Knowledge Hub

Guides for life off-grid.

Explore practical guides, field notes, regulations, ownership resources, and ideas for living more independently on the road or beyond the grid.

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Research

The Science

Science-backed explainers, field data, and practical context for off-grid systems.

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 Compliance

Regulations

Permits, standards, requirements, and practical regulatory guidance.

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 Field notes

The Field

Stories, deployments, operator notes, and lessons from real-world use.

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 How-to

Owner's Manual

Setup, care, maintenance, troubleshooting, and ownership guidance.

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 Lifestyle

Virro for Life

Ideas and resources for homes, cabins, vehicles, travel, and off-grid living.

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 Systems

Closing the Loop

Resource loops, practical reuse, and the bigger picture behind resilient living.

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Top picks

The Science

Science-backed explainers, field data, and practical context for off-grid systems.

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When the Septic Starts to Fail: Why a composting toilet is a good temporary or backup solution.
The Science

When the Septic Starts to Fail: Why a composting toilet is a good temporary or backup solution.

In those cases, a urine-diverting waterless toilet can be a short term solution that turns into a long term temporary solution, depending on local ...

6 min read
Composting Toilet Odor Control: How It Actually Works
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...

10 min read
Why Separation Matters: Liquids, Solids, and a Cleaner System
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...

9 min read
Top picks

Regulations

Permits, standards, requirements, and practical regulatory guidance.

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Urine, Solids: Why the Rules Treat Waste Streams Differently
Regulations

Urine, Solids: Why the Rules Treat Waste Streams Differently

The practical takeaway is straightforward: plan both streams from the beginning. Know what your jurisdiction requires for graywater before the ins...

10 min read
Are Composting Toilets Legal? The Plain-English Guide
Regulations

Are Composting Toilets Legal? The Plain-English Guide

The regulatory landscape for composting toilets is not a wall — it is a process. The technology has been in residential use long enough that most ...

11 min read
Top picks

The Field

Stories, deployments, operator notes, and lessons from real-world use.

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Can We Do Tiny House Life Without Dump Stations and Sewers?
The Field

Can We Do Tiny House Life Without Dump Stations and Sewers?

Sonora California recently built a new sewage treatment plant for $35 million to serve just 24,000 residents. A large percentage of existing reside...

4 min read
Europe Meets Renew at Caravan Salon 2026 with ToMTuR
The Field

Europe Meets Renew at Caravan Salon 2026 with ToMTuR

This September, Renew stood on a German trade-show floor with ToMTuR (https://tomtur.de) — our exclusive distributor for Europe — and the room did ...

4 min read
The Real Cost of Toilets: RV, Marine, Septic, Sewer vs. Waterless
The Field

The Real Cost of Toilets: RV, Marine, Septic, Sewer vs. Waterless

A standard flush toilet uses about 18 gallons of water per person, per day — roughly 6,600 gallons a year, used purely to move waste from point A t...

7 min read
Top picks

Virro for Life

Ideas and resources for homes, cabins, vehicles, travel, and off-grid living.

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The Toilet for the Next Generation
Virro for Life

The Toilet for the Next Generation

By Gaelan Brown, October, 2026 · Virro for Life “Flush & Forget” conventional toilets are convenient and hygienic. But the “hidden costs” in wa...

5 min read
Virro Launches Renew Waterless Toilets on a Mission to Reinvent Sanitation
Virro for Life

Virro Launches Renew Waterless Toilets on a Mission to Reinvent Sanitation

Virro has launched Renew, a new ReGen series of waterless composting toilets designed to improve the user experience and help turn human biowaste i...

6 min read
Virro AI Transparency Policy
Virro for Life

Virro AI Transparency Policy

Our standard is simple: AI can assist the work. It cannot replace the truth. Everything Virro publishes remains our responsibility, whether AI play...

4 min read