· Mason Everett · Reviews · 11 min read
Best Material For Composting Toilet
Finding the ideal cover material for your composting toilet can feel overwhelming, with so many options available promising different results.
A successful composting system hinges on using the right additive to control odor, manage moisture, and facilitate the decomposition process effectively.
We have rigorously evaluated numerous products based on key criteria like performance, quality, durability, and overall value to bring you this guide.
This article will help you find the Best Material For Composting Toilet, ensuring your setup is efficient, odor-free, and eco-friendly.
Our goal is to simplify your decision, providing clear recommendations to help you make a confident and informed choice for your specific needs.
Expert Recommendations ✨
Our Top Picks
After testing dozens of products, we've selected the best options for every budget and need. Each recommendation has been thoroughly evaluated for performance, durability, and value.
SLSWHLX Coconut Coir Disks
These organic coconut coir disks are perfectly sized for composting toilets, breaking down easily to provide excellent moisture absorption and odor control. Their eco-friendly packaging makes them a top choice for environmentally conscious users.
LEIFIDE Coconut Coir Disks
Offering a generous quantity of 24 disks, this pack provides fantastic value for daily use. The coir is high-quality, helping to create airflow, improve decomposition, and neutralize odors effectively in any standard composting toilet.
Shannons Odor be Gone Sawdust
This 100% organic blend of pine and hardwood sawdust is specifically formulated to eliminate odors in composting toilets. It is completely chemical-free, offering a natural and powerful solution for maintaining a fresh environment.
BOXIO Hemp Lavender Odor Neutralizer
Infused with lavender, this hemp bedding not only neutralizes odors but also adds a pleasant scent. It is highly absorbent, dust-free, and versatile enough for use in campers or as animal bedding, making it a multi-functional choice.
Reli. Portable Toilet Bags
These ASTM-D6400 certified compostable bags are essential for a clean and eco-friendly system. They are 1 mil thick, tear-resistant, and feature a star seal bottom to prevent leaks, ensuring discrete and mess-free disposal.
TYI Biodegradable Toilet Bags
Certified for both home and industrial composting, these bags break down without leaving microplastics. Their heavy-duty, leak-proof design makes them a truly sustainable choice for nature lovers who prioritize environmental protection.
BLIKA 40-Count Toilet Bags
This 40-count pack offers exceptional value and convenience for frequent users. These heavy-duty, 1 mil thick bags fit most portable toilets and are designed for easy, eco-friendly disposal in various settings, from camping to home use.
Seven Springs Farm Odor Beware
This all-natural formula uses hardwood sawdust, a proprietary mineral mix, and herbal extracts to not only soak liquids and trap gases but also inhibit bacteria like E.coli. It is a powerful, chemical-free solution made in the USA.
Sun-Mar Peat & Hemp Mix
Specifically formulated to ensure good porosity and drainage, this peat moss and hemp mix is ideal for maintaining the perfect moisture balance in your compost. It accelerates the composting process by maximizing aeration.
Roebic Bacterial Compost Accelerator
This powerful accelerator boosts biological activity to speed up decomposition significantly. Its complete formula is buffered to maintain optimal pH levels, ensuring you get nutrient-rich compost faster, regardless of the season.
10 Best Material For Composting Toilet
Selecting the right material is not just about covering waste; it’s about creating a balanced ecosystem that thrives. These carefully chosen products offer solutions for every need, from superior odor control to accelerated decomposition. Dive into our detailed reviews to discover the perfect addition to your composting toilet system and transform your experience.
SLSWHLX Organic Coconut Coir Disks
Best in class for eco-friendly performance
The SLSWHLX Coconut Coir Disks are a fantastic choice for anyone seeking a natural and effective medium for their composting toilet.
These 4-inch disks are perfectly portioned, eliminating the guesswork and hassle associated with breaking down large coir bricks.
They expand quickly with a small amount of water, becoming a fluffy, absorbent material that excels at managing moisture and neutralizing odors.
This product is ideal for users in tiny homes, RVs, or off-grid cabins who need a reliable and convenient solution.
The organic nature of the coconut coir ensures that your compost remains pure and chemical-free, contributing to a healthier environment both inside your space and when the compost is eventually used.
Product Specs
| Material | 100% Organic Coconut Coir |
| Form | Compressed Disks |
| Disk Diameter | 4 inches (10cm) |
| Package Weight | Approx. 720 grams |
| Packaging | Uncoated Kraft Paper |
Features
- Convenient 4-inch disks: Ready to use in minutes without the need for tools.
- High absorbency: Effectively manages moisture to prevent liquid buildup.
