9 best spa ozonators

Spa ozonators are components related to maintaining water quality and cleanliness in hot tubs and spas.They fall under the category of parts and accessories for pools, hot tubs, and outdoor recreational spaces.

  1. Functionality: A spa ozonator is designed to introduce ozone into the water of a hot tub or spa. Ozone (O3) is a powerful oxidizing agent that helps eliminate bacteria, viruses, algae, and other contaminants present in the water.

  2. Ozone Generation: Spa ozonators typically generate ozone by passing oxygen (O2) through an electric discharge or corona discharge. This process converts oxygen molecules into ozone molecules, which are then injected into the hot tub or spa water.

  3. Water Purification: Ozone, being a potent oxidizer, breaks down organic matter and disinfects the water, ensuring it remains clean and safe for bathers. It helps reduce the need for traditional chemical sanitizers like chlorine or bromine.

  4. Benefits:

    • Efficiency: Ozone is a highly effective disinfectant, requiring less chemical usage compared to traditional sanitizers.
    • Odor Reduction: Ozone helps eliminate unpleasant odors associated with chlorinated water.
    • Minimized Residue: Ozone breaks down into oxygen and does not leave behind residues or byproducts that can be harmful.
    • Environmentally Friendly: Ozone is a natural gas that reverts to oxygen after disinfecting, making it an environmentally friendly option.
  5. Installation and Maintenance: Spa ozonators are typically installed in the hot tub's plumbing system, where they can effectively inject ozone into the water. Regular maintenance is essential to ensure optimal performance, including monitoring ozone levels and replacing ozone-generating elements as needed.

  6. Compatibility: When considering a spa ozonator, it's important to ensure compatibility with the specific hot tub or spa model. Different systems may have varying requirements regarding the ozonator's capacity and installation.

Spa ozonators play a crucial role in maintaining water quality, promoting a more enjoyable and hygienic spa or hot tub experience for users. It's advisable to follow manufacturer guidelines and recommendations for proper usage and maintenance of spa ozonators.

Below you can find our editor's choice of the best spa ozonators on the market
  

Clarathon HCD-55 Spa Ozonator Kit: Hi-Output Ozone Generator for Hot Tubs & Swim Spas - Universal: 120V / 240V

Based on 20 reviews Check latest price

Product description

Clarathon HCD-55 High Output Hot Tub Ozonator Kit sets the standard for ozone generators. Latest CD technology for years of trouble-free service life. For spas & swim spas up to 1500 gallons. Universal Voltage: 120V/240V. Includes 6 ft. Tubing, Check Valve, Hose Clamps, power cord with AMP-4 prong connector, and complete installation instructions. 55mg/hr ozone. 100-240VAC autosensing. UL listed. 1yr. factory warranty.

  • Premium Ozone Generator for all hot tubs & swim spas up to 1500 gallons
  • Latest CD Technology: High ozone output: 55 mg/hour
  • Best replacement for all spa ozonator brands & OEM ozone generators
  • Universal Voltage: autosensing 120V / 240V
  • Kit includes: Ozonator, 6' tubing, check valve, hose clamps, power cord & AMP-4 plug

User questions & answers

Question: Can this Ozonator be easily plugged into a house type 120vac plug socket? w ground protection
Answer: To my understanding there is nothing that states that. How would it matter if ear buds were energy star certified? They are great earbuds. I really like the marshmallow buds very comfortable.
Question: Can it be wired to a 110v power with a 12v inverter
Answer: No. They are just basic earbuds with no mic, or song selector.
Question: What is the estimated lifespan for this ozonator? Is it overkill for a 350 gallon hot tub
Answer: yes, it comes w three sizes: small medium and large
Question: Can this be used with a intex 28481e simple spa 77in x 26in 4-person outdoor portable inflatable round heated hot tub spa with 100 bubble jets, filter
Answer: No, I've never had a pair of these with a volume slider

