The Science
Composting Toilet Odor Control: How It Actually Works
Odor control in a composting toilet is an outcome of good design and consistent habits — not products that cover up a problem after it forms. Sou...
Read moreThe Science
The Science
Peer-reviewed explainers, field data, and the chemistry behind composting sanitation.
The Science
Browse the latest guides, explainers, and field notes.
The Science
Why Separation Matters: Liquids, Solids, and a Cleaner System
Every element of the Renew is designed around this logic. The bowl shape keeps liquids and solids separated (even when men urinate standing up). T...
Read more
The Science
How Does a Composting Toilet Work?
A composting toilet works because it respects a simple biological truth: with the right conditions, nature breaks down organic matter on its own. ...
Read moreCommon questions
Does A Compost Toilet Smell?
Short Answer, No. A compost toilet that is properly maintained will not have a sewage odor. Most users will note a natural soil smell when using their Carbon Cover. We suggest, coconut coir because of its natural absorbency and sustainable processing.
Are Compost Toilets Safe to Use?
Yes! Compost Toilets are safe and hygienic to use on a regular basis in everyday life. Separating your liquid from solid waste allows each type of waste to be handled easily and safely before becoming what is considered "raw sewage," eliminating the need for a black tank or chemical treatments.
What Makes Virro Different than other Compost Toilet Companies?
Virro is challenging and redefining what a compost toilet can do. Not just for full-time travelers or off-grid tiny homes, but manufacturing products with purpose for residential and commercial uses as well. We believe we can change the mindset of waste from flush and forget to recover and return. Learn more about Closing the Loop.