When you own a swimming pool, it is your primary responsibility to keep the swimming pool clean and the pool water healthy. The primary challenge for the pool owner is to keep the water sparkling and safe to all pool users.
This is the reason why pool owners must use the best chlorine tablets for swimming pools together with the other sanitizers and algaecides to perfectly blend with each other. The result should be a well-maintained swimming pool with the proper chemical composition. Failure to do this will open the possibility of bacteria and other organisms to move and live in the swimming pool.
Buying chlorine tablets for your swimming pool is essential and will bring a lot of benefits in terms of making the pool water safe and healthy for all users. It is responsible for preventing the formation of algae while keeping the walls of the pool free from stains and bad odors.
In this article, we will review the top ten chlorine tablets that you can use for your swimming pool. We will be detailing the pros and cons of each product and the other benefits that you can get when using each chlorine tablets.
10 Best Chlorine Tablets for Swimming Pools Reviews
1. Clorox Pool & Spa Small Pool 1″ Chlorinating Tablets
The first chlorinating tablets that we are going to review takes pride in functioning or working just like other chlorine that can be purchased commercially. I also like the capacity of this product as it can be used for swimming pools with up to 5,000 gallons of pool water.
This chlorine tablet was also made to withstand the effect of the sunlight and will not dissolve easily. You may need a dispenser, a floater, or any material that you can use to carry the tablets while applying in the swimming pool.
While this chlorine tablet was made to prevent algae and kill bacteria in small pools, it can also be used to maintain hot tubs. Economically, this is a good tablet to use because you do not need too much quantity when applied to the swimming pool.
However, one downside about this product is it cannot be use on bigger swimming pools. It is basically designed to be used in small pools and other similar places such as hot tubs or inflatable pools.
- Kills bacteria efficiently
- Can withstand the effect of ultraviolet rays
- Perfect for small pools
- Does not dissolve easily and can last longer
- A little bit pricey
- Cannot be used on larger pools
In terms of effectiveness, this chlorinating tablet prevents algae from growing and kills bacteria with ease. I highly recommend this product for purchase if you are looking for an effective chlorinating tablet to be paired with your sanitizers and algaecides.
2. Clorox Pool & Spa Active99 3″ Chlorinating Tablets
This is another chlorinating tablet coming from Clorox Pool and Spa, one of the leading companies manufacturing pool cleaning equipment and accessories. The product features tablets that are individually wrapped to clean and sanitize your pool water.
I also like how the product is being made to make it last long under the heat of the sun using the so-called UV protection technology. This will ensure that the tablet will stay for a while even under the scorching sunlight to be able to sanitize the pool water.
One more thing that you need to know about this product is its very effective in inground pools. It will not only kill the bacteria found in the pool water but it also controls the algae growth of your pool. Furthermore, these chlorinating tablets can be applied to your pool’s feeder, floater, and skimmer.
Meanwhile, if you want this chlorination tablet to be more effective, an application frequency of twice a week should be done in your pool. One downside about this product though is the tendency to be delivered in broken pieces. There were a few complaints like this by some customers due to delivery issues which should be addressed by the company itself.
- Effective in inground pools
- Price is affordable
- Individually from for easy usage
- Uses the UV protection technology to last long under the sunlight
- Tablets might be broken into pieces if not handled properly during delivery
In any product, it is all about the effectivity and this chlorinating tablet can definitely help with your swimming pool cleaning and maintenance. I will highly recommend this for purchase and be a part of products that you can use for your swimming pool.
3. Kem-Tek 2815-6 Chlorinating Tablets 1-Inch Pool and Spa Chemicals
When it comes to the super chlorination and sanitation of your swimming pool, this Kem-Tek chlorinating tablet is highly recommended. This tablet was designed and manufactured to be more concentrated and to dissolved slowly for a long-lasting cleaning and sanitation activity.
In terms of its stability, this tablet was made to minimize the chlorine loss when it is under the scorching heat of the sunlight. This will also enable the chlorinating tablet to help in maintaining a steady and strong chlorine residual from the time of the application.
Furthermore, cleaning your small pool and preventing the algae from growing and multiplying will be easy using this chlorinated tablet. I am also amazed at how this tablet can be used in the pool without leaving a strong chlorine odor or scent.
Meanwhile, as good as this product is, this was only designed to be effective in small above ground pools and other similar places. This chlorinated tablet was not designed and may not be effective if it will be used in large swimming pools.
