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What Is Ozone

Ozone is a gas that makes up part of the earth’s atmosphere. Ozone is made up of 3 atoms of Oxygen (O3). The Oxygen we breathe is only made up of 2 atoms (O2). Despite its more talked about features, Ozone is also the strongest disinfectant available on the market, working at over 3000 times faster than Chlorine. Ozone is 1.66 times heavier than air.

Ozone has a pale blue colour in its natural state and is colourless at room temperature. Ozone has the same smell as you would expect after a thunder storm.

How does Ozone work?

The Ozone gas molecule, O3, is very unstable. This allows it to breakdown into oxygen (02). Due to the fact that Ozone (O3) has an extra Oxygen atom, one atom is released and is highly reactive. Because the Ozone molecule is unstable, Ozone rapidly turns back into Oxygen.

Is Ozone safe?

Ozone technology has been used since 1886 for water and food disinfectant. It has been used in Paris for over 100 years and in Germany since the 1940’s. As Ozone is used in gaseous and aqueous phases within an air tight decontamination chamber, it poses no threat to the user or the environment.

Having said this, it is important that Ozone is used correctly and in the correct concentrations. The acceptable level of Ozone is 0.1 ppm. The following table is a list of possible side effects if used incorrectly. This Ozone decontamination chamber is within the acceptable concentration of 0.1 and thus cause no threat. Ozone leaves no residue behind so you can use items immediately after decontamination.


Duration of Exposure

Health Effects

Acceptable Zone

0.01 - 0.04


Odour threshold


Few minutes



8 hour average exposure limit

Minor eye nose and throat irritation

Hazardous Zone

0.25 - 0.5

2 - 5 hours

Reduction in lung function


1 - 2 hours

Chest pain


2 hours

Reduced ability to think clearly. Severe lung infection.

Where is Ozone being used in the world?

Ozone is being used across South Africa for many different applications. Here is a list of uses:

  • Water purification plants

  • Used to clean fruit and vegetables to rid them of pesticides

  • Kills mould thus prolonging shelf life of products

  • Deodorizes clothes and linen in hospitals and hotels

  • Deodorizes and sterilizes children’s toys

  • Improves skins breathing thus used in beauty spas