UltraPure 1106523 EUV3 UV 115V/230V Spa Ozone Generator With AMP Cord

Based on 28 reviews Check latest price

User questions & answers

Question: How do I know if this will work on my spa
Answer: yes it does. I have a Jacuzzi and it hooked up to the injector line just like the old one just make sure it is configured to the same voltage. either 110v or 220v.
Question: Is there a timer available to limit the amount of daily run time, since it will be wired inside the spa, fed by a single GFI plug
Answer: It has a minimum of 300 mg/h of ozone concentration release for high-quality water cleaning using the high powered latest technology in ozone release.
Question: I see the package dimensions, which incidently is pretty much useless information. What are the actual dimensions of the unit? Thanks in advance
Answer: I dought if it will work !! Suggest you get one designed for ponds !!
Question: I do not find data, or any manuf site, only retailers copying same description. Where can I find data and specs to make buy decision
Answer: I'm wondering the same thing! Mine quit in only a few months!

DEL Ozone MCD-50U-12 Hot Tub and Spa Ozonator for Water Sanitation

DEL Ozone

Based on 49 reviews Check latest price

Product description

The DEL Ozone MCD-50 Ozonator is a high output system designed to sanitize hot tubs up to 1,000 gallons. A premium ozonator, the MCD-50 uses Corona Discharge ozone for eco-friendly spa sanitization, built to dramatically reduce chemical use. Made with a ceramic exterior for improved corrosion resistance and durability, the MCD-50 mounts to the interior wall of portable spas and hot tubs and includes a handy LED indicator for ozone generator operation. This model is a 115/220V and has a 50 mg per

  • Keeps the water in your spa fresh and clean using the high output sanitizing system
  • Will save you money on chemicals, eliminate odors, and features easy installation
  • Mounts to the interior wall of your spa
  • Comes complete with Ozone generator, Ozone supply tubing, check valve, mounting screws, installation manual, and a water chemistry guide
  • For spas up to 1,000 gallons

User questions & answers

Question: does it come with a cord and an AMP or do I need to use the old cord
Answer: It has a small window on the side of the case where you can see if the uv light is on. Very obvious. Mine works great. Made a huge difference in spa water quality.
Question: Does this come with amp plug bc reviews said it did not
Answer: For most applications this unit would be powered by your spa pack. Therefore, your spa pack would control when the lamp is operating. Some spa packs would run the lamp continuously while others may allow you to run the lamp only when a pump is operating. Refer to the spa pack manual to review your options. Lastly, a word of caution. Spa packs usually operate at 230V or 115V so opening one is very dangerous. If you are not qualified, get an electrician or spa technician to do this for you.
Question: What is the expected life of this unit
Answer: 9" long x 4" tall x 3" wide. This is a small unit suitable for a spa.
Question: how do ypu know it is working
Answer: Not sure where you can find spec but I am happy with my purchase. This is a nice little until. RB

Universal Spa/Hot Tub Ozone Generator

Smart Spa Supply

Based on 78 reviews Check latest price

Product description

Spa & hot tub replacement Corona discharge (CD) ozone. Dual voltage can be used as 110V or 230V. Electric: 85-250 vac, 50/60Hz. Amp plug. 6W ozone output. How to tell if it’s time to replace your ozone generator: figuring out for yourself If your ozonator needs replacement is not as simple as you might expect. Some people will tell you to look for an “on” light or “check for bubbles” &, for sure, These checks may help you determine if the ozonator is on, but it doesn't necessarily tell you if the ozone generator is producing ozone. A spa ozone generator may keep running long after it expires (stops producing adequate ozone) so you will need to look at other factors besides just power to the ozonator. Ask yourself: does your water look & feel like new? With a working ozonator & the proper chemical Balance, It should. Do you find yourself continually upping the amount of chemicals you use in an attempt to fix your water quality? This is typical of spas that need an ozone generator replacement. Are you having trouble balancing your water chemistry? Adding chemicals may just add to the problem. Check your ozonator. Have you replaced your spa ozonator in the past 3 years? If not, It’s likely your ozonator is expired. Ozone generators typically last 3 years. Now what? The smart spa CD oozonator is perfect for the do-it-your selfer & Super easy to install.

