Are you looking for the best spa chemicals for hot tub water? If YES, here are 15 best spa chemicals for hot tub water in 2022. If you are looking towards opening and equipping a standard spa, one of the major supplies that can’t be found missing in your spa parlor are chemicals for a hot tub. Rendering services in your spa require that you make use of reliable and body-friendly spa chemicals.

There are different types of spa chemicals or sanitizers used in pool and spa environments. Considering the number of options in the market, shopping for the best spa chemicals for your hot tub can be challenging and time-consuming. In no particular order, here are 15 of the best spa chemicals for hot tub water that you can get today.

What is the Best Spa Chemical for Hot Tub Water in 2022?

  1. Spa Essentials 32305000 Brominating Tablets

Spa Essentials Brominating Tablets are a spa and hot tub sanitizer. These compressed 1-inch bromine tablets provide long-lasting sanitizing protection. This is a hard-working product that will kill and control bacteria – resulting in water that’s a pleasure to soak in. Spa Essentials brand chemicals are the easiest to use reach and maintain beautiful spa water.

The reason why Spa Essentials Brominating Tablets should be on your bucket list is that the product ensures long-lasting protection of the spa water by controlling the bacteria within effectively. Those who are sensitive to sanitization can switch to this process by using it with the help of a floating feeder.

  1. Oxy-Spa- Non-Chlorine Hot Tub & Pool MPS

Oxy-Spa- Non-Chlorine Hot Tub & Pool MPS is one spa chemical that you should consider buying for your hot tub. This is because the presence of oxygen makes the product one of the most effective shock treatments you can ever implement on your bathtub. This unsurpassed quality enables it to outperform other brands in this range.

So also, the granular form of the spa water ensures that the water is clean and without a glitch. The only visible glitch in the product is the quantity of chemicals which accounts for only 70% of the total package. The convenient packaging of 2 bottles, ensures optimal cleaning and it is available in granule form.

  1. Kem-Tek 177 1-Inch Chlorinating Tablets for Pool and Spa

Another best spa chemical for a hot tub that you should consider is Kem-Tek 177 1-Inch Chlorinating Tablets for Pool and Spa. Kem-Tek 177-6 1-Inch Chlorinating Tablets is part of the Chem Lab easy 5 Step 5 Color DIY pool maintenance program.

Most people are of the opinion that Kem-Tek 177 1-Inch Chlorinating Tablets for Pool and Spa is the most convenient effective and easiest form of pool chlorination, slow dissolving and concentrated for long-lasting sanitation, stabilized to reduce chlorine loss to the sun’s UV rays, maintains strong and steady chlorine residual and manufactured to resist crumbling.

  1. SpaGuard Spa Enhanced Shock

SpaGuard Spa Enhanced Shock is yet another best spa chemical for a hot tub that you should consider buying. It is a non-chlorine spa or hot tub oxidizer, quick dissolving shock treatment, will not raise spas chlorine residual and destroys organic contaminants

Interestingly, SpaGuard Spa Enhanced Shock can be used with chlorinated or brominated spas or hot tubs. The shock oxidizer saves you from the use of additional chemicals, as it removes odor without forming white fungus later. Good enough, with SpaGuard Spa Enhanced Shock you don’t need to use additional chemicals for the product. The users are free from issues such as white fungus and the product is cost-effective.

  1. 2-Pack Oxy-Spa Oxidizing Shock

2-Pack Oxy-Spa Oxidizing Shock is another very potent spa chemical for hot tubs that eliminates soluble organic undesirable compounds and irritants in spa water and is buffered to prevent pH bounce. Regular use helps maintain clear spa or hot tub water.

This product comes with the highest concentration of active oxygen, which makes it work quite impressively. The non-chlorine oxidizing shock helps in eliminating residual soaps, natural oils, and deodorants from hot tub water. Compared to other hot tub chemicals on the list, you can use the pool or bathtub several minutes after treating the water. People have complained of the color of water turning gray after several uses.

Please note you allows immediate use of the product after treatment, and it is capable of getting rid of lotion, perspiration, and cosmetic residue. Has the highest concentration of oxygen in this list, this adds more potency to the product

  1. SpaGuard Enhanced Shock

If you are looking for a hot tub chemical that can shock, clarify and work as a pH buffer, then you have hit the jackpot with the SpaGuard Enhanced Shock. The product dissolves quickly and is capable of delivering results in as little as 15 minutes.

