Megan's Pool Guide

The 12 Best Pool Chlorine Tablets

By Megan Cox

Chlorine Tablets can help you keep your pool water crystal clear all season long. A good pool chlorine tablet sanitizes, clarifies, and protects your swimming pool against bacteria and algae. In our reviews, we took a look at the best Pool Chlorine Tablets for 2021.

Pool Chlorine Tablets

Top Picks For Best Pool Chlorine Tablets

Chlorine Tablets Brand Formula Tablet Size Weight Rating Price
Clorox Pool And Spa Active 3-Inch Chlorinating Tablets 5-Pounds Clorox Trichlor 3-Inch 5-Pounds
HTH Super 3-Inch Chlorinating Tablets Pool Chlorine, 5 lbs HTH Cyanuric Acid 3-Inch 5-Pounds
In The Swim 3-Inch Pool Chlorine Tablets - 50 Pounds In The Swim Trichlor 3-Inch 50-Pounds
Clorox Pool & Spa XtraBlue 3-Inch Chlorine Tablets, 5-Pounds Clorox Trichlor 3-Inch 5-Pounds
Rx Clear 3-Inch Individually Wrapped Chlorine Tablets Rx Clear Cyanuric Acid 3-Inch 50-Pounds

Best Pool Chlorine Tablet Reviews

Clorox Pool And Spa Active 3-Inch Chlorinating Tablets 5-Pounds On Amazon

Our 1 Pick Pool Chlorine Tablets

Overall Rating:Our Review Rating

Clorox Pool and spa chlorine tablets are long-lasting tablets that work hard to keep your water clean from both bacteria and algae. Each tablet is stabilized to ensure long-lasting protection from algae and bacteria under the sun's rays. These chlorine tablets are used weekly in your pool's skimmer, feeder, or floater. We like these pool chlorine tablets because they are easy to use and individually wrapped inside the bucket. Overall, these 3-inch chlorine tablets are an awesome choice for your swimming pool!

  • Controls Pool Algae
  • Kills Harmful Bacteria
  • 3-Inch Chlorine Tablets

HTH Super 3-Inch Chlorinating Tablets Pool Chlorine, 5 lbs On Amazon

Our 2 Pick Pool Chlorine Tablets

Overall Rating:Our Review Rating

Sanitize and protect your pool all season long with HTH super 3-inch pool chlorinating tablets. You can enjoy yourself swimming knowing your pool is clean. One tablet treats up to 10,000 gallons of water for up to a week. These chlorine tablets are easy to use, just place a tablet in your pool's skimmer, floater, or feeder. We like HTH super 3-inch chlorinating tablets because they destroy algae and bacteria keeping your pool water looking blue. These chlorine tablets contain built-in algae protection and clarifier.

  • One 5-lb container
  • Sanitizes And Protects
  • 1 Tablet Treats 10K Gallons

In The Swim 3-Inch Pool Chlorine Tablets - 50 Pounds On Amazon

Our 3 Pick Pool Chlorine Tablets

Overall Rating:Our Review Rating

In the swim 3-inch pool, chlorine tablets are a great choice! These industry-leading chlorine tablets have 90% available stabilized chlorine for long-lasting sanitizing power. The easy-to-open bags are a perfect size for floaters or any automatic chlorine feeder. Each 3-inch chlorine tablet weighs 8 oz. and treats 10,000 gallons of pool water. We like these chlorine tablets because they are slow-dissolving and work great! For best results, we recommend testing the chlorine level once per week. Awesome choice!

  • Easy-Open Bags
  • 50-Pound Container
  • 90% Available Chlorine

Clorox Pool & Spa XtraBlue 3-Inch Chlorine Tablets, 5-Pounds On Amazon

Our 4 Pick Pool Chlorine Tablets

Overall Rating:Our Review Rating

Kill bacteria and stop green, mustard, and black pool algae with Clorox Pool & Spa XtraBlue chlorine tablets. These pool chlorine tablets prevent corrosion, scale, and stains. You can apply Clorox chlorinating tablets directly to your pool's feeder, skimmer, or floater. It is a good idea to test your pool water weekly to ensure your chlorine and pH remain within optimal swimming ranges. Each container contains 10 chlorine tablets. We like these pool chlorine tablets because they kill bacteria and prevent all types of pool algae. Overall, a great choice!