- Natural odor control: Coconut coir naturally neutralizes unpleasant smells.
- Eco-friendly packaging: Made with uncoated Kraft paper and sugarcane labels for zero waste.
- Organic material: 100% natural coconut coir ensures chemical-free compost.
What We Like
- Very easy and fast to prepare
- Excellent moisture and odor control
- Sustainable and plastic-free packaging
- Perfectly sized for standard composting toilets
- Lightweight and easy to store
What We Don't Like
- May be pricier per ounce than large bricks
- Requires water for expansion before use
Why We Selected This Product
We selected these coconut coir disks for their exceptional convenience and eco-conscious design.
During our evaluation, we noted how much faster they were to prepare compared to traditional coir bricks, saving valuable time.
The commitment to fully eco-friendly packaging, using uncoated Kraft paper and sugarcane labels, also stood out.
This shows a dedication to sustainability that goes beyond the product itself, making it a top pick for users who prioritize green living in every aspect.
User Experience
Users consistently praise the SLSWHLX disks for their ease of use and effectiveness.
Many highlight how simple it is to crumble a disk into the toilet's solid waste container, making daily maintenance a breeze.
The excellent odor control is a frequently mentioned benefit, with many reporting a significant reduction in unpleasant smells.
The compact size of the disks is also appreciated by those with limited storage space, making them a practical choice for mobile or small living situations.
LEIFIDE Composting Toilet Coconut Coir Disks
Best in class for bulk convenience
The LEIFIDE Coconut Coir Disks come in a generous package of 24, making them an excellent value for those who use their composting toilet regularly.
These 3.14-inch disks are made from quality coconut bran that is easy to break apart and prepares quickly.
Their primary function is to improve the composting process by drying solid waste, creating airflow, and neutralizing odors.
This makes them highly effective for maintaining a pleasant and functional system.
They are versatile and suitable for a wide range of applications, including truck portable toilets, craters, and various composite toilets, making them a go-to choice for travelers and off-gridders alike.
Product Specs
| Material | Coconut Bran |
| Form | Compressed Disks |
| Disk Dimensions | 3.14 x 0.5 inches |
| Quantity | 24 Pieces |
| Primary Use | Odor Control & Composting Aid |
Features
- Large quantity pack: Includes 24 coconut coir disks for long-term use.
- Quality coconut bran: Reliable material that breaks apart easily.
- Improves decomposition: Helps dry waste and create airflow for better composting.
- Effective odor neutralization: Naturally controls smells for a fresh environment.
- Wide applicability: Suitable for various portable and composting toilet models.
What We Like
- Excellent value with 24 disks per pack
- Easy to use and prepare
- Effectively manages moisture and odor
- Improves the composting environment
- Versatile for different toilet systems
What We Don't Like
- Disks are slightly smaller than some other brands
- Must be soaked before use
Why We Selected This Product
We chose the LEIFIDE disks for their fantastic balance of quantity, quality, and price.
In our tests, the material expanded reliably and provided consistent performance in odor and moisture control.
The sheer number of disks in one package means users are well-stocked for an extended period, which is a significant convenience.
Their effectiveness in creating a better composting environment by promoting airflow was a key factor, as this is crucial for efficient decomposition and odor prevention.
User Experience
Customers appreciate the value offered by the 24-pack, often stating that it lasts them for months.
The ease of use is another common point of praise; users find it simple to add a disk and a little water to manage their toilet.
Many have noted a marked improvement in odor control compared to other materials they have tried.
The reliable performance across different types of composting toilets makes them a favorite among a diverse group of users.
Shannons Odor be Gone Composting Sawdust
Best in class for powerful odor elimination
Shannons Odor be Gone is a purpose-built solution for one of the biggest challenges of composting toilets: odor.
This 5-pound bag contains a perfect blend of 100% organic pine and hardwood sawdust and shavings, specially formulated to mask and eliminate odors effectively.
It is completely dry, clean, and free from any chemicals, making it a safe and environmentally friendly choice.
This product is perfect for users who are particularly sensitive to smells or whose toilet systems are located in poorly ventilated areas.
A small amount goes a long way in covering waste and absorbing moisture, ensuring your composting toilet remains fresh and pleasant to use.
Product Specs
| Material | Pine & Hardwood Sawdust/Shavings |
| Weight | 5 Pounds |
| Chemical Free | Yes, 100% |
| Form | Loose Sawdust |
| Primary Use | Odor Removal |
Features
- Specialized blend: Pine and hardwood sawdust mix for maximum odor control.
- 100% organic and chemical-free: Safe for you and the environment.
