Having a pool is a great way to enjoy the summer, but it requires some work to keep it clean. One of the most important things you need to do to maintain your pool is to chlorinate it regularly. Chlorine tablets are an easy and effective way to do this. But with so many different options on the market, it can be not easy to know which ones are the best. This article will look at four of the best chlorine tablets for swimming pools and compare their features. We’ll also give tips on choosing the right chlorine tablet for your needs. Let’s get started.

Our Top Picks

Best Overall: Clorox Pool And Spa Chlorinating Tablets
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Runner-Up: Rx Clear 1-Inch Stabilized Chlorine Tablets
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Best for Floating Dispenser: In The Swim 3 Inch Stabilized Chlorine Tablets
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Best Chlorine Tablets for Pool

Here are some of the best chlorine tablets for pool that you can use to keep your pool clean and sanitized:

1. Clorox Pool And Spa Chlorinating Tablets

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Clorox Pool&Spa Active99 3” Chlorinating Tablets 35 lb.
  • Everything you need in 1 individually wrapped tablet
  • Prevents algae and kills bacteria
  • Use in skimmer, feeder or floater
  • Controls pool algae

The top chlorine tablet on the market is the Clorox Pool and Spa Chlorinating Tablet. It’s an effective way to prevent algae and bacteria from taking over your pool. You should apply the tablet weekly in order to maintain a chlorine level of 1 to 4 parts per million. The tablet can be easily applied to your feeder, skimmer or floater. Remember to test your pool water weekly to ensure the chlorine and pH levels are where they should be. These tablets dissolve slowly, provide a long-lasting residual, and will not over-saturate your pool with chlorine.

Pros

Prevents algae and bacteria growth

Long lasting residual

Does not over-saturate your pool with chlorine

Easy to use

Can be used in a skimmer, feeder, or floater

Cons

May not be suitable for all pools

2. Rx Clear 1-Inch Stabilized Chlorine Tablets

Rx Clear 1-Inch Stabilized Chlorine Tablets | Use As Bactericide, Algaecide, and Disinfectant in Swimming Pools and Spas | Slow Dissolving and UV Protected | 8 Lbs
  • ADAPTABLE TO YOUR POOL OR HOT TUB - Use 16 ounces per 10,000 gallons of pool water per week by adding the pool chlorine tablets to your floating chlorinator or a inline/offline chlorinator and using the flow of your pump to dissolve and distribute the pool chemicals
  • EASY TO USE - Each chlorinating tablet weighs 0.5 oz. Each bucket comes with multiple bagged tablets to help reduce the chemical mess
  • LONG LASTING - These Rx Clear chlorine tabs are slow dissolving, 90% available chlorine, 99% Trichlor. Note: Some of the tablets may be cracked or broken within their packaging due to shipping. This breakage is normal and does not reduce the effectiveness of these tabs
  • LOW PRICE, HIGH QUALITY - Compared to other brands, the Rx Clear brand provides more available chlorine in each tab at a much lower cost
  • TRUSTED POOL SUPPLIES - Rx Clear has high quality pool chemicals and pool accessories for a great value. Trust Rx Clear to balance your pool and spa chemistry and keep your water safe and clear

Next on our list of the best chlorine tablets for pool is the Rx Clear 1-Inch Stabilized Chlorine Tablets. These adaptable tablets are great for use in both pools and hot tubs, and only require 16 ounces to be used per 10,000 gallons of pool water per week. They’re easy to use, long lasting, and provide a high concentration of available chlorine compared to other brands. Trust Rx Clear to keep your pool water safe and clean all season long. These easy-to-use tablets dissolve quickly and provide long-lasting protection against bacteria and algae.

Pros

Adaptable to pools and hot tubs

16 ounces per 10,000 gallons of pool water per week

High concentration of available chlorine

Long lasting protection against bacteria and algae

Cons

May require pre-dissolving in some cases

3. In The Swim 3 Inch Stabilized Chlorine Tablets

In The Swim 3 Inch Stabilized Chlorine Tablets for Sanitizing Swimming Pools - Individually Wrapped, Slow Dissolving - 90% Available Chlorine - Tri-Chlor - 50 Pounds
  • 90% available chlorine
  • 3" Chlorine Tablets are slow-dissolving and stabilized
  • 8 oz. individually wrapped tablets in easy-open bags
  • 99% Trichloro-S-Triazinetrione (Trichlor)
  • Perfect size for floaters or any automatic chlorine feeder

With 90% available chlorine, these these chlorinating tablets are some of the most powerful on the market. They’re designed for use in both pool and spa, and can be dispensed through a floating chlorine dispenser, skimmer basket, or automatic feeder.

