Best Chlorine Tablets For Inground Pool (2024 Updated)

When you shop through links on our site, we may earn an affiliate commission. This educational content is not intended to be a substitute for professional advice.

As a pool owner, you want to keep your inground pool clean and safe for swimming. One of the most important steps in maintaining a healthy pool is using the right type of chlorine tablets. There are many factors to consider when choosing the best chlorine tablets for your inground pool, such as the type of chlorinator you use, the size of your pool, and the level of chlorine needed. Here are 5 key points to keep in mind when looking for the best chlorine tablets for your inground pool:

1. Type of Chlorine – There are two main types of chlorine tablets: stabilized and unstabilized. Stabilized chlorine tablets are designed to dissolve slowly and release chlorine over time, while unstabilized chlorine tablets dissolve quickly and provide a quick boost of chlorine. Determine which type of chlorine is best for your pool based on your chlorinator and pool size.

2. Chlorine Content – Look for chlorine tablets with a high percentage of active chlorine to ensure maximum sanitation of your pool. Tablets with a low chlorine content will dissolve quickly and may not provide adequate sanitization.

3. Tablet Size – Consider the size of your chlorinator and the size of your pool when choosing the size of your chlorine tablets. Tablets that are too large for your chlorinator may cause clogs, while tablets that are too small may dissolve too quickly.

4. Brand Reputation – Choose a reputable brand of chlorine tablets to ensure quality and effectiveness. Read reviews and ask other pool owners for recommendations.

5. Price – While price is important, don't sacrifice quality for a lower cost. Cheaper chlorine tablets may contain fillers or have a lower percentage of active chlorine, resulting in less effective sanitation.

By keeping these key points in mind, you can find the best chlorine tablets for your inground pool and ensure a clean and safe swimming environment for you and your family.

10 Best Chlorine Tablets For Inground Pool

1. Doheny's Pro-Grade 3" Chlorine Tablets: Slow-Dissolving, Long-Lasting, And Individually Wrapped. 99% Active Ingredient, 90% Stabilized Chlorine. 50lb Bucket.

Doheny's 3 Inch Swimming Pool Chlorine Tablets are a pro-grade pool sanitizer that offers long-lasting and slow dissolving protection to keep your pool clean and safe. Designed to be individually wrapped, these tablets are made from 99% Trichloro-S-Triazinetrione and 90% stabilized chlorine, ensuring that they are effective in killing bacteria and algae.

One of the standout features of these chlorine tablets is their ability to last longer than other options on the market. Each tablet is pre-stabilized against the sun's UV rays, which helps prevent premature burn-off. This means that fewer tablets are needed over time, which is a cost-effective solution for pool owners.

The tablets are also safe for family use, thanks to the childproof locking lid on each 50lb bucket. This ensures that young children cannot access the bucket and accidentally ingest the tablets. Additionally, each tablet comes individually wrapped, which minimizes odor, dust, and skin contact. This added safety measure helps reduce the risk of skin irritation or allergic reactions.

To use these tablets, simply place them in your pool's skimmer, floater, or feeder for easy chlorine distribution. This makes it easy to keep your pool clean and clear, without the hassle of measuring out exact amounts of chlorine each time you want to add it to your pool.

Doheny's has been a trusted name in pool supplies for over 50 years, and their commitment to quality shows in their premium-grade 3 inch chlorine tablets. Whether you're a first-time pool owner or a seasoned pro, these tablets are a reliable and effective solution for keeping your pool clean and safe for swimming.

2. Clear Pool Chlorine Floater For 3" Tablets, 40% Thicker Walls, 7" Dispenser For In/above Ground Pools, 2 Year Warranty.

Cclear Pool Chlorine Floater is the ultimate solution for keeping your pool clean and crystal clear. This chlorine dispenser is designed to hold 3-inch chlorine tablets and features 40% thicker walls that are UV-resistant, making it one of the most durable options available.