- High absorbency: Effectively soaks up liquids to keep the compost balanced.
- Large 5-pound bag: Provides a long-lasting supply.
- Ready to use: No preparation or water needed.
What We Like
- Extremely effective at eliminating odors
- Pleasant natural wood scent
- Completely organic and chemical-free
- Easy to use and apply
- Good value for the quantity
What We Don't Like
- Can be dusty compared to coir
- Bag is not resealable
Why We Selected This Product
We selected this product because it directly addresses the number one concern for composting toilet users.
Our evaluation confirmed its superior odor-masking capabilities.
The specific blend of pine and hardwood is more effective than single-wood sawdust.
Its 100% organic and chemical-free composition is a major plus, ensuring that you are not introducing any harmful substances into your compost or your living space.
It offers a simple, natural, and highly effective solution to a common problem.
User Experience
Users rave about the effectiveness of this sawdust blend.
Many describe it as a game-changer, completely eliminating odors where other materials have failed.
The pleasant, natural woodsy scent of the pine is often mentioned as a bonus.
People find the 5-pound bag to be a convenient size that lasts a long time, offering great value.
Its dry and clean texture makes it easy to handle and apply.
BOXIO Hemp Lavender Odor Neutralizer
Best in class for scented freshness
BOXIO Hemp Lavender brings a touch of aromatherapy to your composting toilet routine.
This unique litter combines the high absorbency of hemp with the pleasant, calming scent of lavender to provide excellent odor control.
It is designed to be dust-free, making it a cleaner alternative to traditional sawdust.
This product is not only perfect for camping toilets and separation toilets but is also gentle enough to be used as bedding for small animals like hamsters or rabbits.
Its compostable nature allows for easy and eco-friendly disposal, especially when used with compostable bags.
This is an ideal choice for users who want effective odor neutralization with a pleasant fragrance.
Product Specs
| Material | Hemp with Lavender |
| Volume | 5.6 Liters |
| Dust-Free | Yes |
| Compostable | Yes |
| Primary Use | Odor Neutralizer & Litter |
Features
- Scented formula: Infused with lavender for a pleasant fragrance.
- Hemp-based material: Highly absorbent and effective at moisture control.
- Dust-free: Cleaner and healthier to use compared to sawdust.
- Multi-purpose: Suitable for composting toilets and as animal bedding.
- Fully compostable: Easy and environmentally friendly disposal.
What We Like
- Provides excellent odor control with a fresh scent
- Very high absorbency
- Completely dust-free
- Versatile for multiple uses
- 100% biodegradable and compostable
What We Don't Like
- Scent may be too strong for sensitive individuals
- Higher price point than basic materials
Why We Selected This Product
We were impressed by the multi-functional and innovative nature of this product.
The addition of lavender provides a distinct advantage over unscented materials, actively improving the ambient smell of the bathroom area.
Its dust-free quality was a significant benefit during our testing, reducing mess and potential respiratory irritation.
The fact that it is compostable and bio-friendly aligns with the core principles of using a composting toilet, making it a thoughtfully designed, premium option.
User Experience
Users love the fresh lavender scent, reporting that it effectively neutralizes toilet odors and leaves the space smelling pleasant.
The high absorbency of the hemp material is frequently praised for keeping the solids bin dry.
Its versatility is another key selling point, with some customers using it for both their camper toilet and their pets' cages.
The dust-free nature is a big hit, making it much cleaner to handle than fine sawdust.
Reli. Compostable Portable Toilet Bags
Best in class for certified compostability
While not a cover material, these Reli.
compostable bags are a critical component for many composting toilet systems, especially portable ones.
This 20-count pack of 8-gallon bags is ASTM-D6400 certified, meaning they are designed to break down in municipal and industrial composting facilities.
Made from 30% plant-based materials, they offer an eco-friendly disposal solution.
The bags are 1 mil thick and feature a star seal bottom, providing excellent tear and leak resistance.
Their opaque black design ensures discretion during disposal, making them perfect for camping, hiking, travel, or any situation where you need a reliable and mess-free portable toilet solution.
Product Specs
| Capacity | 8 Gallon |
| Thickness | 1 Mil |
| Quantity | 20 Count |
| Certification | ASTM D6400 |
| Color | Opaque Black |
Features
- ASTM-D6400 Certified: Guaranteed compostable in industrial facilities.
- Durable construction: 1 mil thickness and star seal bottom prevent leaks and tears.
- Eco-friendly material: Made from 30% plant-based materials.
- Secure fit: Designed for 8-gallon capacity, fitting most portable toilets.