  • Dual voltage can be used as 110V or 230V.
  • Corona discharge
  • Amp plug.

User questions & answers

Question: Does It work for a Jacuzzi hot tub
Answer: You can get the 30 second ozone test kit from UltraPure, but if the light is not on, it’s probably not working. When my Ozone generators go bad, I find it difficult to maintain clear water.
Question: Hello. What is the ozone concentration in mg/hr
Answer: Hello...great question! Most of the time, you will need to purchase an injector (venturi) separately. They are NOT included because they are rarely purchased for aftermarket ozone installations (ozone usually comes with the tub, and so does the injector). The white Mazzei Injector is the most common, DEL part number 9-0472. They run less than $40. Hope that helps! Good luck with the install. Jen, love your hot tub dot com
Question: Would this ozone generator be effective for an outdoor backyard pond with only plants and no fish
Answer: Hello, the unit is actually 4.9"W x 3.4"H x 2.3"D. That is the smallest unit out there (that I know of). And I haven't had anyone tell me it does not fit...hopefully you have 4.9"W space, not just 4". Jen
Question: How do you get parts for this, mine quit after warenty(2 1/2 years
Answer: Old question, but still applicable, so I will jump in and say the "most current model" you refer to is the older style with a CD Ozone Chip inside, which was replaceable. The NEW NEW style has a "U" in the part number which stands for Universal Voltage and Hertz. You no longer need to know if you have 120V, 240V, 50Hz or 60Hz which is awesome on many levels. The Universal models are called Spa Eclipse NEXT GENERATION and they do not have a replaceable CD Ozone Chip inside. Rather, they have the most modern ozone technology by DEL Ozone called APG Ozone Technology. Unfortunately, in this U model, the APG Ozone Module is NOT REPLACEABLE. Great question. Thank you, Jen.

Hot Spring Watkins Replacement Spas Freshwater III Ozone System Complete, 72602

Hot Spring

Based on 53 reviews Check latest price

Product description

What's included: Newly designed and more compact Freshwater 3 High Output Ozone System w/ Direct Connect Power Cord, Injector, Ozone Resistant Tubing & Check Valve. Description: Newly designed FreshWater III CD Ozonator effortlessly replaces the older FreshWater II High Output ozonator taking up half the space while packing twice the punch. Never had an ozonator you say? This will be the last ozonator you'll ever need. Our Freshwater III CD Ozonator produces ozone differently than the typical ultraviolet style ozonators found today. Our corona discharge method of ozone generation will crank out a higher concentration (PPM) of ozone and that concentration level won't decrease over the years like the ultraviolet style ozonators. Easy to install, the new Freshwater III CD Ozonator's bubbles will give your spa water that "rain fresh" fragrance. Installs in all 1995-forward Hot Spring, Tiger River and Limelight spa models. Installation time is about 45 minutes. Power Consumption: 8 watts, .21AMP. Note: If you have a pre 1997 Hot Spring or Tiger River, the ozonators were most often hard wired into the circulating pumps power cord. Note#2: For just the ozone unit without the injector, tubing and check valve see item# 73831. old ref 35078

  • Item 72602
  • What's included: Newly designed and more compact Freshwater 3 High Output Ozone System w/ Direct Connect Power Cord, Injector, Ozone Resistant Tubing & Check Valve.
  • Installs in all 1995-forward Hot Spring, Tiger River and Limelight spa models
  • Installation time is about 45 minutes. Power Consumption: 8 watts, .21AMP.
  • Our Freshwater III CD Ozonator produces ozone differently than the typical ultraviolet style ozonators found today. Our corona discharge method of ozone generation will crank out a higher concentration (PPM) of ozone and that concentration level won't decrease over the years like the ultraviolet style ozonators. Easy to install, the new Freshwater III CD Ozonator's bubbles will give your spa water that "rain fresh" fragrance.