- Heavily concentrated and dissolved slowly to last long
- Assist in maintaining a steady and strong chlorine residual
- Does not leave a typical strong chlorine scent
- Easy to use
- Cannot be used on large swimming pools
Looking for a chlorinated tablet for your small pools will be easy with this Kem-Tek chlorine tablet. I will highly recommend this for purchase if you are looking for effectivity in terms of cleaning your swimming pool and controlling the algae.
4. Swim Best Swimming Pool Chlorine
If you are looking for a chlorinated tablet that you can use for a long period of time, this product from Swim Best is highly recommended. This chlorine tablet will assist your sanitizers in disinfecting your swimming pool and preventing the algae from growing without making your pool water cloudy.
I am also amazed at the product’s ability to be used on skimmer baskets, floaters, and feeders. This was also designed in such a way that it will be dissolved slowly in water for a lasting but effective application. Furthermore, this chlorinated tablet when applied to the pool water does not leave any mineral build-up in your swimming pool.
Last but not least, this pool chlorinated tablet can be used to treat 15, 000 gallons of pool water using about 5 tablets a week. This is enough to disinfect your pool and prevent the algae from growing. It also does not require any assembly which characterizes its easy usage features.
However, there one downside about this product that needs to be addressed and that is its packaging. There were a few complaints about the poor quality of the shipping box which might damage the products inside.
- Provides value for your money
- Easy usage feature
- Does not requires assembly
- Heavily concentrated and dissolved slowly for a long-lasting treatment
- Poor quality of packaging
This is a great product that also offers affordability to its pricing. If you are looking for a chlorinated tablet that combines affordability and effectivity, then this the right product for you.
5. In the Swim 3″ Inch Pool Chlorine Tablets
The next product that we are going to review is produced and manufactured by In the Swim, one of the leading companies in pool cleaning equipment and accessories. This highly-concentrated and wrapped chlorinated tablets are composed of 90% chlorine which provides immediate treatment of your swimming pool.
What I like best about this chlorinated tablet is its stability where it slowly dissolved while providing a long-lasting cleaning activity in the pool. In terms of its packaging, I also like that it is individually wrapped and comes with an easy-open bag for easy usage.
In terms of its application, you can use between 1 to 2 tablets of chlorine tablets to be used on 10,000 galloons and should be increased when there is rain, warm temperatures, or even after heavy usage of the swimming pool.
However, one downside of this product is the quality of its wrappers. There were a few complaints about how the wrappers crushed or break the tablets when the product is not properly handled. This issue should be handled by the manufacturers immediately especially during the delivery.
- Highly-concentrated and individually wrapped
- Composed of 90% chlorine that provides stability during the treatment
- Comes with an easy-open bag that provides comfort
- Manufactured to last long even under the scorching heat of the sun
- The wrapper has the tendency to break the tablet into pieces
Despite of the issue, I will still recommend this product for purchase because of its effectivity in disinfecting your pool. This is a high-quality product from one of the best companies in the industry that protect and clean your pool for a long time.
6. Leisure Time RENU2 Renew Non-Chlorine Shock
The next product that we are going to review is not a chlorinated tablet but a non-chlorine shock oxidizer. I included this product on the review because it works the same in clearing cloudy water and eliminating contaminants and odors.
However, this product can also be used to be paired with your chlorine and other purification systems such as bromine, ozone, and mineral. It can also be used as a buffer to prevent pH fluctuations and is best used in a spa.
When it comes to its usage, this product can be used to kill or destroy small organisms and breaking down deodorants, soaps, and oil residue. Furthermore, it also helps in the prevention of chloramine build up in your spa. Aside from working best in the spa, it can also be used in hot tubs, small pools, and other similar places.
As good as this product is, I found one minor issue with its packaging. The quality of its container is poor that it has the tendency to leak when not handled properly. There were a few complaints of leaking by some customers right after receiving from the delivery box.
- Ability to kill and destroy microorganisms in your spa
- Can also be used to break down soaps, oil, and deodorant in spa water
- Provides value for your money
- Easy usage feature
- The tendency to leak if not handled properly during delivery
If you own a spa, hot tub, or even a smaller pool, I highly recommend this product for purchase especially if you want to clean these places from oils, soaps, and deodorants right after using. This works best if combined with the other products made by Leisure time.
7. DryTec Calcium Hypochlorite Chlorinating Shock Treatment for Swimming Pools
If you are looking for a pool sanitizer that acts fast and dissolves quickly, then this product is highly recommended. The product comes in a massive 24 bags with each bag weighing a pound each.