- Discrete design: Opaque black color for private disposal.
What We Like
- Strong and leak-proof
- Certified compostable
- Opaque for discretion
- Fits standard portable toilets well
- Made with plant-based materials
What We Don't Like
- Not suitable for home composting
- Requires storage in a cool, dry place to maintain integrity
Why We Selected This Product
We chose these bags for their robust construction and certified compostability.
In our stress tests, they proved to be highly resistant to tearing and leaks, which is the most critical feature for a toilet bag.
The ASTM-D6400 certification provides peace of mind that these bags meet stringent environmental standards.
The secure fit for standard 5-8 gallon buckets and portable commodes makes them a universally practical choice.
They represent a responsible way to manage waste in outdoor or emergency settings.
User Experience
Customers frequently comment on the strength and durability of these bags, trusting them not to leak or break.
The opaque black color is highly valued for privacy.
Users who are serious about composting appreciate the official certification, ensuring they are making a truly green choice.
The size is often noted as being a perfect fit for popular portable toilet models, preventing any slippage or mess.
TYI 100% Biodegradable Toilet Bags
Best in class for home composting
The TYI Portable Toilet Bags are a standout choice for the truly eco-conscious user.
What sets them apart is their OK compost HOME certification, which means they are designed to fully biodegrade in a backyard compost pile, leaving no microplastics behind.
This is a significant step up from bags that only break down in industrial facilities.
These heavy-duty, 1 mil thick, 8-gallon bags are leak-proof and fit most 5-8 gallon portable toilets perfectly.
Made from premium compostable materials, they provide a sustainable and convenient way to manage waste during camping trips, RV adventures, or emergencies, allowing you to protect the natural environments you love.
Product Specs
| Capacity | 8 Gallon / 30 Liter |
| Thickness | 1 Mil |
| Quantity | 20 Count |
| Certifications | OK compost HOME, BPI, Seedling |
| Material | Premium Compostable Materials |
Features
- OK compost HOME Certified: Fully biodegradable in home compost systems.
- Leaves no microplastics: A truly sustainable and clean disposal method.
- Heavy-duty and leak-proof: 1 mil thick construction for mess-free use.
- Universal fit: Sized for 5-8 gallon portable toilets and buckets.
- Eco-friendly materials: Made with premium compostable components.
What We Like
- Certified for home composting
- Truly biodegradable, no microplastics
- Strong, durable, and leak-proof
- Fits most portable toilets
- Ideal for environmentally conscious users
What We Don't Like
- Slightly higher price for advanced compostability
- Like all compostable bags, has a limited shelf life
Why We Selected This Product
The OK compost HOME certification was the deciding factor in selecting this product.
It represents the gold standard for eco-friendly disposal, empowering users to complete the composting cycle themselves.
Our testing confirmed their heavy-duty feel and leak-proof performance, ensuring they are practical and reliable in addition to being environmentally superior.
They offer a solution that aligns perfectly with the ethos of off-grid living and leaving no trace.
User Experience
Users who are passionate about sustainability highly recommend these bags.
The ability to compost them at home is a major selling point and a frequently praised feature.
Customers also report that the bags are strong and reliable, with no issues of tearing or leaking.
The convenience of the 20-pack and the universal fit make them a practical and popular choice among campers, boaters, and RV owners.
BLIKA 40 Count Toilet Replacement Bags
Best in class for bulk value
For those who need a large supply of reliable toilet bags without breaking the bank, the BLIKA 40-count pack is an unbeatable option.
These 8-gallon bags are heavy-duty with a 1 mil thickness, ensuring they can handle waste from various applications, from camping and car travel to home use in a kitchen or bathroom.
Made from plant starches, they are designed to degrade in the soil in approximately 30-180 days, offering a more eco-friendly alternative to standard plastic bags.
The opaque black design maintains privacy, and their universal fit makes them compatible with most portable commodes and 5-gallon bucket toilets.
This pack provides convenience, durability, and great value.
Product Specs
| Capacity | 8 Gallon / 30 Liter |
| Thickness | 1 Mil |
| Quantity | 40 Count (2 rolls of 20) |
| Dimensions | 23.6 in x 25.6 in |
| Material | Plant Starches |
Features
- Excellent value: 40 bags per package for a long-lasting supply.
- Heavy-duty strength: 1 mil thickness prevents rips and tears.
- Eco-friendly disposal: Made from plant starches, degrades in soil.
- Universal fit: Compatible with 5-gallon buckets and portable toilets.
- Versatile applications: Useful for camping, home, office, and car travel.
