Hot Tub Ozonator Pros And Cons

See the hot tub Ozonator pros and cons including what it does, if they are safe to use, maintenance tips and how ozonators compare to hot tub ionizers.
Hot tub for outdoor areas with OzonatorMany hot tub owners are cautious about soaking in a tub of water laced with chemicals. Trying to relax while strong odors of chlorine, sanitizers, and additional chemicals overwhelm your breathing is not the way to enjoy a rejuvenating soak in your hot tub or spa. That’s where a hot tub Ozonator may save money and provide refreshing clean water with fewer chemicals. 

Ozone is energized oxygen and has the ability to kill bacteria and contaminants without using strong chemicals. While oxygen is O2, having two oxygen atoms, and keeps us alive as we breathe it in, ozone is O3, and the third oxygen atom gives it powerful properties.

When added to the water in your hot tub, ozone removes impurities and reduces the chemicals needed to keep the tub sanitary. A hot tub Ozonator is a device used to create ozone and inject the gas into your tub’s water.

This guide will discuss what an Ozonator does, hot tub Ozonator pros and cons, whether an Ozonator is safe for your hot tub, hot tub Ozonator maintenance, and hot tub ionizers versus Ozonators. [toc]

What Does An Ozonator Do?

Ozonator for hot tubsSee this hot tub Ozonator at Amazon [sponsored link]

In order to make O3, an Ozonator splits oxygen molecules, O2, into separate free atoms of oxygen using ultraviolet (UV) light or a corona discharge (CD) unit. The now free oxygen molecules collide with oxygen in the water and bond creating O3, or ozone.

The Ozonator dispenses ozone gas into hot tub water, which attaches to dirt, grime, and contaminants in the water, such as lotions, soaps, makeup, sunscreen, dead skin, and bodily fluids.

Ozone also works with regular hot tub sanitizers such as chlorine and bromine to kill bacteria, germs, and viruses. It has the ability to break down unwanted chemicals and cause them to clump together and become trapped by the hot tub’s filter. The result is supposed to provide cleaner, clear water for a healthier and moisturizing soak. 

Hot Tub Ozonator Pros

Beautiful outdoor area with wood deck, hot tub, and ozonatorThere are quite a few pros when using a powerful hot tub Ozonator, making it a worthwhile investment. It not only cleans your spa water, but it also saves money, allows the use of fewer chemicals, and provides a natural solution to sanitize the hot tub water. 

Ozone’s cleansing properties allow fewer chemicals and sanitizer to be used in hot tubs, up to 25% less, saving money and reducing harsh cleaners

Fewer chemicals and sanitizers also mean a safer, more comfortable soak for people with chemical sensitivities and allergies

Ozone reduces odors from harsh chemicals

Ozone works well with bromine, chlorine, and lithium

Ozone prevents calcium in the water from chelating, which conditions the water and prevents calcium buildup in the equipment

The hot tub water can be left for more extended periods due to the efficiency of the Ozonator, saving water and money. This can apply to the different hot tub sizes and the amount of water in them as well.

Ozone is a powerful oxidizer and is up to 100 times stronger than chlorine

Ozone also oxidizes chlorine-resistant water pollutants that may cause serious health issues for humans

Ozonators are simple to maintain and use, and some models are easy to install

Hot Tub Ozonator Cons

Hot tub with water in it and an OzonatorHot tub Ozonators are not without cons, such as ozone’s high reactivity property, which can eat away at the vinyl interior of the hot tub’s cover. Adding a thermal blanket to the hot tub can protect the vinyl and reduce heat and moisture loss. Other cons of a hot tub Ozonator include:

In large amounts, ozone can cause lung irritation leading to coughing, throat irritation, chest discomfort, and temporary lung damage

For hot tubs without a built-in Ozonator, installation can be timely, and not all hot tubs can accommodate an Ozonator

Water infused with ozone only remains ozonated for 12 hours meaning the Ozonator has to be run frequently 

Frequent Ozonator use means replacing the Ozonator almost every three years

When installing an Ozonator, the hot tub must be drained and filled with clean water, which is approximately 400 gallons. This is also the same predicament for homeowners who use this device for large swimming pool sizes.

Are Spa Ozonators Safe

Outdoor area with hot tub Ozonator, and various hedge plantsOzonators produce ozone, an oxidizer, and disinfectant that’s safe for spas. The ozone produced leaves no chemicals behind and dissolves into the water with no adverse effects on bathers.

Ozone doesn’t contribute to air pollution, and the amount of ozone created by an Ozonator is minute and as safe as the ozone in the atmosphere. However, it’s important not to breathe in concentrated ozone gas. 

Ozone Hot Tub Maintenance

Outdoor area with wood deck, hot tub Ozonator, and hedge plantsMaintaining a hot tub Ozonator is quick and easy. There are three checks users can perform to be sure the Ozonator is working correctly and remains working. 

Ensure the Ozonator is generating ozone by using a test kit that includes ozone test strips or a meter

Keep watch for interruptions of the ozone delivery system by observing the injector

Do regular inspections of the check valve, which prevents backflow, to be sure there are no leaks

Hot Tub Ionizer Vs. Ozonator

Ionizer for hot tubsSee this hot tub ionizer at Amazon [sponsored link]

Ozonators and ionizers both clean hot tub water but not 100%. They still need to be supplemented with some chemicals and sanitizers. Ionizers work by causing an atom or molecule to lose one electron by using an electrical charge.

The remaining particles are called ions. Hot tub ionizers create ions derived from metals such as silver, copper, or zinc. The metals are ionized and singular atoms are released into the spa water. These ions kill bacteria immediately upon contact. 

Ionization for killing germs is not a new process, and silver was used as far back as ancient times for purification. Like an Ozonator, hot tub water ionizers significantly reduce the need for chemicals to keep the water clean. 

Overall, an Ozonator or ionizer is an excellent addition to any hot tub; it’s a natural cleaning device, economical, saves money from reducing chemicals needed, is long-lasting, and is a healthier solution for your hot tub. Enjoy a soak in fresh, soft water by installing a hot tub Ozonator or purchasing a hot tub with an Ozonator built-in.

See more related content in our article about salt water hot tub pros and cons on this page.

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