The Cclear Pool Chlorine Floater is an unsinkable option, ensuring that your pool stays clean and pristine throughout the season. The floater is filled with foam and made with heavy-duty materials to prevent it from sinking. This feature allows the chlorine dispenser to float effortlessly on the surface of your pool while dispensing the chlorine tablets.

One of the best features of the Cclear Pool Chlorine Floater is its secure, twist-lock cap. This cap ensures that the chlorine tablets remain in the dispenser and do not fall out, preventing chlorine stains at the bottom of your pool. With this feature, you can confidently splash and play in your pool without worrying about stains or discolored water.

The Cclear Pool Chlorine Floater is designed to be durable and long-lasting. Unlike other chlorinators that wear out easily, this dispenser features 40% thicker walls that are UV-resistant, making it more durable and able to withstand wear and tear. This feature means that you can enjoy your pool chlorinator season after season without worrying about replacements.

With a large capacity, the Cclear Pool Chlorine Floater allows you to maintain a spotless, swimming pool without constantly refilling the floater. The dispenser's wide compartment can fit up to five 3-inch chlorine pool tablets, making it an ideal option for both inground and above-ground swimming pools.

Cclear Pool is committed to providing excellent customer service and ensuring that their products meet your expectations. As a testament to their dedication, they back their chlorine dispenser for pools with a 2-year warranty after purchase. This warranty gives customers peace of mind and ensures that they are getting a high-quality product that is backed by a reliable company.

Overall, the Cclear Pool Chlorine Floater is a reliable and durable option for keeping your pool clean and clear. Its unsinkable design, secure twist-lock cap, and high capacity make it an excellent choice for pool owners who want a dependable and long-lasting solution for maintaining their pool's cleanliness.

3. Hth 42042 Super 3" Chlorinating Tablets Swimming Pool Chlorine, 5 Lbs

The HTH 42042 Super 3" Chlorinating Tablets Swimming Pool Chlorine is a highly effective solution for maintaining a clean and clear pool. This product is designed to sanitize and protect your pool water so that you can enjoy swimming in it all season long.

Using this product is simple and hassle-free. All you need to do is place a tablet in your pool skimmer, floater, or feeder, and let it do its job. Each tablet can treat up to 10,000 gallons of water for up to a week, making it a convenient option for DIY pool care.

This product is compatible with vinyl-lined pools and saltwater systems, making it a versatile option for pool owners. It also kills bacteria and algae, ensuring that your pool water is always safe and healthy to swim in. Additionally, it clarifies water, leaving your pool looking sparkling clean.

One of the key features of this product is that it is sun protected, which extends the life of the chlorine. This means that you can enjoy the benefits of this product for a longer period of time, without having to worry about constantly adding more chlorine to your pool.

Each container of HTH 42042 Super 3" Chlorinating Tablets Swimming Pool Chlorine contains 5 lbs of super chlorinating tablets. This is enough to keep your pool clean and clear throughout the season, without having to constantly restock.

Overall, the HTH 42042 Super 3" Chlorinating Tablets Swimming Pool Chlorine is an excellent solution for pool owners who want to maintain a clean and healthy pool with minimal effort. Its easy-to-use design, compatibility with different pool types, and long-lasting effects make it a popular choice among pool owners.

4. 3 Inch Stabilized Chlorine Tablets For Pool Sanitization – Slow Dissolving, 50 Lbs

When it comes to maintaining a swimming pool, keeping the water clean and sanitary is a top priority. In The Swim’s 3 inch stabilized chlorine tablets are designed to help with just that. These tablets are infused with a powerful active ingredient and a slow-dissolving formula that ensures your swimming pool water remains sanitary for an extended period, saving you both time and money.

In The Swim’s chlorine tablets contain 99% Trichloro-S-Triazinetrione (Trichlor) and 90% available chlorine, making them some of the strongest products on the market. These tablets are sun-stabilized, which increases their longevity in outdoor swimming pools.

Using granular or liquid chlorine to sanitize a pool often leads to inconsistent chlorination, but with our chlorine tablets, you can avoid this problem. To ensure the effectiveness of pool chlorine in the water, it is crucial to keep the pH and alkalinity levels balanced. In The Swim’s chlorine tablets help maintain this balance, making them a reliable choice for pool maintenance.

