Corona discharge method
What does corona discharge mean?
The gaseous ozone generator produces ozone by mimicking the action of lightening on oxygen found in our atmosphere. In nature, lightning produces ozone by cleaving oxygen molecules found in ambient air into oxygen atoms. These oxygen atoms react with oxygen molecules to form tri-atomic oxygen, also known as ozone.
This process is reproduced in our ozone generators. A high voltage power supply found inside the ozone generator provides the energy required to form electrical arcs, known as corona discharges,
inside the patented corona cells. These corona discharges cleave the oxygen molecule into oxygen atoms which recombine to form ozone. This process is known as the "corona discharge method" of producing ozone.
What is the difference between corona discharge ozone generators and UV ozone generators?
Our corona discharge ozone generators produce ozone concentrations of up to 10wt% with dry oxygen feed. Other ozone generators based on the UV method of producing ozone can produce only 0.2wt% at best.
This is an important consideration when selecting an ozone generator for your home. Henry's law of gas solubility dictates that the higher the concentration of ozone in the gas phase the higher the dissolved ozone concentration. The more contaminated the water the more ozone is required to clean it. UV ozone generators simply cannot treat cloudy water or water containing heavy metals, tannin, or odours.
Pool gaseous ozone systems
The performance of Ozomax gaseous ozone pool and spa water treatment systems is independent of the water conductivity and hardness. Therefore, they are ideal for pools and spas where salt addition is not desired and/or for pools and spas that contain hard water (250 ppm CaCO3 or greater).
Ozomax Gaseous Ozone Pool treatment systems consist of three (3) components
Gaseous Ozone generator: Produces gaseous ozone from oxygen found in ambient air.
Air dryer: Removes humidity from ambient air before it enters the ozone generator. This increases the amount of ozone produced by the ozone generator and increases the life of the ozone generator.
Venturi (ozone injector): The venturi siphons air through the automatic vacuum air dryer and ozone generator and subsequently injects the ozone produced into the pool water recirculation stream.
How does ozone pool treatment work?
Ozone is injected and mixed into the pool recirculation water stream via the venturi. Once dissolved, ozone reacts with the cell membranes of bacteria and viruses, oxidizing them and converting them to carbon dioxide and water. Similarly, ozone oxidizes other pool water organic contaminants such as urine, sweat and saliva.
What model ozone generator do I need?
The size of ozone generator required is determined by the volume of your pool.
See sizing chart below.
Contact us at This e-mail address is being protected from spambots. You need JavaScript enabled to view it. for a quotation.
| Pool Volume | Recommended model |
Air dryer model | Venturi model | |
| Gallons | M3 | |||
| 0 - 12 500 | 0 - 50 | OZO-1VTTL | OZ-VAC | V - 1584 |
| 12 500 - 25 000 | 50 - 100 | OZO-2VTTL | OZO-VAC | V - 1584 |
| 25 000 - 37 500 | 100 - 150 | OZO-3VTTL | OZO-VAC | V - 1584 |
| 37 500 - 50 000 | 150 - 200 | OZO-4VTTL | OZO-VAC | V - 1584 (2 units) |
How is this equipment installed?
Why do we need to use sodium bromide (NaBr)?
To further increase the solubility of the gaseous ozone in water without increasing the size of the ozone generator sodium bromide (NaBr), a naturally occurring component in sea water, can be added to the pool.
How much sodium bromide (NaBr) is needed?
Sodium bromide (NaBr) is added to the pool at a concentration of 15 - 30 mg/L (0.015 - 0.030 g/L) only at the beginning of the season.
Ozone (O3) reacts with sodium bromide (NaBr) to form hypobromous acid (HOBr) which itself is a powerful bactericide. Upon reacting with an organic molecule in the pool water hypobromous acid is converted back to bromide. This bromide then reacts with ozone to form hypobromous acid and the cycle begins again.
In this way, the sodium bromide is continuously recycled by ozone. So, one only needs to add 15 - 30 mg/L (0.015 - 0.030 g/L) at the beginning of the season and perhaps add 1-3 mg/L (0.001 - 0.003 g/L) every few months to make-up for losses due to backwashing, splashing, drag-out etc.