You can use SpaGuard Enhanced Shock with your brominated spas to get rid of unpleasant odors. You will notice the results in the form of the restoration of the water sparkle within minutes. However, users need to avoid using the spa too soon after using the hot tub chemicals, as it may lead to burning eyes.

Interestingly, SpaGuard Enhanced Shock is multipurpose and has four functions, takes only 15 minutes for the SpyGuard to start working, and is suitable for use with both bromine and chlorine spas.

  1. Leisure Time Spa Shock Oxidizer

Another best spa chemical that you should consider for your hot tub is Leisure Time Spa Shock Oxidizer. Leisure Time Replenish combines the power of MPS with chlorine to shock, oxidize, buffer and clarify spa water. It is ideal for spas with mineral systems and is compatible with chlorine and bromine sanitizers.

For most spas with normal bathing loads, this product should be added after every use, and once each week for maintenance, at a dose of 1–1½ ounces per 300 gallons of spa water. Each 1 ounce dose of this product will raise the free chlorine concentration by about 2 ppm in 300 gallons of spa water.

More frequent and/or heavier doses may be required during periods of extremely heavy use. Test chlorine level prior to re-entry to make sure the residual concentration in the spa is between 3 and 5 ppm. Reentry is prohibited above levels of 5 ppm chlorine due to the risk of bodily injury.

Please note that the replenish from Leisure Time is a 4-in-1 blend that combines the power of Oxone with chlorine to shock, oxidize, buffer, and clarify spa water. Ideal for spas with mineral systems, this hot tub chemical is compatible with chlorine and bromine sanitizers.

Replenish is completely soluble, dissolves quickly, and keeps spa water clear and inviting. For most spas with normal bathing loads, replenishment should be added after every use and once each week for maintenance.

  1. In The Swim Pool Bromine Tablets

In The Swim Bromine Tablets are for pool and spa owners and swimmers who prefer not to use chlorine to sanitize their pool or spa. Bromine provides an ideal alternative to chlorine. In The Swim Bromine Tablets are designed to kill germs, bacteria, and prevent algae growth.

They work at any pH level and provide superior sanitation in pools and spas where temperature and bather load fluctuate. Bromine has no chlorine odor and is less irritating than chlorine to the eyes and skin. In The Swim pool and spa bromine tablets are a pre-stabilized chemical comprised of 61% bromine and 27% chlorine.

No pool water conditioner is needed, which saves you money and enhances your pool enjoyment. These 1-inch tablets are wrapped in groups of about 53-60 to meet DOT regulations. Wrapped tablets produce less off-gassing and have a longer shelf life.

  1. Hot Tub Spa Bromine Tablets

Hot Tub Spa Bromine Tablets is a highly effective sanitizer for your spa or hot tub. Hot Tub Spa Bromine Tablets do not require the use of a stabilizer and the product does not produce the chlorine odor associated with other sanitizers. These bromine tablets are very effective and help in yielding the best results when it comes to killing germs and bacteria.

The tablets keep your pool and spa clean and tidy by completely disinfecting the pool. The tablets dissolve very slowly; by taking their time during the dissolving process, the tablets ensure that an appropriate amount of bromine is in the water. 6 tablets per feeder in the water are enough to keep your tub clean and tidy for a month.

  1. Spa Choice Brominating Sanitizer Tabs

Spa Choice Bromine Tabs fit in most spa feeders and floaters to continuously sanitize your spa or hot tub. Bromine is a powerful and effective sanitizer like chlorine, but it is odorless and less irritating to your skin and eyes. Spa Choice bromine tabs are “pre-stabilized,” so your water is silky smooth without using a stabilizer or conditioner.

Please note that users must wear chemical-resistant gloves while placing the tablet in the spas. Before initially using this product in your spa or hot tub you will need to add 1/2 oz. of sodium bromide for every 100 gallons of water.

The same treatment must be followed each time you drain and refill your spa or hot tub with fresh water. Introduce 3 tablets per 300 gallons of spa water with the use of a floating tablet feeder or automatic brominator installed on the spa equipment. Adjust tablet feeder or brominator to obtain an active bromine residual of at least 2 ppm.

You can maintain your spa by adding 3 tablets per 300 gallons every 5-7 days or as needed to maintain an active bromine residual of 2 ppm at all times. Spa water has a tendency to foam and cloud; this is directly proportional to the amount of spa use.