These chlorine tablets are 3 inches in size and individually wrapped in easy-open bags. They work great in chlorine floaters and automatic chlorine feeders. With over 40 years of experience in making and selling chlorine tablets for above ground pools, in-ground pools, spas, and hot tubs, In The Swim is a trusted brand that provides clear, clean, and safe water.

In summary, In The Swim’s 3 inch stabilized chlorine tablets are an excellent choice for anyone looking to keep their swimming pool water clean and sanitary. With their potent active ingredient and slow-dissolving formula, these tablets provide long-lasting protection against bacteria and other contaminants. Additionally, their convenient size and packaging make them easy to use and store, making them a reliable choice for pool maintenance.

5. Clorox Pool&spa Xtrablue 3" Long Lasting Chlorinating Tablets 25 Lb

Clorox Pool&Spa XtraBlue 3" Long Lasting Chlorinating Tablets 25 lb is an excellent product for pool owners who want to keep their pool clean and free of visible algae. This product is designed to protect against algae and bacteria, ensuring that your pool water remains clear and clean.

These chlorinating tablets are highly effective in killing all types of pool algae and bacteria. The product contains a powerful formula that is designed to eliminate algae and bacteria and prevent their growth. This makes it an essential product for maintaining the cleanliness of your pool.

One of the significant benefits of the Clorox Pool&Spa XtraBlue 3" Long Lasting Chlorinating Tablets is that they are protected against sunlight. This feature ensures that the tablets last longer, providing you with extended protection against algae and bacteria.

The packaging of this product may vary, but the contents are always the same. The product comes in a 25 lb container, which is sufficient to maintain the cleanliness of your pool for an extended period. The container is also designed to be easily stored, ensuring that the tablets remain fresh and effective.

The Clorox Pool&Spa XtraBlue 3" Long Lasting Chlorinating Tablets are easy to use. Simply add the tablets to your pool's skimmer, and the product will dissolve slowly, releasing the active ingredients into the water. The product's slow-dissolving formula ensures that the tablets provide continuous protection against algae and bacteria.

In conclusion, if you are a pool owner looking for an effective product to keep your pool clean, clear, and free of visible algae, the Clorox Pool&Spa XtraBlue 3" Long Lasting Chlorinating Tablets 25 lb is an excellent choice. The product's powerful formula is highly effective in killing all types of pool algae and bacteria, and its slow-dissolving formula ensures that it provides continuous protection. The product is also protected against sunlight, ensuring that it lasts longer. Get yours today and enjoy a clean and clear pool all summer long.

6. Clorox Pool&spa Xtrablue 3-Inch Long Lasting Chlorinating Tablets, 5-Pound Chlorine

CLOROX Pool&Spa XtraBlue 3-Inch Long Lasting Chlorinating Tablets are a reliable and effective solution for keeping your pool water clean and clear. These chlorine tablets are specially formulated to kill bacteria and prevent all types of pool algae growth, making your pool a safer and healthier environment for swimming.

One of the key benefits of using these chlorine tablets is their ability to prevent corrosion, scale, and stains. By maintaining proper chlorine levels in your pool, you can prevent damage to your pool equipment and surfaces, saving you time and money on costly repairs.

Another advantage of CLOROX Pool&Spa XtraBlue 3-Inch Long Lasting Chlorinating Tablets is their long-lasting sunlight protection. These tablets are designed to dissolve slowly over time, providing consistent chlorine levels and protection against harmful UV rays. This means you can spend less time worrying about maintaining your pool and more time enjoying it.

It's important to note that the packaging of these chlorine tablets may vary. However, the quality and effectiveness of the product remains the same. When using these tablets, it's important to follow the instructions carefully and test your pool water regularly to ensure proper chlorine levels.

