Best Pool Chlorine Tablets for Your Swimming Pool 2022

It is not the case that we have to purify the drinking water only, not the water that touches our body. The same importance falls on it. Pool water also needs to be cleaned to make it microbe-free, that is Best Pool Chlorine Tablet.

There are thousands of the microscopic organisms that the pool water is affected with. The germs may come from our own body, skin, may come from an outdoor environment, the wind and many more. These cause harm to us, including the kids of low immunity that tends to a variety of skin problems and stomach problems. Best Pool chlorine tablets are the optimum factor in providing purity.

The peculiar medicine that you smell and the different tastes of water that you feel,  is the result of chlorine tablet. It helps to kill the bacteria, protozoa and viruses in the pool contaminated water that is unseen.

It also helps to remove the algae or corrosion from the ladder or pool floor that gradually depreciates the pool if not treated regularly. The blemish on the floor or wall is also prevented, and the odor of pool water is replaced with a pleasant smell too.

Now the matter of concern is that which brands are suitable for the best pool chlorine tablets?

There is plenty of chlorine tablets, and these are all somewhat seems to be alike. So you have to be careful to choose the tablets for your pool because this is the main ingredient that keeps the pool germ free.

What are Chlorine Tablets?

Chlorine tablets are made of chlorine in the form of round tablets. Using the chlorine concrete ball is easy to use in the pool. You just put the tablets in the pool water and wait to see how the ph level is balanced with the chlorine.

After the throwing of the tablets, the element chlorine is mixed with the pool water, and thus it spreads out in the whole pool. The elements inside the tablets help to balance the ph level of the water and defeat the bacteria and any other germs in the water.

There are two types of chlorine tablets

Stabilized Chlorine Tablet: In this case, Tablet’s activity depends on the sunlight; the more exposure to the sun, the better. So Stabilized tablets are used in the outdoor pool. In fact, in the outdoor pool, it works best.

Unstabilized Chlorine Tablets: The tablets do not have any accelerating effect in terms of sun rays. So the indoor pool is the best for using this type of unstabilized tabs. In reality, the power of it reduces in the touch of sun rays.

Benefits of Best Pool Chlorine Tablets

Effortless Use

The use of chlorine tablets is straightforward. You don’t have to make any extra effort to add this to the pool. If these are individually wrapped, then unwrap those. After that, with the help of feeder or floater, you can put those in the pool water. These dissolve slowly in the water and with the floater spread in the whole pool water.

Good Packaging

Chlorine tablets come within excellent packages where good preservation can be done. You don’t have to buy the tablets frequently and go with those tablets in the whole season. Sometimes some breakages could occur, but these would not create any quality problem.

Easy Spread

You don’t have to spread the tablets manually in the pool water. Just use a dispenser, and the tablets would automatically float with the dispenser and mix with the water.

Easy Measurement

Every Tablet is measured as the time of its manufacturing process, and you can get the measurement in the label of the package. Before using the tablets, test the pool water and according to its pick right amount of total chlorine tablets. You don’t have to measure those in another way after purchase.

Flexible Usage

You can add the chlorine tablets in all types of the pool like small or large, in-ground or above-ground, fibreglass or vinyl according to the size of the tablets and ingredients.

How Chlorine Tablets Work to Make the Pool Safe

Chlorine has been a crucial part for sanitizing the pool water for long years. As soon as the pool operators have known about this, they are using the chlorine regularly to keep their family and pool users safe. Thus the pool water looks clean too.

When someone adds chlorine in any form, then it releases an acid called hypochlorous acid that is weak but helps to kill waterborne bacteria and keep the user safe. This weak acid is highly effective in the pool to disinfect the pool water.

In a sense actually, hypochlorous acid is indifferently charged acid, it means that it can come to the touch of the negative, harmful bacteria and thus it breaks the bacteria down. This process needs time to go to effect. So you have to take patience to see or feel the changes in the water, and you can check the waiting period in the label of the bottle.

