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You are here: Home / Reviews / Best Swimming Pool Chlorine

Best Swimming Pool Chlorine

The swimming pool is a backyard staple, but all pools require some level of maintenance, and one of the most important parts of pool upkeep is the chlorine. Chlorine sanitizes pool water and kills bacteria, but if you have sensitive eyes or swim a lot, you’re probably more familiar with the burning, stinging sensation of too much chlorine than the feeling of pure, clean water. It’s a balancing act to find the right chlorine level for your pool, one that’s safe for your eyes and minimizes any chemical smell while still effectively sanitizing the water, and it’s one that changes over time as you swim, add more toys or people to the pool and the water becomes dirtier.

To help you sort through the various types of chlorine on the market, we’ve rounded up the best swimming pool chlorine for you to experiment with.

# Preview Product Price
1 ARM & HAMMER Clear Balance Swimming Pool Alkalinity pH Maintenance Tablets, White, 1 Pack, 24 Count ARM & HAMMER Clear Balance Swimming Pool Alkalinity pH Maintenance Tablets, White, 1 Pack, 24 Count $32.54Amazon Prime Buy on Amazon
2 In The Swim 3 Inch Stabilized Chlorine Tablets for Sanitizing Swimming Pools - Individually Wrapped, Slow Dissolving - 90% Available Chlorine - Tri-Chlor - 10 Pounds In The Swim 3 Inch Stabilized Chlorine Tablets for Sanitizing Swimming Pools - Individually Wrapped,... $59.99 Buy on Amazon
3 HTH 42049 Pool Care 1' Chlorine Tabs, Swimming Pool Sanitizer with Added Clarifier - Eliminates Bacteria & Algae, Makes Water Clean & Crystal Clear, Sanitizes & Protects - Slow Dissolving, 1.5 lbs HTH 42049 Pool Care 1" Chlorine Tabs, Swimming Pool Sanitizer with Added Clarifier - Eliminates... $19.24Amazon Prime Buy on Amazon
4 HTH 52031 Swimming Pool Care Shock, Swimming Pool Chlorinator Boosts Chlorine Levels, Cal Hypo Formula, 13.3oz (1 Pack) HTH 52031 Swimming Pool Care Shock, Swimming Pool Chlorinator Boosts Chlorine Levels, Cal Hypo... $3.97Amazon Prime Buy on Amazon
5 HTH 42052W Pool Care 3' Chlorine Tabs Advanced, Individually Wrapped Tablets - Swimming Pool Sanitizer with Clarifier & Algaecide, Destroys Bacteria & Algae, Delivers Clear Water All Season, 5 lbs HTH 42052W Pool Care 3" Chlorine Tabs Advanced, Individually Wrapped Tablets - Swimming Pool... $28.96Amazon Prime Buy on Amazon
6 HTH 42051 Swimming Pool Care 3' Chlorine Tabs Advanced, Swimming Pool Chlorinating Sanitizer, 8oz HTH 42051 Swimming Pool Care 3" Chlorine Tabs Advanced, Swimming Pool Chlorinating Sanitizer, 8oz $6.00Amazon Prime Buy on Amazon
7 CPDI Champion 4-Pack Pool Shock, 12.5 Liquid Chlorinator for Swimming Pools, 1 Gallon Each - Fast-Acting Sodium Hypochlorite Sanitizer, Ready to Use, Non-Staining, Non-Scaling, Commercial Grade CPDI Champion 4-Pack Pool Shock, 12.5 Liquid Chlorinator for Swimming Pools, 1 Gallon Each -... $52.98 Buy on Amazon
8 Clorox Pool&Spa XTRABLUE 3” Chlorinating Tablets, Individually Wrapped, Kills Bacteria & Stops Algae (5 LB) Clorox Pool&Spa XTRABLUE 3” Chlorinating Tablets, Individually Wrapped, Kills Bacteria & Stops... $39.97Amazon Prime Buy on Amazon
9 Clorox® Pool&Spa™ Swimming Pool pH Up, Raises pH, Protects Against Eye and Skin Irritation, 4LB (Pack of 1) Clorox® Pool&Spa™ Swimming Pool pH Up, Raises pH, Protects Against Eye and Skin Irritation, 4LB... $8.97Amazon Prime Buy on Amazon
10 PROFELIZ Chlorine Tablets 3 Inch for Swimming Pools, Kills Bacteria and Stops Algae, Slow Dissolving,Exclusive Protective Packaging,Pool Chlorine Tablets,20lbs PROFELIZ Chlorine Tablets 3 Inch for Swimming Pools, Kills Bacteria and Stops Algae, Slow... $89.99 Buy on Amazon