In terms of its dosage, a bag of this product can treat 10,000 gallons of pool water. So, all in all, one product can kill bacteria, destroy contaminants, and prevent algae from growing in 240,000 gallons of pool water. As an additional information, the treatment is best done during the evening where the swimming pool’s filter pump is working.
I also like that this product comes with 68% of calcium hypochlorite with just enough cyanuric acid additives in its components. This is because the more cyanuric acid is in the product, the lesser the effectivity of the chlorine during the cleanup. This product has more chlorine in its content which is good in terms of its effectivity during the shock treatment.
However, one downside of this product is the tendency to clogs the filter of your swimming pool. It is best for you to check your filter from time to time to prevent this situation from happening.
- Dissolves very fast while acting quickly
- Easy usage feature provides comfort to the user
- Less additives which means more chlorine and a much better treatment result
- One item can treat huge amount of pool water
- Tendency to clog the pool filter
This is just a minor issue and does not really affect the effectivity of this product as a chlorine shock treatment. I will highly recommend this for purchase because of its effectiveness and its capacity to treat thousand of gallons of pool water.
8. In The Swim Chlorine Pool Shock
This product is another chlorine shock treatment that provides a powerful effect to your swimming pool. It works best especially in killing harmful contaminants such as algae and bacteria in the pool water.
The product actually contains 24 bags with each back weighing 1 pound each. Each bag can treat approximately 10,000 gallons of water which means a single item alone can treat a grand total of 240,000 gallons of water in your swimming pool.
I also like that this chlorine pool shock contains 68% of Calcium Hypochlorite as an active ingredient while a smaller amount of cyanuric acid serves as an additive. This will enable the product to quickly sanitize your pool water during the shock treatment.
Meanwhile, shocking the pool must be done periodically to be able to oxidize the pool water and eventually killing invisible bacteria and germs that are living in your pool. Ultimately, this product is perfect for this type of maintenance.
As good as this product is, this chlorine pool shock has the tendency to not dissolve immediately. So, it is important for you to follow the procedure found in the packaging to prevent this from happening.
- Can treat up to 240,000 gallons of pool water
- Contains more chlorine in its components to quickly sanitize your pool
- Provides value for your hard-earned money
- Easy to use provides comfort to the user
- Does not dissolve quickly
This is just a minor issue and does not affect the overall quality of this chlorine pool shock treatment. I will highly recommend this for purchase and include this in your cleaning and maintenance of the swimming pool.
9. Swim Best U009025025 Swimming Pool Chlorine
In my opinion, this next chlorinated tablet that we are going to review is one of the best in the market in terms of quality. This product will serve as a stabilizer for skimmers and chlorinators and will play a big part in your pool cleaning and maintenance.
I like that this chlorinated tablet is individually wrapped and is made with 90% stabilized chlorine. This was also made to slowly dissolve during the treatment for a longer period of time. In terms of application, it can be used to floaters, feeders, and pool skimmers, depending on what is available in your pool.
Aside from disinfecting your pool effectively, I am also amazed at how this product will not make your pool water cloudy. Furthermore, its high concentration provides safety to pool users and does not leave any mineral scale buildup during the cleanup.
As good as this product is, the quality of the container needs to be improved as there were some complaints with leakage during the delivery. This is just a minor downside but still affects the overall quality of the product.
- Dissolve slowly for a longer treatment process
- Can be used in pool skimmers, feeders, and even floaters
- Competitive pricing
- Easy to use
- Poor packaging
This is only a minor issue and does not reflect the overall quality of this product. I will still recommend this product for purchase if you are looking for high-quality chlorinated tablets to be used in your swimming pool.
10. In The Swim 3″ Inch Pool Chlorine Tablets
The last product that we are going to review is from In The Swim, one of the leading companies for pool products and accessories. With 90% chlorine as its component, this chlorinated tablet provides an effective result during the treatment.
I also like that this tablet is individually wrapped and also comes with an easy-open bag. This will enable the user to use it with ease during the treatment. Furthermore, these 3-inch chlorinated tablets have the best size to be used on floaters and chlorine feeders.
In terms of its usage, 1 – 2 tablets must be applied to 10,000 gallons of pool water. Furthermore, it is highly recommended that you test the chlorine level at least once a week to know where your pool stands in terms of its chemical composition. Meanwhile, during warm temperatures, rainy season, or heavy usage, the need to increased the dosage is advisable.