On the other hand, the level of chlorine changes very quickly, so you have to check the level of chlorine frequently. During raining or snowing or in the extreme season the level of chlorine changes. Even if you use chlorine tablets often in the pool water, the level changes too. So you have to check the chlorine level regularly.

Top 10 Best Pool Chlorine Tablets Reviews

We have analyzed the market for the best chlorine tablets of the best performance. Picking some brands among lots of brands available in the market is very tough, but we have made it easy with some criteria and have a bias less analysis for you.

When readers of this site buy through our link, as an Amazon Associate, we earn from qualifying purchases. Therefore this affiliate commission never biased our product recommendation. Our motto is to promote the best products for consumers, through detailed research and market analysis.

10. In The Swim 3 Inch Pool Chlorine Tablets

in the swim pool chlorine tablet

In the swim, chlorine tablets are thicker than other available tablets in the market. The thickness allows the dissolution for a longer period. The 3-inch chlorine tablet of 8 oz is perfect for the floatation in all over the pool. 90 % of the chlorine tablet is stabilized that helps to long-lasting sanitizing power of the pool. So it is best for outdoor pool exposed to more sunlight.

The trichlor tablets help to reduce the bacteria, algae, other harmful orgasms and clear the pool not only externally to be viewed clear, but also internally keep the water safe.

For better treatment, use 1 to 2 chlorine tablets per 10000 gallons of pool water. So, estimate the whole amount of water to apply the correct amount of tablets. It is the rules of daily usage. Before using the tablets, test the water with the help of chlorine tablets to allocate the exact amount.

Always remember after a heavy rainfall, extreme hot and cold temperature and a storm, the pool water becomes more polluted, so increase the dose at that time.

In The Swim 3 Inch Pool Chlorine Tablets


  • The pack is stabilized.
  • It can be used as an automatic chlorinator.
  • It is too thick to long-lasting effect.
  • The individual wrapped bag is easily opened.


  • The wrapping packs are disintegrated.

* One of the popular industry products and stabilized with higher performance in terms of chlorine tablets.*

9. Clorox Pool&Spa Small Pool 1″ Chlorinating Tablets

clorox pool and spa chlorine tablet

Clorox Pool tablet is 1″ thick and can be applied with the highest performance in the small pool. The tablets help to kill the algae and bacteria to make the pool water clean to use. It is made with the highest sanitizing power that can keep your pool water safe from the sun says too.

It may take you a dispenser to work with. You have to put the small tablets in the floater and allow it to float in the pool water without removing the filter. You need the dispenser as the tablets won’t get dissolved before 4 to 5 days.

Additionally, you can use chlorine tablets in hot tubs and spas too. The water of 500 to 5000 gallons is perfect for keeping the water germ free. In fact, a little amount of water is right for this type of tablets to apply the activity.

Clorox Pool&Spa Small Pool 1 Inch Chlorinating Tablets


  • Small pools or hot tubs are perfect for the pool.
  • The protection from sun rays is a good thing for the Clorox tablets.
  • Suitable for algae and other organisms.


  • A little bit expensive for small size
  • Dispense is not included.

* Clorox Pool&Spa is a perfect commercial product for a small pool and spa.*

8. Kem-Tek 2815-6 Chlorinating Tablets

kem tek pool chlorine tablet

Kem-Tek Chlorinating Tablet is preferable for every type of small above ground and pops up pools. It is highly stabilized to a great extent that the quality of the tables will not fade down at the sun UV rays.

The time needed to the dissolution of the tablets to the pool is enough for durable and long-lasting sanitization of the pool. A portion of chlorine is mixed in a reduced time and the remaining in the later consecutive period and regular pattern. The long-term sanitation can help you prevent using an excess amount of tablets to the water.

You can use 3 to 4 tablets in per 3 days in the pool to make it microorganism free. Always try to test the water before applying the tablets and observe the water in terms of heavy rain, storms or snow. The water limit can be 400 to 5000 gallons to use the Kem-Tek chlorine tablets.