Overall, CLOROX Pool&Spa XtraBlue 3-Inch Long Lasting Chlorinating Tablets are a convenient and effective way to keep your pool water clear, clean, and safe. Whether you're a pool owner or a professional pool maintenance provider, these tablets are a reliable choice for maintaining optimal pool conditions.

7. Rayyakicg 3" Pool Chlorine Tablets – 8lb Bucket – 90% Available Chlorine – Long-Lasting Slow-Dissolving Formula For Pools And Spas.

If you're looking for an effective way to keep your swimming pool or spa clean and clear, the RAYYAKICG 3 Inch Pool Chlorine Tablets might just be what you need. These tablets are designed to provide reliable and long-lasting chlorination for your pool or spa, ensuring that your water stays fresh and free of harmful bacteria.

Each tablet weighs about 7 ounces and has a diameter of 3 inches, making them the perfect size for use with floaters or automatic chlorine feeders. Simply place the tablets in the floater or feeder, and let the slow-dissolving formula do the rest.

One of the key benefits of these chlorine tablets is their long-lasting nature. With 90% available chlorine and 99% Trichloro, they're designed to dissolve slowly over time, ensuring that your pool or spa stays clean and clear for longer periods between treatments. This means you can minimize your use of other chemicals and save money in the process.

To use these tablets, simply add 1 tablet per 10,000 gallons of pool water as needed, depending on the size of your pool or spa. Use your existing inline or offline chlorinator, or a floating chlorine dispenser, to dissolve and distribute the pool chemicals throughout the water.

These chlorine tablets are also highly versatile, and can be used not only in swimming pools and spas, but also in hot tubs, saunas, and water parks. They're perfect for any facility that requires reliable and effective chlorination.

Overall, the RAYYAKICG 3 Inch Pool Chlorine Tablets are a great choice for anyone who wants to keep their pool or spa clean and clear without having to constantly monitor and adjust chemical levels. With their long-lasting formula, easy-to-use design, and reliable performance, these tablets are sure to be a valuable addition to any pool or spa maintenance routine.

8. Clorox Pool&spa Xtrablue 3" Long Lasting Chlorinating Tablets 35 Lb

Clorox Pool&Spa XtraBlue 3" Long Lasting Chlorinating Tablets 35 lb is a highly effective pool and spa water treatment solution that offers a range of benefits for maintaining a clean and clear swimming environment. These chlorinating tablets are designed to control algae growth, kill bacteria, prevent corrosion and scale buildup, and remove organic contaminants for crystal clear water.

The tablets are formulated with a proprietary blend of active ingredients that work together to deliver reliable and long-lasting performance. They dissolve slowly to provide a steady release of chlorine, which helps to maintain the optimal chlorine levels in the water. This ensures that the pool or spa stays clean, clear, and free of contaminants, while also preventing the growth of algae and bacteria.

One of the key benefits of Clorox Pool&Spa XtraBlue 3" Long Lasting Chlorinating Tablets is their ability to prevent corrosion and scale buildup. These tablets contain a special agent that helps to protect the pool or spa equipment from damage caused by harsh chemicals and hard water. This means that the equipment will last longer and require less maintenance over time, saving you time and money in the long run.

In addition to their powerful cleaning and maintenance capabilities, Clorox Pool&Spa XtraBlue 3" Long Lasting Chlorinating Tablets also provide a silky smooth feel to the water. This makes swimming more enjoyable and comfortable, and can also help to soothe skin and reduce irritation.

One of the unique features of Clorox Pool&Spa XtraBlue 3" Long Lasting Chlorinating Tablets is their protection against sunlight. The tablets are specially designed to resist the effects of sunlight, which can cause chlorine to break down and lose its effectiveness over time. This means that the tablets will last longer and provide consistent performance throughout the season.

Overall, Clorox Pool&Spa XtraBlue 3" Long Lasting Chlorinating Tablets 35 lb is an excellent choice for anyone looking to maintain a clean and clear swimming environment. With their powerful cleaning and maintenance capabilities, protection against corrosion and scale buildup, and long-lasting performance, these tablets offer reliable and effective pool and spa water treatment that you can count on.