To use, simply add one or two tablets per 10,000 gallons of water. The recommended dosage may need to be increased after heavy pool usage, periods of rain, or extended warm weather. Test your pool’s chlorine levels weekly and adjust as necessary. Also, be sure to brush the pool walls and vacuum the floor at least once a week to prevent algae growth.

Pros

90% available chlorine

Can be used in both pool and spa

Can be dispensed through a floating dispenser, skimmer basket, or automatic feeder

Cons

Some users find the tablets difficult to dissolve

More expensive than some other brands

4. HTH 42040 Super 3-inch Chlorinating Tablets

HTH 42040 Super 3-inch Chlorinating Tablets Swimming Pool Chlorine, 25 lbs
  • BENEFITS: Sanitizes and protects your pool water so you can enjoy swimming all season long
  • USE: Place a tab in pool skimmer, floater, or feeder for simple, DIY pool care
  • COMPATIBILITY: Vinyl pools and saltwater systems
  • FEATURES: Easy to use; Dissolves slowly for a steady application of chlorine to your indoor or outdoor pool for up to a week
  • INCLUDES: One 25-pound pail of Chlorinating Tablets for swimming pools

With HTH chlorinating tablets, you can keep your pool water looking blue by killing algae and bacteria. Just one tablet works for up to one week in 10,000 gallons of water. These tablets are formulated with cyanuric acid to help protect against chlorine loss due to sunlight. This means you can spend less time sanitizing and more time swimming.

To use, first test and balance the pH levels of the water. The ideal pH range is between 7.2 and 7.8. Next, sanitize after sunset for best results. Finally, add one tablet to a pool feeder, floater or skimmer per 10,000 gallons of water. Do not add directly to the pool as this can cause damage to pool surfaces. With HTH chlorinating tablets, you can enjoy your pool all season long.

Pros

Kills algae and bacteria

Works for up to one week

Formulated with cyanuric acid to help protect against chlorine loss

Cons

Must balance pH levels before using

Best Chlorine Tablets for Pool

ImageBest Robotic Pool Skimmer for Your PoolAverage Customer Review Link
Clorox Pool And Spa Chlorinating Tablets4.6/5Amazon
Rx Clear 1-Inch Stabilized Chlorine Tablets4.7/5Amazon
In The Swim 3 Inch Stabilized Chlorine Tablets4.7/5Amazon
HTH 42040 Super 3-inch Chlorinating Tablets4.5/5Amazon

What To Consider When Buying Chlorine Pool Tablets?

When buying chlorine tablets for your pool, you need to consider several things to ensure you’re getting the best possible product for your needs. Here are a few of the most important factors to consider:

1. Type

Pool chlorine tablets come in two different types: slow-dissolving and fast-dissolving. Slow-dissolving tablets are designed to be placed in a chlorinator or floating dispenser, while fast-dissolving tablets can be added directly to the pool water. Also, the formula may contain sodium hypochlorite or calcium hypochlorite. The former is ideal for saltwater pools, while the latter works great in freshwater pools.

2. Size

Chlorine tablets come in various sizes, from small 1-inch tablets to large 3-inch tablets. Your size will depend on your pool size and the amount of chlorine you need to maintain proper levels.

3. Dissolving Speed

The dissolving speed of a chlorine tablet is important to consider because you don’t want the tablet to take too long to dissolve, or it won’t be as effective. Faster-dissolving tablets are usually more expensive, but they’ll get the job done more quickly.

4. Safety

Safety is always a top priority when using any pool chemicals, and chlorine tablets are no exception. Read the label carefully to ensure the product is safe in your pool, and follow the instructions carefully.

5. Price

Of course, you’ll also want to consider the price when selecting chlorine tablets for your pool. Be sure to compare prices from different retailers to find the best deal. You may also want to look for sales or coupons to save even more money.

With so many different chlorine tablets on the market, choosing the right one for your pool can be difficult. But if you keep these factors in mind, you’ll be sure to find the best possible product for your needs.

Can I Use Shock Instead Of Chlorine Tablets?

When it comes to keeping your pool clean, a few different options are available to you. Chlorine tablets are a great option for keeping your pool clean because they are easy to use and last a long time. However, some wonder if they can use shock instead of chlorine tablets.