Kem-Tek 2815-6 Chlorinating Tablets


  • It is suitable for super chlorination.
  • Every small-sized pool is perfect for the sanitization.
  • Long-lasting effects with slow dissolution.


  • Sometimes it makes the water a little gloomy.

* The Kem-Tek chlorine tablets have the most lasting power of cleaning the pool water of any small or pop up pool.*

7. Doheny’s 3 Inch Swimming Pool Chlorine Tablets

Doheny's pool chlorine tablet

Doheny’s 3 Inch is a fashionable and elegant quality 3-inch tablets which are perfect for the large pool. The effect of the tablets is long-lasting. The harmful UV rays of the sun can not burn the chlorine tablets that are stabilized in 90% rated. It has a 99% effective element that prevents the growth of algae and other microorganisms.

The chlorine tablets take more time like several days, and 2 to 3 tablets are enough for1 month as the weight and inch of the chlorine tablets are higher. These are individually wrapped, and the use of the tablets is easy to apply.

Doheny's 3 Inch Swimming Pool Chlorine Tablets


  • It is locked in the pool water for many days that you don’t have to use other chemicals for sanitizing.
  • Long-lasting effect as it dissolves in a prolonged time.
  • The weight and diameter are more substantial to the economical use in the large pool.


  • It would create a burning sensation in the eyes after immediate treatment.
  • Sometimes the user feels bored when it takes too much longer time to be dissolved.

* If you can afford the budget to purchase chlorine tablets of high diameter and weight for your large pool, then Doheny’s 3 Inch Swimming Pool Chlorine Tablet is the best choice.*

6. Swim Best U009050050 Swimming Pool Chlorine

swim best pool chlorine tablet

Swim Best chlorine tablets are of the highest quality and work best in the larger pool with its available size. The product is available within 50 lb bucket, and the size is 3 -inch like the other tablets fit for large pools.

The major quality of the pool is to keep the pool water disinfected, and it will never fade the pool water. You can use the tablets through floaters, skimmer and dispenser in the pool water as the thickness is high, so it needs more time to dissolve in the water.

The products are highly condensed and effective to use the pool to provide certain benefits. This would stain no minerals in the pool water.

Swim Best U009050050 Swimming Pool Chlorine


  • It is perfect for all-season along; the sun UV rays doesn’t burn the tablets before dissolution.
  • Slow dissolution covers all the side of the pool water for a long time.
  • The tablets can be used for longer time benefitted for the larger size and long-lasting effect.


  • The chlorine tablets are little fragile, so can break easily. So you have to handle this carefully.

* If you want to have the chlorine tablets as all season’s solution, then Swim Best U009050050 is the best.*

5. NAVA Chlorinating Tablets for Swimming Pool/SPA

NAVA Chlorinating Tablets are served in a bucket of 50lbs, and the size of the tablets is 3-inch. The bucket is well-sealed package where you can preserve all the tablets for the whole season. The tablets are stabilized, so the UV harmful rays cannot burn the tablets in any way.

The 3 -inch tablets are much thicker to dissolve within a longer period. In this period, it is useful for disinfection entirely. The tablets can be fit within skimmers, floaters or feeders and using through these is easy to clean the pool.

The dissolution takes much time, so the effect also remains for a longer time to the economic use of the pool cleaning activities. This takes several days to dissolve the ingredients at the water in the pool. Individually wrapped and you have to unpack the tablets very carefully to prevent any harm.

NAVA Chlorinating Tablets for Swimming Pool/SPA


  • The tablets are EVA proved that means proven excellent quality.
  • These tablets are protected from the harmful UV rays of the sun.
  • It dissolves very slowly in the pool water by a long period and leaves a lasting effect of sanitization.


  • It will leave no minerals in the pool water after the cleaning of the water.