Cloudiness is due to the accumulation of body fats, oils, and contaminants too small for the filtration equipment to remove, and is linked to a rapid escalation of total dissolved solids in the water. To a great extent, defoamers, clarifiers, as well as shock treatments, demineralizes, or sequestering agents can be used to clear the water. When water clarification cannot be achieved, drain, clean, and refill the spa.

  1. Leisure Time 45430A Brom Tabs Bromine Cleanser for Spas

Leisure Time Brom Tabs is a form of brominating hydantoin for spas and hot tubs. It is easily used in spa floaters fFor routine sanitation. When used as directed, Leisure Time Brom Tabs will disinfect spa and hot tub water, keeping it clean, clear, and free of odor.

The low-odor, low-dust tabs fit all floaters to help your hot tub water stay sanitized and ready to use. Leisure Time Tabs Bromine Tablets help clean your hot tub or pool with the effectiveness of chlorine without the chlorine odor. An ideal pool chemical to keep with your spa care supplies throughout the season, these bromine tablets for hot tubs will let you relax in your spa over and over.

  1. Spa Essentials 32130000 Granules

Spa Essentials Chlorinating Concentrate is a spa and hot tub sanitizer that you should add to your bucket list of spa chemicals for your hot tub. Customers prefer this product because it is a fast-acting granular stabilized chlorinator that acts as a sanitizer and an oxidizer.

This is a hard-working product that will kill and control bacteria – resulting in water that’s a pleasure to soak in. The chlorinating granules, in addition to working as a sanitizer, also serve the purpose of an oxidant.

This not only saves you from the hassle of choosing and buying multiple products but also saves you precious money. The perfectly stable chlorinating impact makes these granules stand out from those of the other products in this compilation. The granules not only clean the pool but also make it soothing for the human skin.

  1. SpaChoice 472-3-5081 Chlorine Granules

Spa Choice Sanitizing Granules are designed to dissolve quickly and completely hence it is very effective in hot tubs. Chlorine granules provide a steady source of available chlorine to spa water to control algae growth, kill bacteria and destroy organic contaminants. Spa choice chlorine granules are stabilized to protect against ultraviolet radiation from the sun, increasing the life of your chlorine.

To use this product, you would need to broadcast the product evenly over a wide area in the deepest part of the spa with water circulating. It is recommended that spas and hot tubs be drained every 30-90 days. More often under heavy use.

Consult manufacturer’s recommendations concerning the compatibility of chlorine sanitizers with their equipment. Some oils, lotions, fragrances, and cleaners may cause foaming or cloudy water and may react with chlorine sanitizers to reduce their efficacy.

  1. Clorox Pool and Spa 23006CLXCA

Clorox Pool and Spa 23006CLXCA is a highly effective sanitizer for your spa or hot tub. Clorox spa brominating tablets do not require the use of a stabilizer and the product does not produce the chlorine odor associated with other sanitizers.

This Clorox pool and spa granules dissolve super-fast and helps in removing all types of impurities and contaminants from the water. The sanitizer is also used for providing shock treatment too, the chemical leaves the pool germ and bacteria-free while preserving the calming blue color.

One good thing about Clorox Pool and Spa 23006CLXCA is that the minute particles responsible for chlorinating are well protected against the scorching beams of sun and work equally well in salt and chlorine pools and hot tubs. Therefore, if your spa is becoming a hub for all kinds of bad odor and irritating elements, this super cleaning agent is the product you need.

  1. Leisure Time Spa Sanitizer Spa 56 Chlorinating Granules (3033A)

Specially formulated for spas and hot tubs, this concentrated granular chlorine effectively sanitizes and shocks hot water to help keep it clean and clear. Easily kill bacteria and algae while offering a steady source of chlorine to your pool with the Leisure Time Spa 56 Chlorinating Granules, a must have for spa supplies.

Stabilized against UV radiation, these pool and hot tub chemicals dissolve quickly and completely in your pool. Easy to apply and used for routine sanitation, this Leisure Time spa cleaner is can also be used as a shock treatment, is almost pH neutral, and doesn’t upset the balance of chemicals in your water.

Leisure Time Spa Sanitizer Spa 56 Chlorinating Granules (3033A) is both economical and powerful enough for the toughest jobs. Within Leisure Time’s wide selection of products, they offer everything from algaecides and deposit control formulas to non-chlorine shock treatments, powerful surface cleaners, clarifiers, enzyme-based cleaners, and more.

In Conclusion;

Adjusting and balancing your pool or spa water chemistry ensures that you will get the most out of the swimming season which is why you must make the right choice of spa chemicals. The benefit of having good pH and alkalinity levels is that it will increase the ability of your main sanitizer to kill bacteria.