9. Leslie's 3" Chlorine Tablets – Stabilized, Slow Dissolving, 90% Available Chlorine, 35 Lbs.

Leslie's Jumbo 3 Inch Chlorine Tablets are an essential product for maintaining a clean and healthy swimming pool. These tablets are stabilized, individually wrapped, and slow-dissolving, ensuring even and consistent sanitization. With 90% available chlorine and 99% trichlor active ingredient, they are the strongest chlorine tablets available on the market.

One of the key benefits of using these jumbo chlorine tablets is their ability to control all types of pool algae, bacteria, and other disease-causing organisms. This makes them an effective solution for preventing the growth of harmful bacteria and maintaining a safe swimming environment.

The slow-dissolving formula of these tablets also ensures long-lasting and consistent sanitization. They are designed to release chlorine gradually over time, providing continuous protection against bacteria and algae. This means less maintenance and fewer doses required, making them a convenient and cost-effective solution for pool owners.

Additionally, these chlorine tablets are formulated with built-in protection against sunlight to shield against chlorine burn off. This means that they remain effective even in direct sunlight, which can cause other chlorine products to break down and lose their potency.

Another important feature of these jumbo chlorine tablets is that they contain no fillers, glues, or binders. This means that they are more effective at sanitizing the pool as there are no unnecessary additives that can interfere with the chlorine's ability to kill bacteria and algae.

Overall, Leslie's Jumbo 3 Inch Chlorine Tablets are a high-quality and effective solution for maintaining a clean and healthy swimming pool. With their powerful formula, long-lasting effects, and built-in protection against sunlight, they are an essential product for any pool owner looking to ensure the safety and cleanliness of their pool.

10. In The Swim 3 Inch 5-In-1 Super Multi-Tabs Chlorine Tablets For Sanitizing Pools – 9 Pounds

In The Swim 3 Inch 5-in-1 Super Multi-Tabs Chlorine Tablets for Sanitizing Pools – 9 Pounds is a highly effective pool cleaning product that contains 84.15% Pure Trichlor. This product is designed to help pool owners keep their swimming pools clean and free of bacteria, algae, and other contaminants.

Each 3-inch Super Multi-Tab contains Trichlor, Stabilizer, Algaecide, Clarifier, and Water Softener, making it a comprehensive solution for pool sanitation. These tablets are compatible with chlorine chemical feeders, floaters, and skimmers, making them easy to use and highly versatile.

Individually wrapped tablets produce less off-gassing and have a longer shelf life, ensuring that pool owners get the most out of their purchase. However, it is important to note that due to state restrictions, Super Multi-Tabs cannot be shipped to CA or DC.

The primary ingredient in these tablets is Trichlor, which is a highly effective disinfectant that kills bacteria, viruses, and other microorganisms in the water. This makes it an ideal solution for maintaining a clean and healthy swimming pool.

In addition to its sanitizing properties, Super Multi-Tabs also contain stabilizer, which helps to prevent the breakdown of chlorine due to sunlight exposure. This ensures that the chlorine remains effective for a longer period of time, reducing the need for frequent reapplication.

The tablets also contain algaecide, which helps to prevent the growth of algae in the pool. This is important because algae can cause the water to turn green and make it unsuitable for swimming.

Super Multi-Tabs also contain clarifier, which helps to improve water clarity by removing small particles that can make the water appear cloudy or hazy. The water softener in these tablets helps to prevent the buildup of calcium and other minerals in the pool, which can cause scaling and other problems.

Overall, In The Swim 3 Inch 5-in-1 Super Multi-Tabs Chlorine Tablets for Sanitizing Pools – 9 Pounds is a highly effective and versatile pool cleaning product that is easy to use and produces excellent results. Whether you are a first-time pool owner or a seasoned pro, these tablets are an excellent choice for maintaining a clean and healthy swimming pool.

Best Chlorine Tablets For Inground Pool FAQs

Are there any safety concerns or precautions I should be aware of when using chlorine tablets in my inground pool?