* If you want to sanitize your large pool with an excellent quality chlorine tablets in an affordable budget, then NAVA Chlorinating is the best pick for you.*

4. Eco one | OneShock Spa & Swimming Pool Tablets

one shock spa tablet

The Eco one is a premeasured chlorine tablet made primarily in the aim of preventing the exposure of the other shock or chemical treatment to the pool water for various reasons. The tablets are of low-level chlorine ingredients but other active minerals that help to keep the pool water crystal clear.

You just have to put the tablets with a skimmer into the pool, it will make the water bacteria or germs free for a longer time. The low level of chlorine can also prevent the aftereffect of the chlorine.

This chlorine tablets start the clearing cycle very quickly. It works as a variety of factors like disinfectant, stabilizer, sanitizer, residue etc. The tablets are compatible with any types of inground and above ground pool, bathtub, and spa. You can sanitize properly all types of water tanks with Eco One.

Eco one | OneShock Spa & Swimming Pool Tablets


  • It doesn’t leave any granules or any leftover pieces of tablets in the pool water. The tablets dissolve and mix thoroughly with the pool water.
  • It includes a minimum level of chlorine, so no eye irritation or skin irritation occurs while enjoying the pool water.
  • You can use the low chlorine tablets for all types inground or above ground pool.
  • Combo pack of shock and sanitizer.


  • Small sizes and needs more to clean the water like 1 to 2 tablets are enough for just 245 gallons.

* If you want to get a low and premeasured chlorine tablet which is both sanitizer & shock in an affordable price to get the crystal clear water, then Eco one & Swimming Pool Tablets are perfect to use.*

3. Rx Clear 1-Inch Stabilized Chlorine Tablets

rx clear pool chlorine tablet

Rx Clear is high quality and lower price products, but the low budget does not necessarily let you down than other products. It works like magic in small pools. It has 90% of chlorine and dissolves slowly in the pool water. The pump of liquid helps it to distribute to the overall pool water.

The 1-inch size and 5 oz weighted chlorine is individually packaged for the right amount of estimation of the tablets use after the strip test. You may use 7 tablets per 2500 gallons of water by adding those to pool skimmer.

Cyanuric acid is available in the tablets to stabilize the pool water. It helps to reduce the odor of the pool water and provide crystal clear water. Some tablets may break in pieces during transportation or unpacking. But this would not lose any effectiveness to sanitize the pool.

Rx Clear 1-Inch Stabilized Chlorine Tablets


  • The tablets are protected from the harmful UV rays of the sun and do not get burned.
  • The tablets would protect the liner and maintain the color of the liner.
  • Rx Clear contains other chemicals like bactericide, disinfectant and algaecide so that you don’t have to use different chemicals to maintain the pool water.


  • The bag is not sealed. Sometimes the tablets break down during unpacking as all of these are individually packed.
  • These are not good for large pools.

* If you want to have an economical sanitizer but provide the best performance with other chemicals too then Rx Clear 1-Inch Stabilized Chlorine Tablets are best to use.*

2. Pool Brand 3-Inch Swimming Pool Chlorine Tablets

pool brand tablet

Pool brand is a good quality of the product of 3-inch size, which is perfect for a small pool if you have any. This has 90 % chlorine that means high chlorine level. The chemical form of the chlorine is Trichloro-s-triazinetrione 99%.

The tablets have the prevention effect against the harmful sun rays as it has the stabilized effect in the chemical. Sunray cannot burn the tablets. Thus it will increase the effectiveness of the products.

Pool brand tablets are in individually wrapped product and easy to use. Just you have to be careful during unpacking the tablets so that it does not break in pieces. You can mix the tablets with the pool water that there would be no any residuals left in the pool water after sanitizing.

The tablets have a reasonable consistency rate in dissolution and thus make the water clear. This takes no much longer time to dissolve the tablets in the pool water.

Pool Brand 3-Inch Swimming Pool Chlorine Tablets


  • It is easy to open the bucket and get the tablets out. Sometimes you can find some tablets broken, but this does not create any problems at all.
  • The chemical protects the tablets from the harmful rays of the sun.
  • The tablets are very reasonable at a price.
  • The tablets are EPA approved formula.