User questions & answers

Question: Will this work in a hot springs jetsetter
Answer: No. It is meant to be plugged into the hot tub circuit board so it cycles on and off with the pump.
Question: I have a 1993 prodigy will it work
Answer: Not sure what you are after. The ozinator is 110:/220 compatible. Should hook directly to your spa main board.
Question: How long will it last? Are these used to replace adding all chlorine and other chemicals
Answer: Don't know Not over kill
Question: What is the life time expectancy of this unit? (if tub is used almost daily by one person
Answer: Not familiar with your specific spa but this ozonator is 120/220 compatible. It has 3 wires, black (hot), white (neutral), and green (ground). The discharge tubing is adequately long, and it comes with the check valve. Go for it. Mount it high and be sure to loop the tubing. Works Fine as a replacement on my Tiger Rivet Spa.

Zodiac W20750 Nature2 SPA Stick Mineral Sanitizer

Nature2

Based on 3 reviews Check latest price

Product description

The Natural Alternative to Chlorine (and Bromine too! ) Product Features: Lasts four months. Makes spas easy to manage. Improves performance of ozone-equipped spas. Assures an odor-free spa. Significantly improves look & feel of water. Simplifies water balance — it's unaffected by heat. Specifications: Capacity: for spas up to 500 gallons. Run time: minimum 4 hours daily. Flow rate: works with all spa flow rates Installation: Drops into the core of most spa filters works with suction-side and pressure-side filters.

From the Manufacturer

Nature2's patented technology uses minerals to destroy bacteria for up to four months in portable spas. This process of reducing bacteria also decreases the amount of harsh chemicals used to keep your spa water balanced. In fact, using by the Nature2 Spa Stick with Cense Spa Oxidizer, you can eliminate the use of chlorine or bromine completely!

  • chlorineEco-friendly way to keep your spa free from harmful bacteria
  • Reduces need for harsh chemicals; less skin irritation
  • Works with chlorine or Cense

User questions & answers

Question: How does this mount in a horizontal filter
Answer: Ozone ionizers don't filter dust, certainly not fine dust. Ionization changes the dust molecules to make them approx. 10x heavier so they fall to the ground and hence are more easily swept or vacuumed up (as elsewhere described on this webpage). If you need dust removed from your household air, best to get a HEPA purifier such as Honeywell's. Their filters are harder and more expensive to find these days. My favorite HEPA purifiers are made by WINIX. Their filters are not cheap either, but they are more cost effective than Honeywell's. You use fewer of them and they seem to last longer. Don't expect a HEPA filter to last a full year despite what the manufacturer recommends. If you need HEPA and have allergies, replacing more often is essential to your breathing health, so no longer than 6 months per HEPA. More often the more you are sensitive. The charcoal filters replace ad libitum if you want an burst of charcoal cleansing of the air. The units the a screen pre-filter are easier to maintain, by vacuuming or wiping away the gross dust particles. The charcoal filters are only mildly dirty as a result. Eventually the HEPA filter becomes visibly soiled with charcoal particles moreso than dirt and dust. Many allergens are not visible to the eye even though trapped by the HEPA filter, and some are even smaller than 0.3 microns and so pass through the filter over and over. Nevertheless HEPA technology dating from the 1940s is still the best affordable air filtration available. Swiss mega-HEPA claims to be 100x more filtrations and their filters cost $200 each. However, in my experience as mold collectors they begin to fail after 30 days or less making their cost prohibitive to maintain by other than the very wealthy. If you have mold sensitivity, much of what makes you sick cannot be smelled, they are mycotoxins that are even smaller than .003 micron particles the Swiss machines filter out. It has not been proven definitively either that the Molekule high-end air purifier neutralizes or destroys mycotoxins, which are anathema to mold sufferers.
Question: This was offered with the intex inflatable spa but doesn't fit filter. why is it offered with the spa? is there a mineral filter that does fit
Answer: On low OK, no problems.
Question: Our current Pro Clear Sanitizier is blue and twists onto the the top of the filter. This one is yellow with different top. Can we use this one
Answer: Sure you can, I have 2 cats and a dog. Note that this unit is an O3 generator and works much better in a room with good air quality - remember, no O2 no O3.
Question: How much chlorine do you use with this? Do not like the chlorine if I don't have to use it I will be happy or an alternative. Our tub is 140 gallons. Thank you
Answer: maybe. o-zone thing

Product features

Effective Mineral Sanitization

Mineral process uses silver ions to destroy bacteria and algae.

