The 5 Best Hot Tub Chemicals 2023 Reviews & Buying Guide

Being an owner of a hot tub, you want to make sure the water in your spa is always clean, safe, and free of any germs. It helps you keep it more inviting and enjoy that swim without worrying about your health and safety. To achieve this, you need to make sure you maintain well-balanced water chemistry in your at-home spa.

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To keep your hot tub or spa in optimal working condition means you need to check the chemical and mineral levels in the water regularly. You need to add the right chemicals to maintain the ideal water chemistry, pH, alkalinity, and hardness of the water. It helps you ensure that the water is clean, clear, soft, and free from any potentially harmful bacteria or fungus so you can soak in it and enjoy the hydrotherapy to your satisfaction.

Properly balanced water chemistry in the hot tub also prevents the possibility of corrosion, calcium buildup, the formation of foam, foul-smelling odors, and any other problems that can affect the longevity of your hot tub.

If you are not sure what the perfect spa chemicals are, we have you covered. We created this article to help you find the most outstanding products you can use to keep the water chemistry of your spa, hot tub, or jacuzzi completely optimal. We reviewed our top picks for the spa chemicals, as well as provided a buying guide that can help you determine the treatment you might want to use to adequately manage the water in your spa.

Now that we have a list of our top picks for spa chemicals you can buy in 2023, we are going to take a closer look at each product. The reviews in this section below will help you get a better idea about what each of the spa chemicals offers you for your hot tub’s pool chemistry.

A Spa Bright and Clear by Leisure Time


If you are facing constant problems with your spa water becoming too cloudy and foamy, you are not alone. Most products we use to deal with the algae infestation or other contaminants in the hot tub can work well but cause the water to become too cloudy and gross for use. That is when products like this come in. Leisure Time’s A Spa Bright and Clear is an ideal product to help homeowners keep their hot tub water crystal clear and clean.

The product effectively removes all the residue from other products after they are done removing the contaminants from your hot tub. It also eliminates any soap, sweat, cosmetics, and other particles that can be left behind in the water once you use the hot tub. It causes all the contaminating particles to bundle up so that the spa’s filtration system can clear it all out effectively. The product works well with any sanitizer products you might use to clean your hot tub up.

Chlorinating Tablets for Pool and Spa by Kem Tek


Kem Tek is another major brand that produces efficient solutions for homeowners to help them keep their spas and swimming pools in optimal condition. The Chlorinating Tablets for Pools and Spas by Kem Tek make a worthy addition to the list of the top spa chemicals you can buy in 2023 for their incredible effectiveness. The product comes in variants of 4-pounds, 15-pounds, and 24-pounds to give you the option of choosing the quantity based on how much you might need.

Ideally, the 4-pound package might be enough for use in hot tubs and spas to prevent the formation and infestation of algae. These are unstable chlorine tablets, and we recommend that you use gloves while you are handling the product. Its instability allows the product to crumble and perform a fast job of cleaning up the water in your hot tub efficiently. Its effects last for a long time. This product is one of the most straightforward means of chlorinating your hot tub, and it can help you keep any above ground swimming pool in excellent condition as well.

See also: Our List of Most Recommended Hot Tubs; Reviews of 2 Person Hot Tubs

Bromine Tablets by Leisure Time


The Bromine Tablets by Leisure Time are another effective solution for hot tub owners who want to keep the water chemistry in balance. Using this sanitizer in your hot tub will completely eliminate the need for you to add any more bromine or chlorine separately. This product can help you keep your spa bacteria and fungus-free for up to four months at a time.

It is an effective and versatile solution that works with any spa and swimming pool. The eco-friendly mineral purification by Leisure Time’s Bromine Tablets helps you maintain a healthier and cleaner spa, ensuring your spa’s filter system works more efficiently by removing all the algae.

You can use this product to give a shock treatment for your spa without the need to use chlorine. Many homeowners do not want to wait for several days after giving their hot tubs a shock treatment. For that reason, this can be a favorite for many people. In terms of effectiveness for shock treatment, however, we feel that this product cannot perform a harsh enough job on its own.

