November 28


Best Caravan Toilet Chemicals in Australia – How To Keep Your Loo Clean

Is your caravan toilet starting to reek?

We all love looking at fancy caravan accessories like wi-fi modems and awnings. But a good caravan cleaner is one of the most important things you’ll buy. It’s crucial to keep your toilet clean and free from nasty odours.

The best caravan toilet chemicals will eliminate bad smells and kill unwanted bacteria. These cleaners come in both liquid and tablet form, so it’s all about finding the right one for you.

Let’s compare a variety of popular caravan toilet chemicals now.


Thetford Aqua Kem Green Tablets

Dometic Power Care Waste Holding Tank Additive Blue

Camco Caravan Loo Treatment - Fresh Scent Drop-Ins

Odour-B-Gone RV Toilet Tablets

BioMagic Concentrate for All Waste Tanks

Best tablet
Thetford Aqua Kem Green Zip Bag Sachets
best liquid

12 sachets


15 per bag

10-50 tablets







Water-soluble sachet

Liquid additive



Liquid concentrate

Four days

Four days

Up to one week

Four days

One week







1 Year

1 Year



Best Toilet Chemicals Australia

Thetford Aqua Kem Green Sachets

Thetford Aqua Kem Green Zip Bag Sachets

Best Tablet Option

  • Environmentally conscious
  • Odour control
  • Easy to use
  • 1 dose per four days
  • Liquifies waste
  • Effective after freezing and thawing
  • Reasonable price
  • Warranty information is unavailable

Thetford chemicals are some of the best in the business.

Their Aqua Kem Green sachets are highly effective. You don’t need to worry about measurements because they do it all for you. Each formulated dose is designed to last for about four days.

These caravan toilet chemicals liquefy waste and make it easier to empty the tank. Just drop one into the tank and leave it to dissolve. Meanwhile, they reduce gas build-up in the process while controlling unpleasant odours.

Another great benefit is that Thetford chemicals are environmentally conscious. This is great because most of us caravanners prefer to Leave No Trace.

Admittedly, it’s not particularly relevant to most of us considering our climate, but these sachets remain effective after they are thawed from frozen. That’s good to know if you ever go camping in alpine conditions!

Finally, they’re well-priced at just under $25. This is reasonable considering there are 12 sachets per box. One downside is that there doesn’t appear to be a warranty, but customer reviews across major websites are overwhelmingly positive.

Thetford chemicals have some of the best caravan toilet tablets today.

Dometic Power Care Waste Holding Tank Additive Blue

Dometic Power Care Blue 1.5 Ltr Sanitation Additive

Honourable Mention

  • Competitive price
  • Effective for four days
  • Breaks down waste
  • Prevents gas build-up
  • Works for both caravan and portable toilets
  • One-year warranty
  • Not clear whether environmentally friendly or not
  • You must measure yourself

If you’re looking for decent cassette toilet chemicals, Dometic has you covered. Their potent holding tank additive does the job in a no-frills manner.

It’s not as glamorous as some of the fancy tablets or sachets in this article, but it works well. Simply pour the correct measurement into the tank and let it work its magic. Some caravaners may prefer tablets for the sake of convenience.

Like Thetford chemicals, it prevents gas build-up, breaks down waste, and removes bad smells. That’s exactly what you want from any toilet cleaner.

However, Dometic doesn’t mention if their caravan toilet chemicals are biofriendly. Usually, manufacturers boast about these details so this may concern some potential customers.

Finally, Dometic’s Holding Tank Additive is competitively priced. If you shop around you can find it as cheap as $15, making it a great value. Also, it comes with a one-year warranty, which is a nice touch.

Camco Caravan Loo Treatment - Fresh Scent Drop-Ins

Camco Caravan Loo Treatment

Honourable Mention

  • One sachet treats 25L
  • Eliminates odours and lubricates sensors
  • Very easy to use
  • RV and marine approved
  • One year warranty
  • None that we can see!

Like other drop-in solutions, it’s very easy to use one. Simply, take one out, drop it into the tank and add enough water to cover the bottom. For grey water tanks, add a sachet through the sink and flush with water for 30 seconds.

Like all of the best caravan toilet chemicals, the Camco treatment removes bad smells and lubricates sensors.

Even though the Camco box has a lighter net weight at 744g, it contains 15 sachets. This is more than equivalents like Odour-B or Thetford chemicals.

It’s one of the most concentrated formulas in the industry as each drop-in treats up to 25 litres of water. Another upside is that they’re marine approved so you don’t need to worry about damaging the environment.

Finally, it’s reasonably priced at just $22 with a one-year warranty. They’re some of the best caravan toilet chemicals available.

Odour-B-Gone RV Toilet Tablets

Odour B Gone Plus RV Toilet Tablet Blue 8gm 25 PK

Best Bulk Buy

  • Available in different sizes
  • Tablets last for four days
  • Cleans and disinfects
  • Australian-made
  • Biodegradable and environmentally friendly
  • Deodorizes
  • Easy to use
  • No warranty information

Odour-B-Gone RV toilet tablets are another effective cleaning product. They are specially designed to keep your toilet working well while on the move.

Similarly to the Dometic and Thetford alternatives, these tablets work effectively for four days. Their cassette toilet chemicals clean, disinfect and deodorize easily.

All you have to do is drop a tablet into the bottom cassette with half a cup of water. These tablets are powerful and will even break down toilet paper.

