Understanding the Layering Method in Composting Toilets

The layering method shown with Cuddy Lite. A hand is shown layering sawdust into the solids section of Cuddy Lite.

The layering method is a simple way to control moisture and odors in your composting toilet by adding a layer of substrate after each use.

Are you new to composting toilets and looking for a straightforward way to manage your waste? Enter the layering method – an easy, low-maintenance approach perfect for models like the Cuddy Lite.

This technique offers simplicity without sacrificing effectiveness, making it an ideal choice for anyone looking to switch to a composting toilet without a steep learning curve. Let’s walk through what the layering method is, how to set it up in your Cuddy Lite, and why it might just be the best fit for you!

Why Layering Matters for Composting Toilets

The layering method is all about adding a composting medium (like coco coir or sawdust) between each use. These layers control moisture, manage odors, and help the composting process along. We recommend this method for users of the Cuddy Lite. It is easy to use because it doesn’t require an agitator, making each step even simpler.

For anyone who’s not familiar with the Cuddy Lite, it’s one of our most intuitive composting toilets, designed without an agitator so you can easily add layers of compost medium.

How to Layer Your Composting Toilet: A Step-by-Step Guide

Getting started with the layering method is easy. Here’s how:

  1. Line the Solids Bin: Use an 8-9 US gallon bag to line the solids bin. This step is optional if you plan to empty directly onto a compost pile, but if you use a bag, choose a compostable bag to avoid contamination.

  2. Start with a Base Layer: Add about an inch of composting medium to the bottom of the solids bin. This layer helps absorb moisture from the start and prepares the toilet for the layering process.

  3. Choose the Right Amount: Generally, around a cup of composting medium per use is sufficient. Adjust as needed based on your specific medium and usage.

Choosing the Right Composting Medium for Layering

The layering method works well with various composting mediums, each offering unique benefits. Here are some of our top picks:

  • Coco Coir: This medium is lightweight, holds moisture well, and is great for odor control. It’s a top choice for composting toilets and works wonderfully with the Cuddy Lite.

  • Sawdust: Affordable and effective, sawdust is readily available and has excellent odor control properties.

  • Hemp: Known for its absorbency, hemp is another good option, though it can sometimes be pricier than other choices.

Using and Maintaining a Composting Toilet with the Layering Method

Once your composting toilet is set up, maintaining it with the layering method is a breeze. After each solid use, simply add a layer of composting medium. This covers the waste, controls odors, and promotes composting. 

If you notice odors are starting to build up, adding an extra layer of medium can help. For more information on how to stop composting toilets from smelling, check out our maintenance guide.

Emptying and Cleaning a Compost Toilet using the Layering Method

Different models of composting toilets may vary in how they are emptied, but the process is usually straightforward. For the Cuddy Lite, the method is as follows:

  1. Remove the Bag (if using one): If you have lined the solids bin with a bag, carefully remove the bag containing the waste.

  2. Dispose of the Waste Responsibly: Depending on your setup, you can add the contents to a composting pile or dispose of the bag in accordance with local regulations. For ongoing composting, ensure the bag used is compostable.

  3. Clean the Solids Bin: Give the solids bin a quick rinse if needed before re-lining it with a new bag or adding a fresh layer of composting medium.

Benefits of the Layering Method in Composting Toilets

The layering method brings several key advantages to composting toilets:

  • Odor Control: By adding a layer of composting medium after each use, odors are kept to a minimum.

  • Moisture Management: Composting mediums like coco coir and sawdust absorb moisture effectively, creating the ideal environment for composting.

  • Ease of Use: The process is straightforward and doesn’t require mechanical components like agitators.

  • Versatility: Works with various natural mediums, allowing you to choose what suits your needs best.

  • Toilet Paper Compatibility: Toilet paper can be safely added to the solids bin, making the layering method even more convenient.

Why the Layering Method Might Be Right for You

In short, the layering method offers a balance of simplicity and effectiveness, especially with a model like the Cuddy Lite. It requires minimal upkeep, controls odors well, and allows you to use the composting medium that best suits your needs.

If you’re still weighing your options, the Cuddy Lite is an excellent choice for those who want an easy-to-use composting toilet.

Considering a composting toilet? The layering method could make your transition smoother, giving you a clean, eco-friendly solution with minimal hassle.

Frequently Asked Questions

What materials should I avoid when layering for a composting toilet? Avoid non-compostable materials like plastic, synthetic fibers, or chemically treated mediums. Stick to natural materials like coco coir, sawdust, or hemp.

How often should I add new layers to my composting toilet? Add a new layer of composting medium after each solid use to maintain odor control and promote composting.

Can I use regular trash bags in the solids bin? Yes, you can use regular trash bags, but consider how you plan to dispose of the waste. If you are binning it, plastic bags are fine. However, if you want to compost the waste compostable bags are a better choice.

How do I know when it’s time to empty my composting toilet? You’ll need to empty the solids bin when it becomes full, typically every 1–2 weeks depending on usage. Check regularly to ensure the waste doesn’t exceed the bin's capacity, as this could impact odor control and the composting process.


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Erica Pugh, HOM for CompoCloset

ERICA PUGH


Erica Pugh is Co-founder and Head of Marketing at CompoCloset.

 

She realised the necessity (for her) of having a toilet for travel and vanlife during multiple trips in the USA and Europe

 

When Richard asked if she wanted to help bring CompoCloset to life she was all in.

 

From the beginning Erica's goal for CompoCloset was to educate people on the benefits of composting toilets and to build a community of like minded portable toilet users. She now knows way too much about other people's bowel movements.

From Orcas Island, Washington she now lives in Vienna, Austria.

 

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