Balanced pool and hot tub water chemistry will also reduce chemical and maintenance costs. Balanced pH and alkalinity help prevent corrosion and scale formation on the interior pool, hot tub surface and surrounding equipment.

Frequently Asked Questions

  1. Which Chemical Is Best For Your Hot Tub Or Spa?

iONRx is the best chemical to use. It can be used with all kinds of hot tubs. It is completely non-corrosive and is the safest chemical to use in your hot tub-even inflatable hot tubs. With this, no more shock, bromine, enzymes, stain and scale–all of that is eliminated.

  1. What Would Cause The Water To To Turn Green?

During the mid-summer, many water-bodies turn green due to the growth of small microscopic plants in the water called algae. This algae grow in all bodies of water when light and nutrients levels are sufficient. The more phosphorus present, the more abundant algae become and the greener the water gets.

  1. How To Store Hot Tub Chemicals?

Consider the following ways on how you can possibly store hot tub chemicals;

  • Store at the right temperature
  • Store in a good storage environment
  • Make sure your your Supplies are well secured
  • Organization tips are necessary
  1. Do Hot Tubs Need Chemicals?

Yes! Regular hot tub maintenance will help ensure that your spa is clean and clear for relaxing. Moreover, all owners still need to put chemicals in the water as part of regular hot tub maintenance.

  1. What Hot Tub Chemicals Do You Need?

Calcium
Defoamer
Sanitizer
Non-Chlorine Shock
Sequestering Agent
pH increaser and a pH decreaser

  1. How To Balance Hot Tub Levels?

To balance hot tub levels, add a pH increaser to bring the levels back to normal. It is also important to monitor the total alkalinity levels as the pH increaser will raise the TA level. Then, keep retesting the water to ensure the water is balanced.

7. What Does Hot Tub Maintenance Really Look Like?

While your hot tub will become your very own oasis, it’s imperative that you take time to keep it maintained if you want to keep it in the same condition it was in when you made the initial investment. It just requires a basic understanding of water chemistry and a simple schedule, but it is not expensive. All you really need is some chemicals and testing supplies which is about a $20 per month investment.

  1. Can You Use A Hot Tub Without Chemicals?

Using your hot tub without chemicals could turn the water green within a matter of hours, and can pose a huge safety risk to the users.

  1. How To Set Up a Hot Tub?

The following are the steps on how to set up a hot tub;

  • Run the pump
  • Prime the pump
  • Rinse and drain
  • Fill your hot tub
  • Turn off all power
  • Clean the empty hot tub
  • Add the start-up chemicals
  • Install and clean the filter
  1. How Do You Balance Your Hot Tub Water?

While there are many different levels to measure within your hot tub, you can consider these three most important levels to keeping your water chemistry balanced, Total Alkalinity, pH and calcium hardness.

  1. How Much Chlorine Do You Put In A Hot Tub?

In a hot tub, a chlorine level of between 3 to 5mg/l must be maintained in your hot tub at all times. Addition of chlorine will depend upon usage and bathing habits. It could be daily or every 2 to 3 days (for 1mg/l add 2g per 1000 litres).

  1. Should You Use Bromine In A Jet Spa?

The bromine floater that gets loaded up with tablets and left to sit in your tub won’t be favorable to you. Once it kills bacteria in the water, it can then proceed to eat your hot tub shell, cause a lot of pH balancing problems, skin and eye irritation, and more. Over exposure to bromine can cause hypothyroidism.

13. How Soon Can You Use A Hot Tub After Adding Chemicals?

You don’t use a hot tub right after you add chemicals. You should wait at least 2 hours before using the hot tub again. The chemicals need time to work their magic and sanitize the water. Also, a higher concentration of chlorine is best because you will need to add chemicals less often.

14. Can Your Dog Use The Hot Tub?

No! Hot tubs are really dangerous for dogs. Dogs can also suffer an extreme reaction through inhaling treated hot tub water into their lungs.

15. What Causes Foamy Hot Tub Water?

Hot tub foam may be caused by leaves and other debris decomposing in your hot tub. Cloudy water or hot tub foam. A bad chemical balance can also cause hot tub foam. Cloudy and foamy water may also indicate that your hot tub pH balance is off.

16. How Often Should you Shock Your Hot Tub?

The general rule of thumb is to shock your hot tub at least once a week.

Joy Nwokoro