Pool insitu ozone systems
Ozomax INSITU Ozone Pool treatment systems consist of two (2) components:
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| INSITU Ozone generator: Produces ozone and mixed oxidants from the pool water itself. | INSITU Power Supply: Provides DC power to the INSITU ozone generator. |
The internal computerized controller (PLC controller) allows
- the user to select the power level desired
- the constant monitoring and control of the power required to maintain the desired level of dissolved ozone
- the automatic initiation of the INSITU ozone generator cleaning cycle to ensure that the internal electrodes are clean and working optimally
How does ozone pool treatment work?
Ozomax's patented INSITU ozone generators produce ozone and several mixed oxidants such as atomic oxygen, hydrogen peroxide and hydroxyl radicals from the pool water itself. These oxidants react with the cell membranes of bacteria and viruses, oxidize them and convert them to carbon dioxide and water. Similarly, other pool water contaminants such as urine, sweat and saliva are eliminated.
What is an INSITU Ozone Generator?
Ozomax's INSITU ozone generators produce ozone not from air or gaseous oxygen but directly from water using a patented electro-catalytic dissociation process. The resulting nascent oxygen in the presence of precious metal catalysts produces a mixture of powerful oxidants including oxygen radicals, ozone, hydrogen peroxide and hydroxyl radicals. These work together to oxidize and eliminate organic and inorganic pollutants and are especially effective at destroying micro-organisms.
Since ozone is produced directly from the water itself Ozomax INSITU ozone generators
- are unaffected by ambient humidity and temperature
- have no mass transfer losses - all of the ozone produced is dissolved
- do not require any accessories such as air driers or ozone injectors thereby making them easier to install
- require no maintenance as computerised power supply automatically initiates the cleaning cycle at a pre-determined frequency
What model ozone generator do I need?
The size of ozone generator required is determined by the volume of your pool.
See sizing chart below.
Contact us at This e-mail address is being protected from spambots. You need JavaScript enabled to view it. for a quotation.
| Pool Volume | Recommended Model | Electrical Input | Nominal Dimensions | |||
| Gallons | M3 | Volts | Amps | W / D / H (inches) | W / D / H (cm) | |
| 0 - 7500 | 0 - 30 | Ozo-Insitu 6D/24L | 24 | 10 | 16' x 6' x 32' | 41 x 15 x 81 |
| 7500 - 12500 | 30 - 50 | Ozo-Insitu 24D/24L | 24 | 10 | 16' x 6' x 32' | 41 x 15 x 81 |
| 12500 - 18750 | 50 - 75 | Ozo-Insitu 36D/24L | 24 | 10 | 16' x 6' x 32' | 41 x 15 x 81 |
| 18750 - 25000 | 75 - 100 | Ozo-Insitu 36D/24L | 24 | 20 | 16' x 6' x 32' | 41 x 15 x 81 |
How is this equipment installed?
Why do we need to use sodium chloride (common salt, NaCl) ?
Since Ozomax INSITU ozone generators produce ozone through an electrolytic process, one must ensure that the pool water is sufficiently conductive. To achieve this goal, salt (such as sodium chloride and/or sodium bromide) is added to the pool.
The Ozomax INSITU ozone generator is not a salt chlorine generator. Salt chlorine generators produce chlorine whereas Ozomax INSITU Ozone Generators produce ozone and mixed oxidants.
How much sodium chloride (NaCl) is needed?
Sodium chloride is added to the pool at a concentration of 2 grams/L only at the beginning of the season to increase the water conductivity. A few months later, some make-up salt (say about 0.2 g/L) might have to be added in order to compensate for losses due to backwashing, splashing, rain etc.
Pool and Spa ozone treatment systems
Ozomax offers two types of pool treatment systems.
1- Gaseous Ozone Systems (Salt-free systems)
2- INSITU Ozone Systems (Low salt systems)
Ozomax Ozone Pool Treatment systems can:
- Totally eliminate the use of chlorine in your pool or spa
- Provide sparkling, clear water with minimal maintenance and additives
- Kill bacteria and viruses found in the water
- Eliminate organic contaminants such as urine
- Unlike chlorine, ozone will not irritate your eyes, your lungs or bleach your bathing suit
- Unlike chlorine, ozone will not produce any harmful by-products