes to help you get started.

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14 Comments

  1. Hi.

    Great in depth article. Thank you for all the information.

    One thing I noticed was you say Chloride bleach is ‘acidic’ surely this is a mistake?

  2. Hi Wendy,

    Is sodium percarbonate generally okay to use as a spot stain treatment on white linen?

    Thank you

    1. Sorry for the belated reply Amy. If you’re still trying to tackle that stain then sodium percarbonate is considered safe to use on linen. It’s generally only unsuitable for use on wool and silk fabrics. You could try it, and then hang it out to dry on a sunny day – sunlight also does a great job at removing stains on white clothing!

  3. Thank you for your fabulous article. My 7 year old suffers with eczema and I wondered if I could use sodium percarbonate in place of usual bottle bleach for a bleach bath. His skin is always better after a swim in the local chlorinated pool and I wondered if I could use this instead? Please let me know what you think and if you think it could be used please advice amount per litre of bath water. Thanks!

    1. I really wish I could help, but I’ve only ever used sodium percarbonate for cleaning with, so I couldn’t recommend it for bathing in. I’d recommend talking to your GP for advice, they may be able to suggest alternatives to the bleach.

  4. I don’t add anything directly into the drum of my front loading washing machine. Can I put sodium for carbonate in the dispenser?

    1. Hi Dawn, I’ve got a front loading washing machine, and it’s fine to add directly into the drum. You can also add it to the dispenser – add it to the laundry detergent section.

  5. Do you recommend using sodium percarbonate on waterstains? I have some old clothes that were found in the basement & have tried everything (no precious items but would like to keep/ pass them on if possible) I have already tried going to a professional cleaner for a wool sweater on the bunch to no avail. Thanks!

    1. Hi Stacie, I wouldn’t use sodium percarbonate on wool, as it will damage the fibres, but I have heard that ironing your garments can help remove waterstains. There’s a bit of a technique to it – if you search online I’m sure you’ll find a guide that walks you through it!

  6. Hello Wendy, My 34 year old yellowed satin wedding dress also got water stains when our home flooded last month. I’m not sure if this is silk satin or not. Do you think I should pre-treat the water stains with vinegar, then wash the dress in sodium percarbonate? Or do you have a better idea? Thank you so much for your answer!

    1. Hi Rae, I would avoid the sodium percarbonate in this case. Sodium percarbonate should never be used on delicate fabrics, such as silk. I’ve never tackled something so precious as a wedding dress before, or similar, so I would be wary of offering suggestions as the silk may have become brittle with age. One option may be to look for a specialist wedding dress restorer in your area, to avoid causing damage to the dress.