The short answer is yes; you can use shock instead of chlorine tablets. Shock is a powerful disinfectant that kills bacteria or algae in your pool. However, shock is also a strong chemical and can be dangerous if not used properly. You should only use shock if you are sure that your pool is very dirty and if you are using the correct amount.

Can Baking Soda Replace Chlorine In A Pool?

You can use baking soda in your pool as an alternative to chlorine, but it will not work either. Baking soda is not a disinfectant, so it will not kill bacteria or other organisms in the water. It can, however, help raise the water’s pH level, making it less acidic and more comfortable to swim in.

Also, be aware that using baking soda in your pool will increase the water’s alkalinity, making it more difficult to maintain the proper pH balance.

Can You Swim While Chlorine Tablets In Pool?

You can swim while the chlorine tablets are in the pool, but it is important to ensure that you follow the directions on the package. If the package says to wait 20 minutes after adding the tablet before swimming, you should wait 20 minutes.

Also, test the chlorine levels in your pool regularly and adjust the number of tablets you use. If you put too many chlorine tablets in the pool, it can cause skin and eye irritation. It can also make the water feel slimy. If this happens, you should stop using the tablet and contact a pool professional for help.

Can I Use Salt Instead Of Chlorine In My Pool?

Using salt instead of chlorine in your pool is not recommended. Salt will not sanitize your pool effectively and can damage the pool’s equipment. Chlorine is the best way to keep your pool clean and safe for swimming. Also, salt can make the water in your pool feel salty and uncomfortable to swim in. If you are looking for an alternative to chlorine, you can try bromine tablets. Bromine is a chemical similar to chlorine and can be used to sanitize your pool effectively.

FAQ

Is There Still A Chlorine Tablet Shortage?

No, the chlorine tablet shortage has ended. You should be able to find them at your local pool supply store or online.

What Can I Use Instead Of Chlorine Tablets?

There are a few alternatives to chlorine tablets, but none are as effective or as easy to use. Bromine tablets are one option, but they can be more expensive and difficult to find. Liquid chlorine is another option, but it can be difficult to measure and control the amount you use.

How Many Chlorine Tablets Should You Use?

The number of chlorine tablets you should use depends on the size of your swimming pool and the amount of water in it. A general rule of thumb is to use one tablet for every 10,000 gallons of water. Also, you should regularly check the chlorine levels in your pool and adjust the number of tablets you use.

What Is The Difference Between Bleach And Chlorine Tablets?

Bleach is a chemical that can be used as a disinfectant, but it is not the same as chlorine. Chlorine is a much more effective disinfectant specifically designed for pool use. Bleach can also be dangerous if not used properly, so it is important to be careful when handling it. Also, chlorine tablets dissolve slowly and evenly in water, while bleach can dissipate quickly.

How Do I Use Chlorine Tablets?

You will need a floating dispenser or a chemical feeder to use chlorine tablets. Simply place the tablet in the dispenser and let it dissolve. The chlorine will be released into the pool water and will work to kill bacteria and algae. Check the chlorine levels regularly and adjust the number of tablets you use.

Are Chlorine Tablets Safe?

Yes, chlorine tablets are safe when used as directed. However, it is important to be careful when handling them and always to follow the manufacturer’s instructions. You should also avoid contact with your skin and eyes and ventilate the area when using them.

How Often Should I Use Chlorine Tablets?

You should use chlorine tablets as often as needed to maintain the desired chlorine level in your pool. Typically, you will need to add chlorine tablets to your pool weekly. If you have many swimmers using your pool, you may need to add chlorine tablets more often.

To determine how often to use chlorine tablets, you will need to test the chlorine level in your pool. You can purchase a pool test kit at your local home improvement store. Follow the instructions included with the kit to test the chlorine level in your pool.

Conclusion

With so many different chlorine tablets on the market, it can be hard to decide which one is right for your pool. However, by considering the size of your pool, the type of tablet you prefer, and your budget, you can narrow down your options and find the best chlorine tablets for your needs.

We hope this article has helped you choose the best chlorine tablet for your pool. If you have any questions or would like to share your own experiences with chlorine tablets, please leave a comment below. Happy swimming!

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Last Updated: July 27, 2022 / Categories: Outdoor & Garden, Pool & Spa / 10 min read / Tags: , , /

About the Author: Brian Stilts

Brian Stilts

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