  • It dissolves in less time that many customers do not like.
  • Through 3 -inch tablet, it does not work well in a larger pool. Then it needs more tablets to use.

* If you want something with a reasonable price with low time dissolution, then Pool Brand 3-Inch Swimming Pool Chlorine Tablets are the best pick for you.*

1. Star Plus 25 lbs Bucket 3″ Swimming Pool/Spa Stabilized Chlorine Tablets

start plus bucket tablets

Star Plus 3 inch jumbo chlorine tablet is available for pools and spas. The tablets are in a bucket of 25 lbs, where there are approximately 50 tablets. These are 90% of chlorine which is of around 99% Trichloro-S-Triazinetrione chemical, which is suitable for pool clearance.

The tablets dissolve slowly that helps to protect the water for a longer time and kill the bacteria, germs and other microorganisms. With the help of the feeder, floater or dispenser, you can put the tablets in the pool water to float and slowly do the acts.

The tablets are protected from the harmful sun rays so that these are not burned and spoiled before the treatment. All the tablets are individually wrapped that are not so tough to open the tablets.

Star Plus 25 lbs Bucket 3


  • Begin the clearance process very quickly.
  • The tablets are easy to unwrap, and the packaging is excellent.
  • The price is reasonable.
  • You will not see any residue left in the pool water.


  • You may have some tablets broken in the bucket.

* If you need the quick cleaning process, high quality and reasonable price then Star Plus 3 inch is the right choice for you.*

When readers of this site buy through our link, as an Amazon Associate, we earn from qualifying purchases. Therefore this affiliate commission never biased our product recommendation. Our motto is to promote the best products for consumers, through detailed research and market analysis.

Buying Guide for Best Pool Chlorine Tablets

Variety of Chlorine Tablets

Initially, there are two types of tablets that includes chlorine. Stabilized and unstabilized chlorine tablets. Usually, we need stabilized tablets that are beneficial for the pool water. Besides the tablet, chlorine is available in the form of sticks too. Sticks are perfect for the outdoor pool, and you can use the tablets in every type of pool.

The capacity of the Tablet

You have to measure the ability of the tablets that how many of these can affect how much of water. With some brands, you can use just 1 to 2 tablets for 10000 gallons and in some 1 to 2 tablets for 5000 gallons or others. All of the instructions would be available with the package.

Size of the Tablets

Usually, the chlorine tablets are of 1 to 3 inch in the market. You can use according to the need for your pool. For a small in-ground pool 1 inch is enough for cleaning the pool and for a large or above ground pool, 3 inches can be used for the highest performance. You should follow the instructions on the label of the bottle or bucket of chlorine tablets.


Lots of variety of components can be available in the chlorine tablets. You have to consider the value of the ingredients and the types of ingredients. After going through the labels, you can have an idea of the elements and the measurement.

Tablet Packaging

A sound packaging system helps to preserve the tablets for a long time. So keep this in mind that the tablets have the sound packaging system so that you won’t have to buy these products frequently.

Percentage of Elements

Check the ingredients of the tablets is full of 90% chlorine or less chlorine. Besides this, chlorine should have 99% triazinetrione element to provide the best performance. You can get all the levels of elements in the bottle or bucket for the help of the users.

Following are the comparisons among all the products discussed above.