Odour-B-Gone tablets are made in Australia. They’re brand leaders in the industry, producing biodegradable and environmentally-friendly products.

One of the best aspects of these cassette toilet chemicals is that you can choose a range of sizes. This gives Odour-B-Gone flexibility that other brands don’t have. You can choose packages with 10 to 50 tablets.

The price varies accordingly. 10 sachets will set you back about $10. Meanwhile, 50 sachets cost about $33 which is a substantial saving. However, there is no warranty but it’s not a major issue with this type of product.

BioMagic Concentrate for All Waste Tanks

BioMagic All Waste Concentrate 250ml

Best Liquid Option

  • Available in a variety of sizes
  • Free from bleaches and disinfectants
  • 100% biodegradable
  • Instantly removes bad smells
  • Non-staining
  • Fairly priced
  • No warranty
  • Measure yourself

If you prefer to use a liquid instead of a toilet tablet, then BioMagic Concentrate may be for you. Their caravan toilet chemicals are well-regarded and popular products.

Like Odour-B-Gone, BioMagic Concentrate is available in several sizes. There is a wide range available from 250ml to a vast 2.5L so there’s sure to be one for everybody’s needs.

BioMagic is proud of its green footprint. Several caravan toilet chemicals have a bad reputation for being toxic. However, this concentrate is totally biodegradable. It doesn’t contain any bleaches or disinfectants so it won’t damage the environment.

You can use it in your cassette toilet or grey water tank so it’s a safe and flexible product. It doesn’t leave any stains and it removes bad smells instantly. There’s very little negative to say about it except that it doesn’t come with a warranty.

The price depends on the size of the bottle. 250ml costs about $17 while 2.5L will set you back about $109. Most users agree that this is one of the best caravan toilet chemicals around.

 It just comes down to whether you prefer to use a tablet or a liquid.

Things To Consider When Purchasing Caravan Toilet Chemicals

Before you buy toilet chemicals you should take some of these points into account. Let’s look at these now.

Tablet or Concentrate

This is purely a matter of personal preference.

At the end of the day, both styles will do the same thing. It’s easier to drop a tablet or a sachet into the toilet, add some water and just leave it to dissolve. However, some people prefer liquid concentrates because they believe that they work better.

Tablets are lighter and easier to store. Even if you buy a large box, you can easily separate the amount you need for your holiday. However, they can leave a gritty residue and are less environmentally friendly because they have more packaging.

Whichever option you choose, ensure that it is suitable for your toilet or tank. The best caravan toilet chemicals won’t damage delicate seals or parts.

Size Matters

Some brands are available in a multitude of sizes like BioMagic and Odour-B-Gone. This is very useful because you can tailor the amount to your needs.

It can also save you money. Usually, a larger box or bottle costs less than if you bought numerous amounts of a smaller size. They’re also great in emergencies or if you’re on long trips.

Remember with tablets you don’t even need to bring the full box. Just take out what you need and stow them somewhere dry.

Some of these brands come with warranties, but it’s not a given so bear that in mind.

Think of the Environment

Caravan and RV holidaymakers tend to be environmentally conscious by nature.

However, caravan toilet chemicals aren’t always conducive to this. Sometimes they contain toxic ingredients that are harmful to the earth and leave a damaging footprint.

Most brands like Thetford chemicals or Odour-B-Gone make it clear that they don’t contain any dangerous substances. You should consider it a red flag if a manufacturer doesn’t make it clear on the front of the packet.

It’s basic marketing but it also addresses a very common concern. However, you can also check the ingredients list. One notorious chemical that occasionally pops up in these products is formaldehyde.

This toxic chemical kills the bugs in human waste that also help turn it into harmless effluent. Even though it removes bad smells, it can take a lot of time for formaldehyde to break down. This is a problem when you empty your tank.

These days, the best caravan toilet chemicals substitute formaldehyde for other biodegradable substances. If a cleaner is substantially cheaper than other brands, it’s probably that it contains this poison.

Final Thoughts

Caravan toilet chemicals aren’t the most glamorous items you’ll buy for your vehicle but they’re some of the most important.

The bright side is that there are many products available so the right one for you is out there somewhere. Tablets and concentrates both have their merits but it’s up to you to decide which one you like better.

If you go for a concentrate, BioMagic is a great option. That’s because it’s available in a range of sizes at reasonable prices. It’s also very transparent about being environmentally friendly.

Tablet users have a range of choices. Thetford chemicals are excellent and safe to use. If you want to buy in bulk you may prefer Odour-B-Gone because there’s savings to be made with their bulk sizes.

Remember, cheaper isn’t always better because these chemicals can damage your tank or toilet and harm the environment.

If you have any questions about these caravan toilet chemicals, please leave a comment below!

This article may contain affiliate links. I will earn a commission if you choose to purchase a product or service after clicking on my link. This helps pay for the cost of running the website. You will not be disadvantaged in any way by using my links.

Note that while every effort is made to ensure the accuracy of the information on this page, there may sometimes be errors. Check all specifications with the manufacturer before purchasing any product.


After swearing off camping at a young age after a number of cold nights in cheap sleeping bags, Louis has ended up becoming a great lover of the natural beauty that Australia has to offer. This change of heart came after realising that, with the right equipment, camping can be as comfortable as it is fun. He is passionate about helping people reconnect with nature and explore Australia's great outdoors.

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