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Ozone, sometimes
referred to as energetic oxygen, is a powerful
oxidizer of contaminants in water. It is made available for hot
tubs and spas through the use of ozone generators called
ozonators. Ozone is formed when
three atoms of oxygen are bound together, instead of the
normal two. If you have ever detected a faint, sweet
smell in the air after a lightning storm, that was ozone!
What Ozone Does in Hot Tubs
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- Reduces need for high
chemical doses
- Helps destroy bacteria,
viruses, algae, yeasts
- Oxidizes other
contaminants
- Reduces odor and chloramines
- Prolongs equipment
life
- Reduces maintenance
time & cost
- Ozone purifies
naturally
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On the Molecular Level - How Ozone is Made
Ozone for a spa is formed when individual molecules of oxygen are
split apart into two free oxygen atoms by intense UV light, or
alternately by corona discharge (CD) in an ozonator. When a newly freed oxygen Atom
collides with another oxygen molecule, it joins up, forming ozone. The
new ozone molecule consists of three oxygen atoms, instead of the customary two.
It is a strong oxidizer, but since it does not last long it needs to
be continuously replenished by the ozone generator running at least
4-6 hours per day to dissolve effective amounts in the hot tub's
water.
Ozone is a much stronger oxidizer of contaminates than
plain oxygen because the extra oxygen atom is loosely bound. It
breaks loose when it comes in contact with organic material or other contaminants, oxidizing and thereby
destroying them in the process.
1
Oxygen molecules (O2)
2 Molecule broken apart by UV or Corona Discharge
3
New ozone molecules (O3) formed
4 Contaminants oxidized by active ozone |
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Other Benefits
Ozone also oxidizes soap, deodorant, hair spray, cologne, makeup,
perfume, body lotion, hand cream, sun tan lotion, saliva, and urine.
Used in concert with your sanitizer, ozone helps kill pathogenic
bacteria, germs, and viruses and helps to oxidize organic
contaminants. Ozone frees up combined chlorine and bromine, thus
freeing them to be continuously reused. Ozone ultimately enhances the
performance of chlorine and bromine as well as alternative sanitizer
systems.
Less chlorine or bromine may be needed to maintain a residual.
The quality of water will be dramatically better with the combination
of ozone and chlorine or bromine than with chlorine or bromine alone.
The ozone not only
destroys microorganisms, it also breaks down harmful chemicals, and
causes total dissolved solids to clump together for easier removal
by the filter. The result
is water which is cleaner, clearer, and smoother feeling to the
skin.
Perfectly Compatible with Alternative
Sanitizers
Ozone is 100% compatible with
alternative
purification systems such as Cleanwater Blue, Nature2 mineral
purifier, and the Spa Frog.
Ozone also helps prevent the calcium in spa
water from chelating, and thus conditions the water. This is
good for equipment and more enjoyable for you. Many people say
that the
water actually feels softer
to the skin!
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Q & A
Will Ozone replace my current sanitizer?
No. Ozone has a
very short half-life in water (about 15 minutes) and it is not
totally effective as a sanitizer. You will still need to use
a system such as bromine, Cleanwater Blue, or Nature 2. However,
you will find that you can use a lot less chemicals-- often up to 25% less, and this will pay for your ozone system over time, and
make spa maintenance much more trouble free. With Cleanwater
Blue and Nature 2 alternative sanitizers,
you will probably be able to reduce the amount of shock
used. Actual reductions will depend on many factors,
including water quality and bather load.
How long should I operate my ozonator each day?
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To be effective,
you should run your ozonator at least 4-6 hours per
day. If your spa filter/pump is controlled by a timer,
a good method is to set it to run for two 2 to 4 hour
cycles, 12 hours apart, each day. Check your spa
owner's manual. |
Can I add an ozonator to my hot tub?
Yes! 90% of all
new spas come "ozone ready" requiring only a simple
hookup of an
ozonator
kit, and sometimes also with an injector. With spas not so equipped, there
are several ozone installation options available, and one of them will likely
be suitable for your system.
Is the ozone
produced in my spa safe to me and the environment?
The amount of ozone produced by a hot tub ozone generator is
insignificant to the normal atmosphere we live in. When dissolved
in water, ozone is extremely safe. Excess ozone quickly converts
back to oxygen. Note: do not breathe concentrated ozone gas.
If I use an
ozonator in my spa, will I help replenish the Earth's protective
ozone layer
Unfortunately not. Because ozone reacts so quickly with
contaminants in water and air, it converts back to oxygen within
minutes or even seconds. Any ozone molecules that break free
from the spa water will convert to oxygen and never reach the
upper atmosphere.
Will ozone
affect my pH?
Ozone is pH
neutral. It will not adversely affect the pH of your hot tub
water. |
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Read more about adding an
ozonator
to your spa. Do-it-yourself installation is fast, easy, and costs a lot less than you
might think when you buy from The Spa Depot.
New technology long-life Clarathon
Electronic UV Ozonator shown here. Ozone gas is delivered via
attached tubing. |
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