Product NameSizeChlorine TypePool Size (Gallons)Dissolution RateUV ProtectionAdditional Features and ProsCons
In The Swim 3 Inch Pool Chlorine Tablets3-inchTrichlorAll sizesLong-lastingYesStabilized, Suitable for outdoor pools, Individual packagingWrapping packs may disintegrate
Clorox Pool&Spa Small Pool 1″ Chlorinating Tablets1-inchTrichlorSmall poolsSlow dissolutionYesEffective against algae and bacteria, Suitable for hot tubsA bit expensive for small size
Kem-Tek 2815-6 Chlorinating Tablets3-inchTrichlorSmall above ground poolsGradual dissolutionYesStable UV protection, Suitable for small pools, Reduced chlorine mixingMay make the water gloomy
Doheny’s 3 Inch Swimming Pool Chlorine Tablets3-inchTrichlorLarge poolsSlow dissolutionYesHighly stabilized, Effective against algae, Individually wrappedMay cause eye irritation
Swim Best U009050050 Swimming Pool Chlorine3-inchTrichlorLarger poolsSlow dissolutionYesSuitable for all-season use, Slow dissolution, EconomicalTablets are a bit fragile
NAVA Chlorinating Tablets for Swimming Pool/SPA3-inchTrichlorSmall to large poolsProlonged dissolutionYesExcellent quality, UV protection, Slow dissolutionLeaves no minerals in the pool
Eco oneOneShock Spa & Swimming Pool Tablets2-inchLow-ChlorineAll pools and hot tubsQuick startNoLow chlorine, Effective as sanitizer and shock, Compatible
Rx Clear 1-Inch Stabilized Chlorine Tablets1-inchTrichlorSmall to medium poolsSlow dissolutionYesHigh-quality, Slow dissolution, Contains stabilizerSome tablets may break during transportation

Frequently Asked Questions for the Best Pool Chlorine Tablets

What is Pick Time for Chlorination?

You can use the chlorine tablets in the evening or night because the activity of the chlorine tablets needs time to be useful to the pool water. On the other side, the sun rays may burn the chlorine as the UV rays are harmful to the chlorine elements. Though the chlorine has a shield against the sun rays according to the quality of the Tablet, the protection is not 100% for the chlorine.

So, ultimately, it is best to use the chlorine tablets in the pool water at the time of evening or night. It assures the best protection and the best performance for the chlorine tablets. But obviously, it is your decision and affordability of time that when to use the chlorine tablets.

How do you add chlorine tablets to a pool?

The best way is to add the chlorines in a floating chlorinator and put the chlorinator in the pool. You can set the chlorinator initially to release the chlorine in the pool water. The chlorinator works along with the existing system of pump & filter and the installation is pretty easy here to go.

The automatic chlorinator is the best because it can assure the even distribution of chlorine in all sides of the pool. The problem is that it is a little expensive for the tasks. But floating chlorinator is reasonable to purchase and use.

How long after putting chlorine in the pool can I swim?

After chlorinating the pool, you cannot immediately dive in the pool. You need to have patience and take time to go on swimming. Usually, it should be 2 to 4 hours to wait after the chlorinating. Additionally, you can check how much chlorine you have used. Based on this amount, you can expect the minimum to the maximum time.

How often should you use chlorine tablets?

It depends on various factors that how much time chlorine will take to dissolve in the water. Another thing is that how many tablets you put to what amount of table. You have to consider too that to which level your pool is now in terms of chlorine or sanitization with the strips. All these factors help you inform how often you can use the tablets in the pool water.

Is it safe to swim in a pool with low chlorine?

When you find the chlorine level of your pool less than 1 ppm, you can think it to be the lowest level to swim in the pool. Any amount between the 2ppm to 3 ppm is safe to swim in the pool. But still, risks occur. You should maintain the chlorine at 5ppm to 7ppm.

How many chlorine tablets do I need for my pool?

You can find every ingredient and level of the tables according to gallons of pool water on the body of the bottle or bucket. So, you may quickly get the amount according to the size and quality of the tablets.

Final Words

Finally, we could be able to take ten best chlorine tablets for you after reviewing lots of chlorine tablets in the market. These all somewhat slightly differ from one another but not a big deal it is. If you can have a big budget, you can go for high prices chlorine tablets that provide the best quality and the most top performance of longer time.

For all the chlorine tablets we stated, you need some supporting materials like floaters or skimmers or dispenser etc. So purchasing those supporting things is also a dependable cause for the highest performance of the pool chlorine tablets. You have to take care of these too. Have safe swimming!!