Sep 19, 2025
Is ozone water safe? Conditions for daily use
This guide explains when ozone water is safe to use in daily routines, which conditions apply and what you must avoid.
Is ozone water safe? Learn under which conditions it is safe to use, what to avoid and how to brief your teams clearly.
Is ozone water safe in daily practice
Is ozone water safe?
Yes, ozone water can be used safely under clear conditions as cleaning water. The key is to use it for closed, wipeable surfaces and to follow a fixed workflow with clear instructions for your teams.
1. Understand what ozone water is – and is not
Ozone water is tap water in which ozone is temporarily dissolved. Its activity decreases over roughly 15 to 30 minutes, after which the water returns to normal tap water. You therefore generate it on demand with an ozone water machine or device.
- Yes: cleaning water for closed, wipeable surfaces.
- No: drinking water, wound care or medical disinfectant.
The hub article What is ozone water explains the basics; this guide focuses specifically on safe daily use.
2. Safe use per surface and area
In practice you work with a list of surfaces where ozone water is suitable. Typical “yes” examples include:
- Tables, desks, counters and display cases.
- Door handles, light switches, handrails and lift panels.
- Lockers, benches, tiled floors and showers.
- Closed parts of rollators, wheelchairs and bed rails.
An overview per environment is given in the guide Where to use ozone water and the series Ozone water versatility.
3. A clear “do not” list
Safety also means being explicit about what you should not do with ozone water. Capture this in your work instructions and repeat it during onboarding:
- Do not drink ozone water or use it as drinking water.
- Do not use it on open wounds or directly on mucous membranes.
- Do not replace prescribed medical disinfectants with ozone water.
- Be careful with delicate materials; test first on an inconspicuous area.
For more detail see the Q&A guide Is ozone water drinkable.
4. Working with the two-cloth method
A standard method makes safe use easier. For ozone water you almost always work with the two-cloth method:
- Spray ozone water onto cloth A or directly onto the closed surface.
- Clean in calm, overlapping lanes.
- Dry immediately with cloth B for an even result.
- Move from cleaner areas to more contaminated areas and replace cloths in time.
You can find full instructions in Two-cloth method and the practical guide How to clean with ozone water.
5. Ventilation and working environment
Ozone water is produced in a closed system, but you always follow your organisation’s health and safety and ventilation guidelines:
- Ensure sufficient ventilation in areas where intensive cleaning takes place.
- Use ozone water only within the settings recommended by the supplier.
- Do not store buckets for long periods; ideally make fresh water per round.
If you have specific questions about your site, please use the contact page.
6. Keeping team instructions simple
Effective safety communication is short and repeatable. A rule of thumb that works in many organisations:
- “Ozone water is our basic cleaning water for hard surfaces; it is not for drinking and not for wounds.”
Include this sentence in your work instructions and repeat it during introductions and toolbox talks.
Links to the rest of the series
This safety overview is part of the series around what is ozone water. For a complete picture also read:
How an ozone water device works
How much does ozone water cost
Further reading