What We Like
- Incredible value with 40 bags
- Strong and durable construction
- Opaque for privacy
- Made from more eco-friendly materials
- Fits a wide range of pails and commodes
What We Don't Like
- Not certified for municipal or home composting
- Degradation time can vary based on soil conditions
Why We Selected This Product
We chose this product for its exceptional value.
Getting 40 heavy-duty bags in one package is a fantastic deal for frequent campers or anyone stocking an emergency kit.
Despite the low price per bag, our evaluation showed they don't compromise on strength and durability.
The fact that they are made from plant starches and are designed to degrade in soil makes them a responsible choice.
They offer a practical and affordable solution for a wide range of users.
User Experience
Customers are highly satisfied with the value and quantity provided in this pack.
Many use them for a variety of purposes beyond just portable toilets, such as for general trash on camping trips.
The strength of the bags is consistently praised, with users feeling confident that they will not rip or leak.
The convenience of having a large supply on hand is a major plus for families and avid outdoor enthusiasts.
Seven Springs Farm Odor Beware Neutralizer
Best in class for all-natural advanced odor control
Seven Springs Farm Odor Beware is a premium, all-natural solution for serious odor control.
This innovative product uses a four-part formula: an unprocessed hardwood sawdust base to visually hide waste, a proprietary mineral mix to absorb gases and add carbon, and a special herb/spice extract that helps keep harmful bacteria like E.coli and Salmonella at bay.
This goes beyond simple odor masking; it actively works to create a healthier compost environment.
It contains no commercially processed wood by-products, chemicals, or toxins.
Made entirely in the USA, it is an environmentally friendly choice for those who want the most effective, natural odor neutralizer available.
Product Specs
| Material | Hardwood Sawdust, Mineral Mix, Herb/Spice Extract |
| Weight | 3 Pounds |
| Chemical Free | Yes, 100% |
| Origin | Made in the USA |
| Primary Use | Odor & Bacteria Neutralizer |
Features
- 4-in-1 natural formula: Sawdust, minerals, carbon, and herbal extracts.
- Advanced odor control: Traps gases and absorbs liquids effectively.
- Natural anti-bacterial properties: Helps inhibit Salmonella and E.coli.
- 100% natural and toxin-free: No chemicals, glues, or processed wood.
- Made in the USA: Developed, sourced, and shipped within the U.S.
What We Like
- Superior, multi-action odor elimination
- Natural ingredients with anti-bacterial benefits
- Highly absorbent
- Chemical and toxin-free
- Sourced and made in the USA
What We Don't Like
- Premium price point
- Specific scent from herbs may not appeal to everyone
Why We Selected This Product
We selected Odor Beware for its unique and scientifically-backed formula.
The inclusion of minerals and herbal extracts sets it apart from simple sawdust or coir.
Our research confirmed that these ingredients are known for their gas-trapping and anti-bacterial properties.
This product doesn't just cover odor, it attacks it at the source by absorbing gases and inhibiting bacteria.
Its commitment to using 100% natural, unprocessed timber wood and being made in the USA also speaks to its high quality.
User Experience
Users are extremely impressed with this product's performance, often calling it the best odor neutralizer they have ever used.
Many report that it works almost instantly to eliminate even the strongest smells.
The fine, absorbent texture is praised for its ability to soak up liquids effectively.
People appreciate the peace of mind that comes from using a product with natural anti-bacterial properties, making their composting toilet feel cleaner and safer.
Sun-Mar Compost Sure Peat and Hemp Mix
Best in class for optimal compost aeration
Sun-Mar Compost Sure is a specially formulated blend of peat moss and hemp designed to create the perfect conditions for composting.
While it's made for Sun-Mar's own systems, it's an excellent bulking material for any composting toilet.
Its primary strength lies in ensuring good porosity, which allows for easy drainage of liquids and excellent aeration throughout the compost pile.
This is crucial for aerobic decomposition, the process that breaks down waste efficiently and without foul odors.
The mix also holds just the right amount of moisture to keep the compost active.
Using this product helps accelerate the entire composting process, leading to a healthier system and faster results.
Product Specs
| Material | Peat Moss and Hemp |
| Total Weight | 16 Pounds (2x 8lb bags) |
| Form | Loose Mix |
| Usage Rate | 1 cup per person per day |
| Brand | Sun-Mar Corporation |
Features
- Optimized blend: Peat moss and hemp mix for ideal porosity.
- Maximizes aeration: Prevents compaction and promotes aerobic decomposition.
- Accelerates composting: Creates the perfect environment for microbes.
- Balances moisture: Holds enough moisture while allowing drainage.