  • Kills Bacteria
  • Prevents Stains
  • Kills Pool Algae

Rx Clear 3-Inch Individually Wrapped Chlorine Tablets On Amazon

Our 5 Pick Pool Chlorine Tablets

Overall Rating:Our Review Rating

You can enjoy crystal clear pool water that is not harsh on your skin by using Rx Clear 3-inch stabilized pool chlorine tablets. These slow dissolving chlorine tablets are individually wrapped and easy to use. Each chlorine tablet contains a bactericide, algaecide, and disinfectant so you can minimize the hassle of using other corrective chemicals. We like that each 3-inch chlorine tablet weighs 7 oz. and requires a dosage of only 1 tablet per 5,000 gallons of pool water. A single treatment lasts up to one week. Great for all types of swimming pools.

  • Slow Dissolving
  • One 50-Pound Bucket
  • Individually Wrapped Tablets

Kem-Tek Chlorinating Tablets 1-Inch Pool Chlorine, 1.5-Pounds On Amazon

Our 6 Pick Pool Chlorine Tablets

Overall Rating:Our Review Rating

Kem-Tek 1-inch chlorinating tablets are a great choice for small pools! Each 1-inch chlorine tablet offers long-lasting pool sanitation! Four chlorine tablets treat 1,000 gallons of pool water. The slow dissolving and concentrated formula provide long-lasting protection. We like that each chlorine tablet kept our pool water free of algae and the water clear for over a week. If you have a small above-ground pool this is a great choice. These pool chlorine tablets maintain a strong and steady chlorine residual. Overall, these pool chlorine tablets worked well for us!

  • Great For Small Pools
  • 1-Inch Chlorine Tablets
  • Long-Lasting Sanitation

Rx Clear 1-Inch Stabilized Pool Chlorine Tablets On Amazon

Our 7 Pick Pool Chlorine Tablets

Overall Rating:Our Review Rating

Make your pool water crystal clear this summer with Rx Clear 1-inch stabilized pool chlorine tablets. The slow dissolving formula is UV protected and is a great bactericide, algaecide, and disinfectant. 7 chlorine tablets treat 2,500 gallons of pool water for one week. Using Rx Clear weekly minimize the hassle of using other corrective chemicals. These chlorine tablets are stabilized with cyanuric acid, forming an iso-cyanurate giving it a longer shelf-life and less of an odor. We found that these chlorine tablets were easy to use! Overall, an awesome choice!

  • UV Protected
  • Slow Dissolving
  • Bactericide & Disinfectant

Kem-Tek 177 1-Inch Chlorinating Tablets For Pool And Spa, 4-lbs On Amazon

Our 8 Pick Pool Chlorine Tablets

Overall Rating:Our Review Rating

Kem-Tek 1-inch chlorinating tablets for pool and spas offer long-lasting sanitation. We like that these chlorine tablets maintain a strong and steady chlorine residual and are manufactured to resist crumbling. The stabilized formula reduces chlorine loss due to the sun's UV rays. Kem-Tek chlorinating tablets offer the most convenient effective and easiest form of pool chlorination. You will love that each chlorine tablet will keep your pool water free of algae and provided clean water for over a week. Each container contains 150 chlorine tablets.

  • Concentrated Fomula
  • 1-Inch Chlorine Tablets
  • Long Lasting Sanitation

HTH 1-Inch Chlorinating Tablets For Swimming Pools, 5 lbs On Amazon

Our 9 Pick Pool Chlorine Tablets

Overall Rating:Our Review Rating

HTH 1-inch chlorinating tablets sanitize and protect your pool water so you can enjoy swimming all season long! The built-in algaecide kills bacteria and algae. These pool chlorine tablets are easy to use, just place a 1-inch tablet into your pool skimmer, floater, or feeder. This is a great chlorine tablet for small vinyl pools and saltwater systems. Each tablet dissolves slowly for a steady application of chlorine to your indoor or outdoor pool for up to a week. 4 tablets treat up to 10,000 gallons of water! Overall, these chlorine tablets are a great choice for small pools!

  • Easy To Use
  • Sanitizes And Protects
  • 1-Inch Chlorine Tablets

In The Swim 3-Inch Pool Chlorine Tablets - 10 lbs On Amazon

Our 10 Pick Pool Chlorine Tablets

Overall Rating:Our Review Rating

In the swim 3-inch pool, chlorine tablets are a great choice! The easy-to-open bags are a perfect size for floaters or any automatic chlorine feeder. Each 3-inch chlorine tablet weighs 8 oz. and treats 10,000 gallons of pool water. These industry-leading chlorine tablets have 90% available stabilized chlorine for long-lasting sanitizing power. For best results, we recommend testing the chlorine level once per week. We like these chlorine tablets because they are slow-dissolving and work great! Perfect choice!