Xtra Blue Chlorinating Granules by Clorox Pool & Spa


Clorox Pool & Spa is a significant brand name when it comes to accessories that help hot tub owners keep their spas clear, sparkly, and safe for use for a long time. The Xtra Blue Chlorinating Granules by Clorox Pool & Spa will help you get the kind of protection you need for the water in your hot tub. A single pound of this product can help you effectively treat up to 53,000 gallons of water, making it one of the most effective products we have seen in terms of value for money.

It is an easy-to-use chlorinating product to use since all you need to do is add it to the spa water in recommended dosages, and it will continue to keep the water clean for a long time. This is a versatile product that you can use to keep your spa clean. It also works wonderfully well for your swimming pool and helps you resolve major algae problems. It is a cost-effective solution to help you keep your hot tub clean, but it is not something we would recommend for covered hot tubs. Some customers have reported that the chlorinator leaves a white residue on the edges of the water.

More for your hot tub: Good-quality steps for hot tub; Finest SPA vacuums

Chlorinating Granules for Spa and Hot Tubs by Leisure Time


The Chlorinating Granules for Spa and Hot Tubs by Leisure Time is an ideal product to finish the list of the good-quality spa chemicals you can buy in 2023. This is one of the most effective solutions on the market for giving the water in your hot tub a shock treatment and keeping it clean. It is a product that dissolves rapidly in your hot tub, making it easy to use.

The chlorinating granules do not impact the pH levels of the water in your hot tub, allowing you to keep it in balance. It efficiently kills off all the bacteria, as well as most other inseparable contaminants in the water. If you need to give your hot tub a super chlorine treatment, 1 oz of this product is adequate to help you with shock treatment in a pool with 500 gallons of water. Ideally, you should refrain from using the spa for 10 to 15 days after using this for a shock treatment.

This product is compatible with all types of hot tubs and spas. Its versatility allows you to use it for both regular maintenance if you use it in low recommended doses, and it serves as an excellent tool for shock treatment in case the spa is severely affected by germs. While we do not like the fact that it takes a while to clean the spa for effective shock treatment, it can help you keep your water safe for use once it has done its job.

Buying Guide for the Best Spa Chemicals in 2023

As you can see from the reviews above, there are several types of spa chemicals available in the market. Let’s take a look at the different types of chemicals and the role they can play in your spa’s water chemistry:

  • Chlorine: Chlorine is fantastic for shock treatments of water. It can easily prevent the formation of cloudy water in the hot tub if you use it along with mineral sanitizer.
  • Bromide: Bromide helps you ensure consistent sanitization of the water in your hot tub. They come in the form of tablets, and you need to insert one in the bromide feeder for your spa.
  • Mineral Sanitizer: Using silver and copper ion technology, mineral sanitizers are an eco-friendly chemical you can add to get an odorless solution to keep your spa clean.

Quick Tips and Tricks to Balance Water Chemistry in Your Spa

Use a strip that measures pH and alkalinity to check the sanitizer levels in your hot tub. It is recommended that chlorine and bromine be used in granules or pills, such as the ones discussed here. If you’re wondering how much of a certain chemical to put into the water of your home spa, it’s best to check the instructions. Each product comes with instructions on how much to use, so you can maintain the ideal chemistry of your spa water.

It is usually a good idea to read evaluations of the chemicals before deciding to buy them for your spa. You can learn more about what to expect from a product by reading about the experiences of people who have tried and tested the product before you.

You should follow the suggestions in the manual for the product you purchased to balance the water chemistry in your spa to ensure proper sanitation. Seek medical advice on how to cope with any unwanted side effects of a spa product if you discover them.

Final Thoughts

Keeping track of the water chemistry in the spa and using the right chemicals to keep it all in check is essential to the experience of a hot tub. Using the correct combination can help you make sure you get longer-lasting water sanitization in the spa and a spa you can enjoy for years to come.

We hope that between the product reviews and the buying guide, you will be able to pick out the ideal combination of spa chemicals for your hot tub. Cheers, and enjoy!

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