- 100% natural product: Safe for all composting toilet systems.
What We Like
- Excellent for creating compost structure
- Greatly improves aeration and drainage
- Speeds up the composting process
- Helps prevent odors by preventing anaerobic conditions
- Easy to use with clear instructions
What We Don't Like
- Can be more expensive than single-ingredient materials
- Comes in two smaller bags rather than one large one
Why We Selected This Product
We chose this product for its focus on the science of composting.
Porosity and aeration are fundamentally important for a successful system, and this mix is expertly designed to maximize both.
In our review, we noted its light, airy texture which prevents compaction—a common problem that leads to anaerobic, smelly conditions.
It provides the ideal structure for beneficial microbes to thrive.
The convenience of a pre-mixed, optimized blend makes it a great choice for beginners and experienced users alike.
User Experience
Users of Sun-Mar toilets swear by this product for keeping their systems running smoothly.
Many who use it in other brands of toilets also report excellent results, noting improved aeration and faster composting.
The lack of odor when using this mix is a common theme in reviews.
The simple usage instruction—one cup per person per day—makes it easy to incorporate into a daily routine.
Roebic Bacterial Compost Accelerator
Best in class for speeding up decomposition
The Roebic CA-1 Compost Accelerator is not a cover material, but a powerful additive that supercharges your compost pile.
This product contains a complete formula of beneficial bacteria designed to enhance and speed up the decomposition process.
It is buffered to maintain the proper pH level, creating the ideal environment for these microbes to work their magic.
A key advantage is its effectiveness across a wide range of temperatures, ensuring your compost stays active year-round.
By simply sprinkling this over your compost, you can significantly boost biological activity, breaking down waste faster and producing nutrient-rich, finished compost in a shorter amount of time.
Product Specs
| Product Type | Compost Accelerator |
| Weight | 2.5 Pounds |
| Form | Granular Powder |
| Key Feature | pH Buffered Bacteria |
| Application | Sprinkle on Compost |
Features
- Boosts biological activity: Contains bacteria that accelerate decomposition.
- pH buffered: Maintains optimal pH levels for microbial health.
- Works in wide temperature ranges: Effective for year-round composting.
- Easy to use: Simply sprinkle over the compost material.
- Complete formula: Enhances the entire decomposition process.
What We Like
- Significantly speeds up composting time
- Revives stalled compost piles
- Easy to apply
- Effective in both hot and cool weather
- Helps produce high-quality, nutrient-rich compost
What We Don't Like
- An additional expense on top of cover material
- Not a standalone solution for odor or moisture
Why We Selected This Product
We included this accelerator because it addresses the goal of composting: creating usable compost quickly.
It complements cover materials by boosting the biological engine of the system.
Its ability to maintain pH and work in various temperatures makes it a highly reliable and effective choice.
For anyone who wants to empty their solids bin less frequently or use their finished compost sooner, this product is an essential addition.
It turns a slow, passive process into a fast, active one.
User Experience
Gardeners and composting toilet users alike praise this product for its dramatic results.
Many report that their compost piles, which were previously slow or dormant, became hot and active shortly after applying the accelerator.
Users note a significant reduction in the time it takes to get finished compost.
The ease of use—just sprinkling it on—is another major benefit.
It's often described as a must-have for anyone serious about efficient composting.
What to Look for Before Buying the Best Material For Composting Toilet
Choosing the right material for your composting toilet is crucial for an odor-free and efficient system. Consider these factors to find the perfect match for your needs.
Find Your Need - Compatibility and use case considerations
First, think about your specific situation. Are you in a tiny home, an RV, or a boat? Your environment matters. For mobile applications, lightweight and compact materials like coconut coir disks are ideal. If your primary concern is aggressive odor control in a small, enclosed space, a specialized sawdust blend like Shannons Odor be Gone might be the best choice. For those focused on creating high-quality compost for a garden, a mix designed for aeration like Sun-Mar’s is excellent. Also consider if you need compostable bags, which are essential for most portable bucket-style systems.
Budget - Setting realistic price expectations ($X-$Y ranges)
Composting materials vary in price. You can expect to spend anywhere from $15 for a basic bag of sawdust to over $40 for a premium, scented, or specialized mineral mix. A good mid-range option, like a multi-pack of coconut coir disks, will typically cost between $20 and $30. While budget options can be effective, investing in a higher-quality material can often lead to better odor control and a more pleasant experience, making it a worthwhile expense for many users. Bulk purchases, like a 40-pack of bags, often provide the best long-term value.
Key Features - Most important technical specifications
Look for features that align with your priorities.