  • Easy-Open Bags
  • 90% Available Chlorine
  • 3-Inch Chlorine Tablets

NAVA Pool Care 3-Inch Chlorinating Tablets - 25 lbs On Amazon

Our 11 Pick Pool Chlorine Tablets

Overall Rating:Our Review Rating

NAVA's 3-inch concentrated chlorinating tablets are ideal for routine sanitation and clarification. Designed for use in all pool types, these individually wrapped tablets kill bacteria and control algae, all while providing lasting protection against organic contaminants. These chlorine tablets are stabilized and slow-dissolving offering you clean algae-free water. Controls algae and clarifies pool water for lasting protection against organic contaminants and scale build-up. Overall, this is an awesome choice!

  • For All Pool Types
  • 3-Inch Chlorine Tablets
  • Sanitizes, Clarifies, And Protects

Clorox Pool & Spa Small Pool 1-inch Chlorinating Tablets 1.5 lbs On Amazon

Our 12 Pick Pool Chlorine Tablets

Overall Rating:Our Review Rating

Kill bacteria and prevent algae in your small pool this season using Clorox pool and spa 1-inch chlorinating tablets. These chlorine tablets are easy to use and provide great value for your money. We like these chlorine tablets because they sanitize water for a clean, clear pool. We recommend using a floater for these chlorine tablets. Our testing found that these chlorine tablets last about 3 days. Overall, these 1-inch chlorine tablets are a great choice for small above-ground swimming pools!

  • Great For Small Pools
  • 1-Inch Chlorine Tablets
  • Kills Bacteria And Algae

Recommended Pool Upgrades

Pool Clarifiers

Sometimes, your pool filter needs help getting rid of small particles. A good pool clarifier binds these small particles into larger ones, allowing your filter to remove them easier.

Pool Shock

Pool Shock will quickly eliminate algae, bacteria, and other harmful contaminants from your pool water. Keep your pool water crystal clear by using pool shock weekly. See our picks for best pool shock.

Pool Algaecides

Using a pool algaecide will help keep your swimming pool sparkling clean all summer long! Having algae makes it harder for the chlorine to keep your pool clean. See our picks for best pool algaecides.

Robotic Pool Cleaners

Make cleaning your swimming pool convenient with a robotic pool cleaner! Why spend all summer trying to keep your pool clean when you can just let a robotic pool cleaner do the work.

Outdoor Fire Table

Keep your guest warm and enjoy time outdoors with an outdoor fire table! Fire tables are very popular for outdoor entertaining and provide a great centerpiece in your home decor.

Above Ground Pool Ladders

Make getting in and out of the pool easy with a replacement above ground pool ladder. Most replacement pool ladders are better quality and have slip-resistant steps to prevent falling.

Conclusion

If you are looking for pool chlorine tablets we recommend our # 1 pick the Clorox Pool And Spa Active 3-Inch Chlorinating Tablets 5-Pounds. Clorox Pool and spa chlorine tablets are long-lasting tablets that work hard to keep your water clean from both bacteria and algae. Each tablet is stabilized to ensure long-lasting protection from algae and bacteria under the sun's rays. These chlorine tablets are used weekly in your pool's skimmer, feeder, or floater. We like these pool chlorine tablets because they are easy to use and individually wrapped inside the bucket. Overall, these 3-inch chlorine tablets are an awesome choice for your swimming pool!

The next pool chlorine tablets we recommend is the HTH Super 3-Inch Chlorinating Tablets Pool Chlorine, 5 lbs. Sanitize and protect your pool all season long with HTH super 3-inch pool chlorinating tablets. You can enjoy yourself swimming knowing your pool is clean. One tablet treats up to 10,000 gallons of water for up to a week. These chlorine tablets are easy to use, just place a tablet in your pool's skimmer, floater, or feeder. We like HTH super 3-inch chlorinating tablets because they destroy algae and bacteria keeping your pool water looking blue. These chlorine tablets contain built-in algae protection and clarifier.

Our third pick is the In The Swim 3-Inch Pool Chlorine Tablets - 50 Pounds. In the swim 3-inch pool, chlorine tablets are a great choice! These industry-leading chlorine tablets have 90% available stabilized chlorine for long-lasting sanitizing power. The easy-to-open bags are a perfect size for floaters or any automatic chlorine feeder. Each 3-inch chlorine tablet weighs 8 oz. and treats 10,000 gallons of pool water. We like these chlorine tablets because they are slow-dissolving and work great! For best results, we recommend testing the chlorine level once per week. Awesome choice!

Thank you for taking the time to read our Pool Chlorine Tablet reviews!