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Natural Hot Tub Sanitizing Treatment

Reduce ‘chemical smell’ to zero and say goodbye to itchy skin, rashes, sneezing coughing, and breathing in harmful chemicals. iONRx is easy to use and nice on the skin. Created because my daughter has a chlorine allergy. If you have asthma from your hot tub or spa, if you can’t enjoy your hot tub as you’d like, or you just want to take the work out of your hot tub, then iONRx is for you. Soothe aches longer and enjoy your hot tub more. Used commercially by spa professionals, hospitals and sports teams for over a decade and now available for residential spas. 

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The iONRx Advantage

No more burning eyes or itchy skin

You can enjoy your hot tub and not have the sensation of burning eyes. Get out of the water and you will not have the dry, itchy skin caused by chlorine/bromine exposure.

Stabilizes pH

By reducing the use of chemicals and levels of bromine and chlorine in your hot tub, iONRx keeps the pH levels in your water stable.

Safe for Pets and Plants!

When we say harmless, we mean it! Our eco-friendly formula is the best hot tub chemical for sensitive skin and keeps everything you love safe and sound.

Low maintenance

Simply apply iONRx once a week! Compare that to other chlorine and non-chlorine shock tablets that need to be added 5X a week.

Works great in all weather conditions

Our high-temperature formula is not affected by changing weather conditions and is specially formulated for the high temperatures typically used in hot tubs.

Non-Corrosive

You can spend more time relaxing in your hot tub or spa as iONRx reduces the levels of chlorine and eliminates the use of bromine completely. Both are very corrosive and can lead to seals and equipment failing at a much faster pace. If you have an indoor hot tub or swim spa, you will notice that chlorine off-gassing is eliminated which will drastically or completely eliminate corrosion of household components, such as switches and fixtures. Likewise, iONRx is the best hot tub chemical for blowup or inflatable hot tub.

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Did You Know?

  • iONRx is used by municipalities, hospitals and pools across the country.
  • iONRx has been used commercially for over a decade and is now available for residential hot tubs.
  • iONRx has received CAT IV clearance from the EPA, meaning that it is considered as safe as drinking water.
  • Bromine and chlorine can cause asthma, bronchitis, and hair and skin damage.
  • 60% of chemicals that come in contact with your skin will go directly into your bloodstream.
  • Bromine and high levels of chlorine are corrosive to hot tub and spa equipment.
  • When the pH goes higher, which occurs in most hot tubs, chlorine becomes almost totally ineffective.
  • By using Free Ionic Copper in our solution, your spa will stay sanitized longer.


“No eye or skin irritation, no bromine smell, and best of all no need to shower after!”
– Cheri G.

Why Use iONRx?

Because hot tub maintenance shouldn’t mean handling large amounts of harsh, toxic chemicals that affect your health. iONRx is a patented solution that gives you the only non-toxic, water treatment solution that uses a Natural Antibacterial Agent to sanitize your water and reduce the use of toxic chemicals such as of chlorine and bromine in your hot tub by 90%. (We actually recommend never using bromine.)

iONRx has been given CAT IV designation from the EPA for being NON-TOXIC and is considered as safe as drinking water. Plus, since you only have to apply it once a week, iONRx is highly cost-effective compared to other spa chemicals you buy.

Cleaner, safer water without spending a fortune, what’s not to like?

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What is Free Ionic Copper?

Free Ionic Copper is a natural and highly-effective antibacterial agent. Why do they call it “Free?” Because it is not bound to any other elements and is “free” to aggressively seek out and effectively kill a wide variety of bacteria compared to every other form of copper and copper-based product. Since it’s just copper is free of nasty chemicals, you don’t have to worry about your sensitive skin, making it the best hot tub option! Learn more about the what makes iONRx different:

The iONRx Difference


“The water is clearer, the smells are gone, my skin doesn’t itch anymore, and it’s easy!”
– Kim S.

Over 10 Years of Safe Water Treatment

iONRx has been sold commercially for over 10 years to local pool builders and maintenance companies throughout Southwest Florida. In 2016, George and his wife noticed that their daughter had developed hives and was itchy after playing in a hot tub. To prevent the allergic reactions, George altered the AquaCop formula for warm water applications for hot tubs and iONRx was developed!

About iONRx

Our mission is to give you an innovative, natural water treatment product that provides a safe, long-lasting, enjoyable experience every time you get in your hot tub or spa. Our team knows the hassle and time constraints that go into everyday hot tub maintenance, not to mention that the most popular way to do it is to use harmful levels of chlorine and chemicals. iONRx has been used commercially for over a decade but is now available for residential hot tubs.

The problem is that most people are unaware of what they’re putting in their hot tub and don’t think about the consequences. Many people get allergic reactions or other illnesses from excessive chlorine and bromine exposure. Not to mention, high levels of both can cause swimsuits to smell and fade, and cause your skin feels like it’s shrink wrapped every time you get out.

At the end of the day, a hot tub is meant to be relaxing and enjoyable, not dangerous to our health. This is what drove us to create iONRx. We gathered a group of water treatment experts and scientists to create a product that reduces the use of all these toxic chemicals and gives you the peace of mind knowing there is a natural, non-toxic hot tub water treatment product. It’s time you stop wasting your money on hot tub treatment that is toxic to your health and sometimes ineffective! Switch to iONRx, the natural hot tub maintenance solution. True innovation in hot tub treatment has finally arrived!


“The Starter Kit was easy to use and really useful to get my new hot tub up and running.”
– Rosellen G.

Customer Reviews

iONRx Powered by AquaCop

Natural | Eco-Friendly | Low Maintenance | Harmless on Skin and Eyes | Zero Odor

Imagine relaxing in your hot tub without smelling or soaking in harmful chlorine or bromine gas, having your swimsuit smell terrible, or immediately having to shower right after you get out. Worse yet, the itching, sneezing or coughing you can get from bad reactions.

Our patented solution, iONRx is the first natural eco-friendly, non-toxic hot tub sanitizing solution that makes water maintenance easier than ever before. If you are looking for the best chemical for hot tubs, trust in iONRx to keep your spa naturally clean.

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