Yes, there are safety concerns and precautions to keep in mind when using chlorine tablets in an inground pool. First, it's essential to handle the tablets with care and avoid any direct contact with skin or eyes. The tablets are highly concentrated and can cause chemical burns or irritate the skin and eyes. Additionally, it's crucial to store the tablets in a cool, dry, and well-ventilated area and keep them away from children and pets.

When adding the tablets to the pool, it's recommended to use a chemical feeder or floater and not add them directly to the water. It's also important to follow the manufacturer's instructions on the proper dosage and frequency of use to avoid over-chlorination, which can cause skin and eye irritation and damage pool equipment.

Finally, it's crucial to test the water regularly to ensure the chlorine levels are within the recommended range and adjust as necessary. By following these safety precautions and guidelines, you can safely and effectively use chlorine tablets in your inground pool.

How do I determine the appropriate size and amount of chlorine tablets to use in my inground pool?

To determine the appropriate size and amount of chlorine tablets to use in your inground pool, you need to consider the size of your pool, the level of usage, and the weather conditions in your area. The general rule of thumb is to use one 3-inch chlorine tablet for every 10,000 gallons of water in your pool. However, if your pool is heavily used or if you live in a hot and humid climate, you may need to use more tablets. It is important to follow the manufacturer's instructions for the specific chlorine tablets you are using, as the concentration of chlorine can vary between brands. Additionally, it is recommended to use a chlorine floater or automatic feeder to ensure even distribution of the chlorine throughout the pool. Regular testing of the chlorine levels in your pool is also important to ensure proper sanitation and to avoid over-chlorination.

How often should I add chlorine tablets to my inground pool to maintain proper water balance and sanitation?

The frequency of adding chlorine tablets to your inground pool depends on various factors such as the size of the pool, number of swimmers, weather conditions, and the level of chlorine present in the water. In general, it is recommended to add chlorine tablets to the pool every week to maintain proper water balance and sanitation. However, during periods of heavy use, hot weather or rainfall, you may need to add them more frequently. It is important to regularly test the water using a pool test kit to ensure the proper chlorine levels are maintained. The ideal chlorine level for an inground pool is between 1-3 parts per million (ppm). If the level falls below this range, it is important to add more chlorine tablets to prevent the growth of bacteria and other harmful microorganisms. Over-chlorination can also cause skin irritation and other health issues, so it is important to follow the manufacturer's instructions and use the appropriate amount of chlorine tablets for your pool size.

What are the advantages and disadvantages of using different types of chlorine tablets?

The advantages of using different types of chlorine tablets include their convenience, ease of use, and effectiveness in sanitizing swimming pools or spas. For example, stabilized chlorine tablets are designed to release chlorine slowly, providing a consistent level of sanitation, while non-stabilized tablets dissolve faster and are ideal for shock treatments. Additionally, some tablets are formulated to address specific water issues, such as high levels of metals or algae growth.

However, the disadvantages of using different types of chlorine tablets should also be considered. For instance, some tablets may contain additives that can cause staining or damage to pool equipment. Moreover, certain types of tablets can raise the pH level of the water, leading to potential scaling or cloudy water. Finally, over-reliance on chlorine tablets can result in the buildup of cyanuric acid, which can reduce the effectiveness of chlorine and necessitate the need for additional water treatments.

What are the best brands of chlorine tablets for inground pools?

1. In The Swim

2. Clorox

3. Arch Chemicals

4. Leslie's Pool Supplies

5. Kem-Tek

6. Pool Mate

7. HTH

The selection of a chlorine tablet brand depends on various factors such as the size of the pool, the level of chlorine required, and the budget. It is recommended to choose a brand that offers quality products with a proven track record of effectiveness, safety, and affordability. It is also important to follow the manufacturer's instructions for the proper use and storage of chlorine tablets to ensure maximum efficiency and safety.

How useful was this post?

Click on a star to rate it!

Average rating 0 / 5. Vote count: 0

No votes so far! Be the first to rate this post.

Sharing is caring!

Leave a Comment