Minerals like silver and copper have long been known for their sanitizing, antimicrobial properties. Nature2 SPA uses these proven ingredients in conjunction with your spa's filtration system to create clean, clear water. Our mineral process delivers trace amounts of silver and copper automatically into your spa water for continuous sanitizing and healthier pH levels.

Uses Less Chlorine or Bromine

Nature-friendly Spa Sanitization:

Nature2 SPA is perfect for spa owners looking for an nature-friendly, low maintenance alternative to heavy chlorine or bromine to keep their spa clean and free of harmful bacteria and viruses. Using an EPA-approved mineral bed technology to effectively kill bacteria safely and effortlessly, Nature2 SPA reduces bromine and chlorine usage by up to 50% in most spas — so you won't feel, smell, or be affected by harsh chemicals.

Combine with Nature2 Cense for a complete spa sanitizing solution with 0 ppm chlorine or bromine* plus the added benefit of aromatherapy.

*Nature2 Spa is 0 ppm chlorine or bromine only when combined with an MPS like CENSE.

Easy To Use

Installs in seconds:

Simply drop the Nature2 SPA stick into your spa's filter and forget about it for up to four months! Nature2 SPA will keep your spa sparkling clean and smelling great – even in-between use.

Hassle-Free

Stays out of sight and won't stain your spa:

Nature2 SPA works with your existing filter to give you clean, clear, sparkling water. You won’t see it, but you'll notice a big difference.

Hot Spring Spas Freshwater Ag+ Continuous Silver Ion Sanitizer 71325 - 2 Pack

Hot Spring Spas

Based on 305 reviews Check latest price

Product description

This "mineral sanitizer" introduces silver ions into the spa water, inhibiting bacterial growth. It is designed to suspend inside of the filter standpipe on all 1990 to current Hot Spring, 1992-current Tiger River, all Limelight models, 1998 forward Hot Spot and all Solana spa models. This continuous silver ionizer cartridge will charge the water one time and that "charged" water will last for four months. Two year shelf life when kept in a dry place.

  • Item 71325 x 2 (Package of two)
  • This "mineral sanitizer" introduces silver ions into the spa water, inhibiting bacterial growth. It is designed to suspend inside of the filter standpipe on all 1990 to current Hot Spring, 1992-current Tiger River, all Limelight models, 1998 forward Hot Spot and all Solana spa models.
  • This continuous silver ionizer cartridge will charge the water one time and that "charged" water will last for four months
  • Two year shelf life when kept in a dry place.

User questions & answers

Question: Is this for all hot spring spas or only those rated as ionic
Answer: All hot spring spas
Question: Anyone use for a Caldera Spa
Answer: I don’t know the shape Of your filters. I also have hot springs spa
Question: what is the difference between what's in this and whats in the @ease mineral cartridge? Someone said the @ease cartridge had silver in it already
Answer: they both have silver ion in them, it's all in which one you order. they are basically the same and I have found they work the same
Question: Will this cartridge screw into the underside of the Jacuzzi filter cap so that the cartridge stays inside the center of the filter at the top
Answer: Yes. This is designed to attach on the inside of Jacuzzi brand filter cartridges with the Freshwater Ag+ adaptor.
Question: The mcd installation manual does not indicate if electrical polarity is required. which color wire goes to positive power
Answer: 2 Wire - Black negative, White positive.

