Are you actively looking for a sustainable and eco-friendly toilet solution? You may have heard of the two main options on the market: dry flush toilets and composting toilets. They both reduce water usage to a certain extent and minimize the impact on the environment. The following guide will help you make a better choice.
How Dry Flush Toilets and Composting Toilets Work?
Important Notice
- Modiwell dry flush refill packs comply with the European Union EN 13432 industrial compostability standard.
- Please note that California has specific regulations for “compostable” products based on ASTM standards, and does not directly recognize EN 13432. In California, please do not directly treat these bags as compliant with local “compostable” standards.
- Important: Please follow your local waste disposal and composting guidelines. For more information on compostability in California, please visit: CalRecycle
Dry Flush Toilet vs Composting Toilet: Main Differences
Features | Dry flush toilets | Composting toilets |
Water usage | No water required. | No water required. |
Waste disposal | Waste is sealed in bags or containers for disposal. (Biodegradable bags are available for low environmental impact) | Waste is turned into compost through aerobic decomposition. |
Odor control | No odors due to sealed system. | Odor control depends on proper ventilation and bacterial activity. |
Maintenance | Low maintenance; regularly change waste bags or dry flush supplements. | Higher maintenance; compost needs to be stirred, aerated, and removed regularly. |
Cost | Lower upfront and maintenance costs. | Higher upfront and ongoing expenses for composting materials. |
Installation | Easy to install; no plumbing required. | More complex installation; may require a separate composting system. |
Best for | Temporary or remote use, off-grid living, or areas with water shortages. | Long-term use, environmentally friendly living, and nutrient-rich compost production. |

- Focus on portability and ease of use:If you need a solution that is easy to maintain and does not require complicated installation, the Modiwell dry flush toilet is an ideal choice.
- Suitable for temporary or long-distance use:It is suitable for camping, RV travel, outdoor activities or emergency places that need quick installation.
- Low maintenance requirements:If you want to reduce maintenance work, you only need to replace garbage bags or related consumables regularly.
- Pursue long-term sustainability:If you want to achieve waste resource utilization, a composting toilet is an environmentally friendly and sustainable choice.
- Have space and resources to manage a composting system: If you have enough space to store composting materials and are willing to invest time and energy in managing the composting process.