If you want to have a great hot tub experience, it is important to keep the water in your spa sanitized. Sanitizing kills bacteria that grow in warm water. Learning about and purchasing proper sanitizers for your Best Hot Tub Sanitizer is a must.

Sanitizers are usually made up of one or more of the following chemicals: chlorine, bromine and biguanide. There are other supplemental purifiers, but to sanitize the water, you need to use one of the three chemicals mentioned above.

Best Hot Tub Sanitizer Reviews

1. SpaChoice 472-3-5081 Chlorine Granules for Spas

Spa Choice 472-3-5081 Sanitizing Granules Hot Tub Chlorine 5-Pounds, 1-Pack
  • Dissolves Quickly and Completely
  • Stabilized Spa Chlorine
  • 56% Available Chlorine
  • Controls Algae
  • Kills Bacteria

This five pound tub of chlorine granules will keep you supplied for a while. The Spa Choice Chlorine Granules for Hot Tubs and Spas (472-3-5081) completely and quickly dissolves in water.  It is a stabilized spa chlorine containing 56% chlorine. It controls algae, kills bacteria, and destroys organic contaminants. The workability of chlorine is extended as the granules are stabilized to protect against the ultraviolet radiation.

Several customers mentioned that they thought the size of the granules are a good value for the price. They also mention that it does not come with a scoop making it a little difficult to open the lid.  Otherwise, it does work as advertised.

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2. Spa Essentials 32362000 Brominating Concentrate Granules for Spas

Spa Essentials 32362000 Brominating Concentrate Granules for Spas and Hot Tubs, 2-Pound , White
  • One step fast dissolving brominating granules
  • May be added directly to spa, no pre-dissolving needed
  • Brand: Spa Essentials
  • Item Weight: 2.0 lbs

There are four packaging sizes that this product comes in: 1, 2, 4 or 12 packs for your convenience. According to the manufacturer, you do not need any other product besides the Spa Essentials to treat your hot tub as it acts as a sanitizer and an oxidizer.

You do not have to dissolve the granules before placing them in your spa, they may be added directly to the water. This product is designed to control and kill bacteria. The formula contains 82.5% sodium dichloro-s-triazinetrione, and 14.7% sodium bromide.

Users of this product say that they have been using this product for over ten years. Using this product is easy as you just put one tablespoon of the granules into the hot tub and turn on the cleaning cycle for ten minutes. Customers have been able to turn around a very bad problem with algae in their hot tub by using this product. Spa Essentials items work where other products do not.

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3. Leisure Time Spa Sanitizer Free Sanitizing System

Leisure Time Spa Sanitizer Free Sanitizing System (45500A)
  • Compatible with the Leisure Time Free sanitizing system or biguanide sanitizing systems
  • Test your spa water with Leisure Time Spa and Hot Tub Test Strips regularly and keep Leisure Time Free sanitizer levels between 30 - 50 ppm at all times
  • For more than 25 years, Leisure Time has been the premier name in spa water care
  • Compatible with the leisure time simple spa care products
  • Gentle on eyes, hair, and skin

Leisure Time sells the 16 ounce product in three different packaging sizes: one pack, four pack, and 12 pack. It comes in a liquid form. The company has been manufacturing pool and spa chemicals for over 25 years and claim that they have been the premier name in water care for spas.

The product is compatible with other spa care products that they manufacture and sell. Nearly odor free, the product is gentle on skin, hair, and eyes. Leisure Time recommends testing your hot tub with test strips first to put the right amounts of chemicals.

The sanitizer is 100% bromine and chlorine free, and should control bacteria longer than those two chemicals. The manufacturer claims this product is safer to use and store than other hot tub sanitizing chemicals, and cab be used weekly.

Users like this product better than using chlorine which leaves an unpleasant smell and strange residue on their swim suits.

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There are many factors to consider when you need to purchase a hot tub sanitizer. You should look at your hot tub manufacturer suggestions for using particular chemicals. Depending on the area where you live, you may have hard or soft water which needs to be taken into account when selecting products. If you have skin sensitivity issues, it is important to use chemicals that will not irritate skin.