The word ‘ozone’ is synonymous with the ozone layer that surrounds the earth in this atmosphere which you might know helps to keep us safe. It does that by being able to break down harmful radiation from the sun and in your spa it is able to break down any chemicals or bacteria that are in the water.
It is formed when UV light splits an oxygen molecule and leads to a connection of three oxygen atoms which then form an ozone molecule. This molecule is then used by the ozonator to clean the water and help to purify it.