Top 10 Best Chlorine Tablets for Swimming Pools in 2022 Reviews

If not well taken care of and cleaned, the swimming pool can be a breeding ground and haven for pathogens, bacteria and waterborne diseases. That can cause a pandemic especially this summer season when there is increased traffic to the swimming pool.

That is why you need to care of your swimming pool by using one of these top 10 best chlorine tablets for swimming pools in 2022. These tablets contain active ingredients that break down contaminants in your swimming pool ensuring water clarity and preventing the transmission of infectious waterborne diseases.

10. E-Z Pool All in One Pool Care Solution (Regular 5 lb)

Best Chlorine Tablets for Swimming Pools 10. Norweco Blue Crystal Residential Disinfecting Tablets 10lb - Septic Tank Chlorine Tablets

These tablets are specifically formulated and U.S.E.P.A approved for residential wastewater treatment. They provide rapid disinfection and reduce bacteria by 99% within 10 minutes of contact.

Moreover, these tablets maintain continuous disinfection through a slow-release and intermittent flow. They also promote stable PH levels that discourage growth of algae and bacteria.

9. Clorox Xtra Blue 40 Pound 80 Tab Pool and Spa 3 Inch Long Lasting Chlorinating Tablets

Best Chlorine Tablets for Swimming Pools 9. Clorox Xtra Blue 40 Pound 80 Tab Pool and Spa 3 Inch Long Lasting Chlorinating Tablets

The Clorox Xtra Blue chlorinating tablets work are formulated to work in 6 ways to ensure your swimming pool is clean and free of bacteria. These include; preventing scaling and corrosion of the swimming pool, making the water smooth and clear, killing bacteria and pathogens in the swimming pool and preventing the growth of algae.

These tablets also contain a stabilizing agent to protect them from sunlight and thereby provide continuous disinfection.

8. HTH 42044 Ultimate 3″ Tablets Swimming Pool Chlorine, 8 lbs

Best Chlorine Tablets for Swimming Pools 8. Pool Mate 1-1405M All-in-1 Swimming Pool 3-Inch Chlorinating Tablets, 5-Pound

These chlorinating tablets work to sanitize and clarify the water in swimming pools. They also work as stain inhibitors, descale and prevent the growth of algae. Moreover, they are slow dissolving and stabilized to provide continuous and dependable disinfection to make your swimming pool pathogen and bacteria free.

Depending on the condition of your pool, you can use 1 to 3 tablets for every 10,000 gallons of water every week.

7. Mini Floating Chlorine Dispenser for 1-inch Tablets by SplashTech

Best Chlorine Tablets for Swimming Pools 7. Mini Floating Chlorine Dispenser for 1-inch Tablets by SplashTech

This chlorine dispenser is ideal for spas and 1,000 gallon swimming pools. It safely and conveniently diffuses the chemical tablet into your swimming pool water intermittently to provide continuous disinfection.

This dispenser is easy to use as you only need to fill it with your choice of disinfectant, lock it up and let it float to provide disinfection and kill pathogens ad bacteria as you have fun in your pool.

6. HTH 42034 Super 3″ Chlorinating Tablets for Swimming Pools, 25 lbs

Best Chlorine Tablets for Swimming Pools 6. GLB Pool & Spa Products GLB 71250A 1-Inch Chlorine Sanitizing Tablets, 2-Pound, Small

This is a slow-release ½ ounce tablet which provides chlorination and swimming pool sanitation. It is EPA registered and ideal for use in skimmers, feeders and floaters.

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Furthermore, this tablet contains 89% stabilized chlorine to offer continuous and effective sanitation ensuring your pool is clean, clear and free of bacteria, algae and pathogens.

5. CLOROX Pool&Spa XtraBlue 3-Inch Long Lasting Chlorinating Tablets, 5-Pound Chlorine

Best Chlorine Tablets for Swimming Pools 5. Kem-Tek 2815-6 Chlorinating Tablets 1-Inch Pool and Spa Chemicals, 1.5-Pound

The CLOROX chlorinating tablets can be used on every pool for sanitization purposes. They are concentrated and slow dissolving to offer continuous and long lasting sanitation and maintain steady and strong chlorine residual.

These tablets kill bacteria and other pathogens, clarify your swimming pool water, descale and prevent the growth of algae. Additionally, they are stabilized to ensure they remain active for longer even in the presence of UV rays from the sun.

4. CLOROX Pool & Spa 22005CLXW Active99 3″ Chlorinating Tablets

Best Chlorine Tablets for Swimming Pools 1. CLOROX Pool & Spa 22005CLXW Active99 3

Containing active disinfecting agents, these chlorinating tablets work to sanitize, kill bacteria and prevent algae growth in swimming pools. They are ideal for use in floaters, skimmers or feeders to offer effective and continuous disinfection.

Additionally, these tablets are UV-stabilized and slow dissolving to ensure they are active for longer.