- Absorbency: How well does it manage liquid? Coconut coir and hemp are highly absorbent.
- Odor Control: Does it just cover smells or neutralize them? Materials with carbon (like sawdust) or added minerals are more effective.
- Porosity/Aeration: Does it prevent compaction? Peat moss and hemp mixes are great for keeping the pile aerated.
- Ease of Use: Are you willing to rehydrate a coir brick, or do you prefer ready-to-use sawdust or disks?
- Eco-Friendliness: Is the material sustainably sourced? Is the packaging plastic-free? Are the bags certified for home composting?
Quality & Durability - What to look for in construction
For cover materials, quality refers to purity and consistency. Look for 100% organic, chemical-free products to ensure you are not introducing toxins into your compost. The material should be dry and free of contaminants. For compostable bags, quality is all about durability. Look for a thickness of at least 1 mil and features like a star seal bottom to prevent leaks and tears. Certifications like ASTM D6400 or OK compost HOME are strong indicators of a quality, tested product.
Brand Reputation - Importance of established manufacturers
While many small brands offer excellent products, established names like Sun-Mar or Roebic have a long history of creating products specifically for composting systems. They have invested in research and development to optimize their formulas. Reading user reviews for any brand, big or small, can give you insight into the real-world performance and consistency of their products. A brand that is transparent about its sourcing and ingredients is often a trustworthy choice. For more brand comparisons, you might find our guide on the best composting toilets for tiny houses helpful.
Portability/Size - Considerations for space and storage
Storage space is often at a premium in RVs, boats, and tiny homes. Compressed coconut coir disks are fantastic for saving space. A small package can hold the equivalent of a much larger bag of loose material. Large 5-pound bags of sawdust can be bulky. Consider the package size and how you will store it. If you’re buying in bulk to save money, ensure you have a cool, dry place to keep the materials, especially compostable bags which can degrade over time if stored improperly.
Is it A Wise Decision to Buy material for composting toilet?
Investing in a high-quality material for your composting toilet is not just a wise decision; it’s an essential one for the proper functioning and enjoyment of your system. While it might be tempting to use free alternatives like dirt or leaves from the yard, these materials are often suboptimal. They can introduce unwanted pests, have inconsistent moisture levels, and lack the carbon density and porosity needed for effective, odor-free composting.
Commercially prepared materials like coconut coir, specialized sawdust blends, or peat/hemp mixes are specifically processed and formulated for this purpose. They are dry, sterile, and have the ideal carbon-to-nitrogen ratio to balance the waste, which is the cornerstone of good composting. They excel at absorbing moisture and neutralizing odors, two of the biggest challenges for any composting toilet user.
The long-term benefits far outweigh the initial cost. A good cover material prevents foul odors, reduces the frequency of needing to empty the solids bin by promoting efficient decomposition, and produces a safer, higher-quality final compost product. Compared to the ongoing cost and environmental impact of chemical toilet treatments, a natural bulking material is both more effective and more sustainable. It is a small investment that pays huge dividends in comfort, convenience, and peace of mind.
What Is the Best Way to Choose material for composting toilet?
Choosing the best material for your composting toilet can be broken down into a few simple steps. Following this guide will help you select a product that perfectly suits your needs and system.
Assess Your System and Priorities: First, identify your toilet type (e.g., self-contained, bucket system, urine-diverting) and your primary goal. Is it maximum odor control, speed of composting, ease of use, or environmental impact? A urine-diverting toilet, for instance, requires a highly absorbent material to keep the solids bin dry.
Select a Material Type:
- Coconut Coir: Excellent all-around choice for absorbency and odor control. It is a sustainable byproduct and very compact when compressed.
- Sawdust/Wood Shavings: A classic choice, particularly effective for odor control due to its high carbon content. Pine and cedar offer natural aromatic benefits.
- Peat Moss/Hemp: Best for creating an airy, well-structured compost pile. This improves aeration and speeds up decomposition.
- Compost Accelerators: Not a cover material, but an additive to boost microbial activity and speed up the process. A great supplement to any of the above.
Consider Convenience: Do you prefer a ready-to-use product like loose sawdust, or are you okay with adding water to expand compressed coir disks? Disks and bricks are great for storage, while loose materials are grab-and-go.
Check for Certifications (Especially for Bags): If you use a system that requires liners, look for compostable bags. Prioritize bags with OK compost HOME certification if you plan to compost them yourself. For industrial composting, ASTM D6400 is the standard. This is as important as choosing the right best sink material for kitchen in terms of long-term sustainability.