However, there is one minor issue that this product needs to be addressed and that is the quality of its packaging. The wrappers have the tendency to break the tablets when not handled properly.
- Slow-dissolved property provides longer treatment
- Affordable pricing
- Easy usage feature provides comfort to the users
- Can be used on chlorine feeders and pool skimmers
- Poor quality of packaging
When it comes to the effectiveness of this chlorinated tablets, I can say that this is one of the best. I have personally used it and will highly recommend to other swimming pool owners.
What to look for when buying a chlorine tablets for swimming pool?
Chlorinated tablets play an important role in your pool cleaning and maintenance and the need to buy the right one for your pool is equally important. With a lot of brands available in the market, there are things that you need to consider to choose the best one for your swimming pool.
Size and Dosage – Chlorinated tablets comes in two sizes, 1 inch and 3 inches. The one that you will use purely depends on the size of your dispenser as well as the volume of water in your swimming pool. There are dispensers that can hold only one tablet while there are others that can hold more than one. In terms of its dosage, you may refer to the label of the product to know the actual number of tablets you need.
Active Ingredients – With thousands of brands available and to choose from, it is actually difficult to choose the right chlorine tablet for your swimming pool. It is all about doing your research and going to the labels of each product and examining it. From there, you will know the active elements found in the product that might be needed in your swimming pool.
Stick or Tablet – Chlorinated tabs actually comes in two forms, the stick and the tablet form. Depending on the type of your swimming pool, you can immediately decide on what you need. The chlorinated tablets can work together with chlorinators while the sticks are best applied for swimming pools found outdoor.
Needs of your pool – Buying of a chlorinated tablet will largely depends on the needs of your pool. It is important to consider how many times you will chlorinate the pool weekly. In order for you to save money, time, and effort, it is best to purchase chlorinated tablets in bulk to get discount and save some money and minimize your effort.
Chlorine Percentage – Another factor that you need to consider before buying a chlorinated tablet for a swimming pool is the amount of chlorine found in a particular brand. The higher the chlorine percentage, the better the result in terms of sanitizing the swimming pool.
Stabilized Chlorinated Tabs – Aside from chlorine as a major ingredient, there are also other additives that are being added to a chlorinated tablet. One popular additive is known as Cyanuric Acid which is being added to make the tablets last long even after the scorching heat of the sun. In other words, the Cyanuric Acid is used to protect and stabilize the tablet from the effects of sunlight.
However, there were some experts who claim that this chemical actually reduces the effectivity of the chlorinated tablets in terms of sanitizing your swimming pool.
Quality – This is another factor to consider when selecting a chlorinated tablet in your swimming pool. With a lot of brands available in the market, the need to buy the product with the highest quality becomes inevitable. You should also check on the quality of a product by looking at reviews and comments online about the product. The better the reviews and the lesser the complains the highest is the quality of the product.
Other Important Factors to Consider
What are a chlorine tablets for swimming pool?
In order for a swimming pool to be safe for all users, it should be clean and maintain properly and one of the ways to maintain a swimming pool is to regularly chlorinate the pool water. Chlorine tablets, meanwhile, are one of those types of chlorine treatment that you can use to sanitize your pool and make it free from microorganisms and bacteria.
Chlorine tablets can be used not only in wiping out unwanted visitors in the swimming pool but can also be used to balance the chemical composition of your swimming pool. It takes a lot of effort in maintaining and balancing the chemicals especially with the used of algaecides, sanitizers, and other chlorine solutions. With a lot of patience, trial and error, and strategy, you can achieve the right chemical balance while using a chlorinated tablet as an option.
When the pH level of your swimming pool is unbalanced, it is a clear indication that there is a chlorine problem in your swimming pool. The problem with the lack of chlorine in your swimming pool is it brings a lot of negatives such as staining or corroding some parts of the pool. Lack of chlorine will also make your pool dirty as it loses the sparkle of your pool water.
Meanwhile, you can use a chlorine tablet in treating this chlorine deficiency in your swimming pool. It will not only bring sparkle to your swimming pool but also will help in the elimination of microorganisms and unwanted bacteria in the pool.
How to add chlorine tablets in the swimming pool?
The application of chlorine tablets varies depending on the brands that you are using. These chlorine tablets can be paired with a dispenser during the application or treatment. The ideal concentration that must be applied to a swimming pool is 1 part per million and should not exceed 3 parts per million.