3. HTH 42043 Super 3″ Chlorinating Tablets Swimming Pool Chlorine, 8 lbs

Best Chlorine Tablets for Swimming Pools 4. Rx Clear 1-Inch Stabilized Chlorine Tablets

Formulated for use in any pool or spa, 1 tablet is used for every 10,000 gallons of water weekly for pool disinfection and sanitation. The tablets are added to the pool’s skim and dissolve slowly with your pool’s pump ensuring even distribution.

They are stabilized against the sun’s UV rays and are effective in killing bacteria and pathogens, ensuring water clarity and preventing the growth of algae.

2. HTH 42042 Super 3″ Chlorinating Tablets Swimming Pool Chlorine, 5 lbs

Best Chlorine Tablets for Swimming Pools 3. Nava chlorine large tablets - 25lbs - 3

These chlorinating tablets work instantly killing germs and bacteria in your swimming pool on contact. They are concentrated and slow dissolving to ensure continuous and effective disinfection. Furthermore, these tablets are UV stabilized, remaining active even after coming in contact with the sun’s UV rays.

1. Clorox Pool&Spa XtraBlue 3″ Long Lasting Chlorinating Tablets 35 lb

Best Chlorine Tablets for Swimming Pools 2. In The Swim 3 Inch Pool Chlorine Tablets 25 lbs.

These tablets are powerful and UV stabilized to offer continuous and effective swimming pool disinfection. They are also concentrated and slow dissolving which makes them active for longer ensuring your swimming pool is clean, clear and free of bacteria and any other contaminants.

With these top 10 best chlorine tablets for swimming pools, your family can enjoy and have fun in the water without any worry. They are effective in disinfecting and sanitizing swimming pools ensuring there are no bacteria, algae or pathogens in your water.

Moreover, they are concentrated, slow-dissolving and UV stabilized to ensure they offer up to a week of active disinfection making them cost effective. Their single tablet packaging also makes them ideal for use in pools of various sizes depending on the water volumes eliminating excessive use.

How does chlorine work?

First of all, you have to know the importance of using chlorine.

There are other sanitizers that get the job done, but none do it as well as good ol’ inexpensive chlorine.

Chlorine works because of a chemical reaction that takes place once it comes in contact with microorganisms and bacteria.

It breaks down into several different chemicals like hypochlorous acid (HOCI) that kills those unwanted pests by destructuring the cells that create them.

The process is called oxidation, which is why some pool owners add more oxidizer to the water when using chemicals that don’t do the job well.

Chlorine only does its job, however, if all the other pool chemistry levels are balanced.

  • pH: 7.4 – 7.6
  • Chlorine: 1.0 – 3.0 ppm
  • Total alkalinity: 80 – 140 ppm
  • Calcium hardness: 200 – 400 
  • Cyanuric acid: 25 – 50 ppm

Types of chlorine

First of all, let’s explore some of the science-y basics of chlorine.

The different types of chlorine are: lithium hypochlorite, trichlor, dichlor, sodium hypochlorite, and calcium hypochlorite.

And each of them serves its own purpose, although most people just pick up whatever is available at the local pool store and call it good.

Most of the time, that’s probably okay, but in some instances, one is better than another.

For example, if you happen to have hard water where you live (or water with high calcium hardness), sodium hypochlorite works best because it contains only about 10-12% chlorine.

This usually has to be used with additional sanitizer, however, to be effective at killing algae or other bacteria.

Calcium hypochlorite, or cal-hypo, is the most commonly used chlorine for pools because it is safe and easy to use. It is also very effective, containing about 65% chlorine.

That is except for trichlor and dichlor, which are are concentrations of chlorine that contain cyanuric acid (CYA).

CYA is what’s known as a conditioner or pool stabilizer because it protects the chlorine molecules from being destroyed too quickly by the sun.

Most chlorine tablets you can buy are trichlor tablets, which are effective for most all water types.

Why tablets?

But why tablets?

Most of the time, pool-owners who use tablets instead of liquid or granular chlorine are simply doing it for the convenience.

Instead of having to measure anything out, you just need to know your pool size and drop the tablets in.

One 3-inch tablet will sanitize about 5,000 gallons of water. So if you have a 20,000 gallon pool, two tablets will do the trick.

There is also the factor of safer handling.

Liquid chlorine can be somewhat dangerous to handle if you’re not careful, causing skin burns or irritation.

But tablets are pretty safe to handle and in fact, are usually individually wrapped so they don’t have to touch your skin.

They also don’t pose the same spill risk as liquid, making them easier and safer to store.

Shopping tips

If you decide to go with chlorine tablets as your choice of sanitizing methods, be sure to read the reviews of the product you choose.

While there may not be a whole lot of difference in the chemicals they contain, some are just made with better methods and won’t crumble during shipping.

They come in one or three inch tablets and it doesn’t matter which size you choose as long as you read the instructions and administer the right amounts.

Some people prefer the larger tablets because they’re a little easier to handle, especially if you will be adding them directly to the skimmer.

But some prefer the smaller ones for automatic dispensers because you can fit more in them.

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