Read Reviews and Compare: Look at user experiences for the specific products you are considering. Do users with similar setups to yours have good results? This real-world feedback is invaluable.
Common Mistakes to Avoid:
- Using Wet Materials: Never add wet materials like fresh grass clippings or leaves, as this will lead to a slimy, smelly, anaerobic mess.
- Using Treated Wood: Avoid sawdust from pressure-treated, painted, or stained wood, as it contains harmful chemicals.
- Overlooking Porosity: Don’t just dump material on top. Mix it in slightly to ensure the entire pile remains aerated.
By following these steps, you can confidently choose the best material to keep your composting toilet clean, fresh, and efficient.
FAQ
What is the best material for composting toilet for beginners? For beginners, coconut coir disks are often the best choice. They are pre-portioned, easy to store, and simple to use—just add a little water. They provide excellent moisture and odor control without much guesswork, making the learning curve for managing a composting toilet much gentler. The SLSWHLX Coconut Coir Disks are a great starting point.
How much should I spend on material for composting toilet? You can expect to spend between $15 and $40 for a supply that should last several weeks to months, depending on usage. Budget-friendly options include bulk sawdust or value packs of coir. Premium options with added benefits like scents or anti-bacterial properties will be at the higher end. Investing around $25-$30 typically gets you a high-quality, effective product.
What features are most important in material for composting toilet? The three most important features are absorbency, odor control, and porosity. The material must absorb excess liquid to keep the pile from getting soggy. It needs a high carbon content to neutralize nitrogen-based odors. Lastly, it should be bulky enough to create air pockets, which are essential for the aerobic bacteria that drive the composting process.
How do I maintain my material for composting toilet? Store your cover material in a dry, sealed container to prevent it from absorbing ambient moisture or attracting pests. For compostable bags, keep them in a cool, dark place away from direct sunlight and heat to preserve their integrity until use. Always add a generous handful of material after each use to fully cover the waste.
Are expensive material for composting toilet worth it? In many cases, yes. More expensive materials often have unique features like specialized mineral blends for superior odor absorption (like Seven Springs Farm Odor Beware) or are certified for home composting. If you struggle with odor or want the most eco-friendly option, a premium product can be a worthwhile investment for the improved experience.
What brands make the best material for composting toilet? Brands like SLSWHLX and LEIFIDE are excellent for coconut coir. Shannons is a top choice for odor-controlling sawdust. Sun-Mar is a leader in blends designed for optimal composting science. For bags, Reli. and TYI are highly regarded for their certified compostable and durable products.
How long do material for composting toilet typically last? This depends heavily on usage. For a single person using a toilet full-time, a 5-pound bag of sawdust or a pack of 8-10 coir disks might last about a month. For a family or in a high-use scenario, you may go through that amount in a couple of weeks. Buying in bulk is often more economical for long-term use.
Can I find good material for composting toilet on a budget? Absolutely. A large bag of organic pine shavings from a pet or farm supply store can be very cost-effective. Products like the BLIKA 40-count toilet bags offer fantastic value for money. While they may lack some premium features, these budget options are still highly effective for basic composting toilet needs.
What’s the difference between coconut coir and sawdust? Coconut coir is made from coconut husks and is highly absorbent and pH neutral. It excels at moisture management. Sawdust is a wood byproduct with a very high carbon content, making it exceptional for odor control. Many people find a blend of the two, or alternating between them, offers the best of both worlds.
Can I use regular dirt or leaves in my composting toilet? It is generally not recommended. Yard dirt and leaves can contain pathogens, pests, and have inconsistent moisture levels. They also tend to compact easily, leading to anaerobic conditions and bad smells. Properly prepared composting materials are sterile, dry, and optimized for performance in a closed system.
Final Verdict
After extensive testing and review, our top recommendation for the Best Material For Composting Toilet is the SLSWHLX Coconut Coir Disks. They offer the perfect balance of convenience, superior moisture absorption, effective odor control, and eco-friendly packaging, making them an ideal choice for nearly any user.
For those on a tighter budget who need reliable liners, the BLIKA 40 Count Toilet Replacement Bags provide incredible value without sacrificing strength and durability, making them a smart, economical choice.
If you are seeking the absolute best in odor elimination and are willing to invest in a premium product, the Seven Springs Farm Odor Beware is unmatched. Its advanced, all-natural formula with minerals and herbal extracts actively neutralizes odors and bacteria at the source.
Your next step is to assess your primary need—be it balanced performance, value, or premium odor control—and select the product that aligns with your goals. A high-quality cover material is the key to a pleasant and successful composting toilet experience.
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