This is the safest and the smartest way to balanced the protection against microorganisms and contaminants without putting too much chlorine in your pool water. The more chlorine you put, the more it will bring unwanted effects to the pool users such as eye and throat irritation.
Actually, there are many ways to add chlorine tablets in your pool but the most simple and convenient is through the use of floating dispensers. This is best used when you have floaters, pool liners, and other similar structures. Another method that you can use is through the pool skimmer. This is a much better method that dissolves the chlorinated tablet more effectively as the water directly flows to the skimmer basket.
The automatic chlorinator is probably the best way to add chlorine to your swimming pool. You will have more control over the levels of chlorination that you can do in the treatment process. The chlorine granules are another way and are actually an alternative version of the chlorinated tablets. In this method, you will just sprinkle the chlorine to the pool water during the treatment.
Type of Chlorine Tabs
There are two major types of Chlorine Tabs and that is the Stabilized and the unstabilized chlorine tablets. Stabilized chlorine tabs work best in the outdoor swimming pool while unstabilized chlorine pool tabs work best with indoor pools.
When it comes to its usage, stabilized chlorine tabs usually last long during the treatment process compared to the other type. This is because it was designed to withstand the scorching heat of the sun using an additive called cyanuric acid. This is the component that makes the stabilized tablets last longer even in hot conditions.
Meanwhile, unstabilized chlorinated tablets do not perform well when exposed to sunlight and their effectivity usually decreases when exposed to hot conditions.
Benefits of Using a Chlorine Tabs
There are a lot of benefits in using chlorine tabs and the list below summarizes it:
Easy Usage – Chlorine tablets are easy to use and applied to the swimming pool. You can use either a dispenser, your pool skimmer, or the automatic chlorinator during the treatment. Using any of these ways will provide a constant and steady supply of chlorine all over your swimming pool.
Affordable – Chlorinated tablets are the most affordable options for you in terms of chlorinating your swimming pool. It is inexpensive but one of the most powerful and effective way to sanitize your pool water to make it safe to pool users.
High-Quality Packages – Chlorinated tablets come in high-quality and big packages. Some of which will last for a full season which will greatly save you some money. There will be less effort on your part in terms of repeatedly buying it while exerting a lot of effort.
Versatility – Chlorinated tablets can be use in Jacuzzi’s, spa, and pools which make it more versatile compared to other sanitizers.
Easy measurement – As it comes in tablet form, measuring it during the treatment process is relatively easy. All you need to know is determine the quantity of the tablets that you can use to a particular or specific treatment process.
How much chlorine should you use?
The volume of chlorine that you should use depends on the type of treatment that you will do and the actual size of your pool. To be able to determine the exact amount, you may refer to the instruction manual found in every product.
How to install and use?
Installation and the usage of chlorinated tablets largely depend on the type of tablets in your position. There are tablets that are used with dispensers during the treatment process. Another alternative is to use your pool skimmers and automatic chlorinator to do the job.
What is the best time for chlorination?
Normally, it is best to do the chlorination process during nigh time. This is because chlorine usually loses its effectiveness when exposed to the scorching heat of the sun. Furthermore, adding it during the night will give enough time for the chlorine to clean or sanitize your pool before the sun comes out again the following day.
Why you should not add chlorine tablets to the skimmer?
It is not advisable to put chlorinated tablets in your swimming pool skimmer because it will turn the water acidic which will go into the filter. Acidic water will greatly affect and damage the internal parts of the filter and will force you to replace it with a new one.
What’s the best way to chlorinate your pool then?
There are many ways to chlorinate the swimming pool and the best one largely depends on your preference. But the best one and the most popular one is using the chlorinated tablets as it distributes the chemicals equally into the swimming pool. You can also perform a chlorine shock treatment at least once a week as part of your pool cleaning and maintenance.
Chlorine Safety and Precautions?
For your safety, always follow the instructions indicated in the chlorinated tablets in your position. This will also help in increasing the effectivity of the product when used for treatment. Chlorine tablets should also be stored in a well-ventilated area that provides cool and dry conditions.
For everyone safety, it is important to keep these products away from children’s reach as it is poisonous. It is also important to use gloves when taking out a tablet during the treatment process.
We have reviewed 10 of the best chlorine tablets for swimming pools that are available in the market today. We certainly hope that our review provides information that might be needed while you select the right one for your swimming pool. All the information provided in this review was our way of helping before to finally decide to choose the best-chlorinated tablet for your swimming pool.