Prozone Water Products PZ1 220V Ozone System, 8" by 3-1/2" by 3", Silver

Based on 25 reviews Check latest price

Product description

PZ1 220 VAC spa ozone generator for portable spas up to 800 gallons features our patented Corona Hybrid Arc Tube, solid state ballast, and standard installation kit. Prozone patented Corona Hybrid Arc Tube harnesses the high ozone concentrations of Corona Discharge generators while maintaining the simplicity and reliability of VUV technology. Rugged, functional housing made of heavy extruded aluminum for durability; translucent end caps glow when system is on. Replaces PZ3X24 and comparable to Water Quality Management, Balboa, DelZone, Consumer Engineering, and Waterway. Low cost, low maintenance operation Warranty - 2 years Compatible with all major spa brands Easily retrofit table to existing spas 220 VAC 50/60 Hz Connection: Amp Plug Ozone Purity: 100%, no nitrogen byproducts Arc Life (nominal): 20,000 hours. Operating Temperature: +25 Degree F to +120 Degree F Weight: 3 lbs. Dimensions: 8"W x 31/2"D x 3"H.

  • PZ1 220 VAC ozone system for portable spas up to 800 gallons features our patented Corona Hybrid Arc Tube, solid state ballast, and installation kit
  • Rugged, functional housing made of heavy extruded aluminum for durability; translucent end caps glow when system is on
  • 220 VAC 50/60 Hz Connection: Amp Plug Ozone Purity: 100% no nitrogen byproducts Arc Life (nominal): 20,000 hours Operating Temperature: +25 Degree F to +120 Degree F
  • Install kit includes 1/4"ozone check valve, hose, hose clamps, and mounting screws
  • Weight: 3 lbs. Dimensions: 8"W x 31/2"D x 3"H Warranty - 2 years
  • This is an aftermarket of generic part

User questions & answers

Question: Does this come with a J&J type electrical plug connector
Answer: Please see the comments under those poor ratings. They’re reviewed by people who did not bother reading the description, which clearly indicates that these strips are ONLY to be used with eXact Micro (professional grade) meters.
Question: What is included in the installation kit? Is there a specific AC plug included
Answer: No, it's to measure in a fluid. All of the tests for their eXact photometers are for liquid testing. See their website http://www.sensafe.com for info
Question: Hello, please says me how much produce ozone of this device per hour or per day
Answer: Dear customer, Yes, it will. Our ozone generator which quickly eliminates peculiar smell and mould, cigarette smell, cigar smell, pet smell, paint smell, food damage and other air irritants, help to eliminate and delay the growth of mould and fungus. Best Regards komaes
Question: Is the UV bulb replaceable
Answer: It comes out the front panel. the airflow will come out towards the control panel, as the fan on the back of the unit will push the ozone out and help spread to the treated area.

Del Ozone MCD-50U-13 MCD-50 High Output CD Spa Ozone Generator

DEL Ozone

Based on 20 reviews Check latest price

Product description

Swimming pools can be the focal point of some serious fun. We provide a wide selection of pool supplies and spa products means less time and effort maintaining and more time enjoying the good life. Buy our products and let the fun begin. Features-Spa Mini JJ Cord CD High Output Ozonator-Specifications-Voltage: 120-240V-

  • Del Industries Ozonator
  • Dimension: 8.6 Inch Height x 6.1 Inch Width x 2.8 Inch Depth
  • Frequency Rating: 60 Hz
  • Includes: J&J Mini Plug
  • Voltage Rating: 120/240 V

User questions & answers

Question: Does it hotwire or does it have a plug
Answer: I’ve had two go bad apparently by over heating. Now I am trying to extend inlet outside of tub by adding a tube where filter is. The company’s customer service is helpful..
Question: Does this come with tubing and check valve
Answer: Put the Black wire where the brown one is, and the White wire where the Blue one is. The new ozone does not need a ground wire
Question: Does it have a internal air pump
Answer: Yes
Question: Can you provide a picture of the included spa mini jj cord
Answer: Yes. It has everything you need to install it. It took me 5 minutes to take off the side of my hot tub and about 2 minutes to put the new unit in. The existing valve and tubing in mine looked to be in good shape so I didn't bother changing it out. If you do, that looks simple as well.

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