Our Editor’s Best Swimming Pool Chlorine Reviews

Bestseller No. 1
ARM & HAMMER Clear Balance Swimming Pool Alkalinity pH Maintenance Tablets, White, 1 Pack, 24 Count
ARM & HAMMER Clear Balance Swimming Pool Alkalinity pH Maintenance Tablets, White, 1 Pack, 24 Count
  • Clear Balance Pool Maintenance Tablets use the power of pure ARM & HAMMER Baking Soda in one simple step to maintain your pool’s alkalinity and pH levels the easy way
  • Formulated with trusted ARM & HAMMER Baking Soda to help chlorine work more effectively in your swimming pool; this Baking Soda product for pools also helps to protect pool surfaces from corrosion
  • Contains pure ARM & HAMMER Baking Soda and comes in a convenient tablet form, so there’s no measuring or mess; simply add one tablet for every one chlorine tablet to optimize chlorine performance in your swimming pool
  • Using this Baking Soda for Pool product results in crystal-clear pool water that feels better on your skin and eyes, and can help reduce the need for other corrective and often costly swimming pool chemicals
  • This Baking Soda for Pool product contains 24 tablets in a handy container with resealable lid, so you can choose the size that works best for your swimming pool maintenance needs
$32.54 Amazon Prime
Buy on Amazon
SaleBestseller No. 2
In The Swim 3 Inch Stabilized Chlorine Tablets for Sanitizing Swimming Pools - Individually Wrapped, Slow Dissolving - 90% Available Chlorine - Tri-Chlor - 10 Pounds
In The Swim 3 Inch Stabilized Chlorine Tablets for Sanitizing Swimming Pools - Individually Wrapped, Slow Dissolving - 90% Available Chlorine - Tri-Chlor - 10 Pounds
  • Cleaner, Safer Water: Our chlorine tablets remove bacteria, algae, and other organic contaminants to ensure your above ground or inground swimming pool stays clean and clear throughout the entire season
  • Powerful Sanitization: 99% Trichloro-S-Triazinetrione with 90% stabilized chlorine. Tablets do not expire and are non-perishable, but best used within 2 years of manufacture.
  • Long-Lasting Protection: Slow-dissolving to ensure consistent chlorination. Perfect for use in floaters or automatic feeders
  • UV Protected: Sun-stabilized to resist depletion from harmful UV rays
  • Usage: Ideal size for floaters or automatic feeders
$59.99
Buy on Amazon
SaleBestseller No. 3
HTH 42049 Pool Care 1' Chlorine Tabs, Swimming Pool Sanitizer with Added Clarifier - Eliminates Bacteria & Algae, Makes Water Clean & Crystal Clear, Sanitizes & Protects - Slow Dissolving, 1.5 lbs
HTH 42049 Pool Care 1" Chlorine Tabs, Swimming Pool Sanitizer with Added Clarifier - Eliminates Bacteria & Algae, Makes Water Clean & Crystal Clear, Sanitizes & Protects - Slow Dissolving, 1.5 lbs
  • BENEFIT: Protect your swimming pool and enjoy clean, clear water with these easy-to-use chlorine-based tabs; Kills algae and bacteria
  • CLEAN, CLEAR WATER: HTH Chlorine Tabs keep water clear while protecting against bacteria, algae and other organisms
  • SLOW DISSOLVING, LONG LASTING: Sun protected for longer chlorine life, HTH Chlorine Tabs dissolve slowly and last up to one week
  • COMPATIBLE WITH ALL POOLS: This product is great for all pool types, including saltwater systems; Use 1" tabs for above ground pools, 3" tabs for inground pools; Use in floater, feeder, or skimmer basket
  • YOU’RE ALL CLEAR WITH HTH: For best results, use HTH 6-Way Test Strips twice weekly to test and balance your swimming pool water and keep chlorine levels between 1 and 4 ppm
$19.24 Amazon Prime
Buy on Amazon
SaleBestseller No. 4
HTH 52031 Swimming Pool Care Shock, Swimming Pool Chlorinator Boosts Chlorine Levels, Cal Hypo Formula, 13.3oz (1 Pack)
HTH 52031 Swimming Pool Care Shock, Swimming Pool Chlorinator Boosts Chlorine Levels, Cal Hypo Formula, 13.3oz (1 Pack)
  • BENEFIT: Shock treat, sanitize, clarify, and help prevent bacteria and algae in your swimming pool water, all with this convenient, easy-to-use product
  • FEATURES: Multi-use pool shock with Cal Hypo; Use weekly to solve 90% of pool water problems within 24 hours; Fast-acting and fast-dissolving
  • VISIBLY BRILLIANT SPARKLE: This Cal Hypo based formula sanitizes without adding cyanuric acid (CYA) to prevent overstabilization or chlorine lock
  • COMPATIBLE WITH ALL SWIMMING POOLS: This product is great for all pool types including vinyl-lined pools and saltwater systems
  • YOU’RE ALL CLEAR WITH HTH: For best results, use with HTH 6-Way Test Strips to test and balance your swimming pool water twice weekly
$3.97 Amazon Prime
Buy on Amazon
SaleBestseller No. 5
HTH 42052W Pool Care 3' Chlorine Tabs Advanced, Individually Wrapped Tablets - Swimming Pool Sanitizer with Clarifier & Algaecide, Destroys Bacteria & Algae, Delivers Clear Water All Season, 5 lbs
HTH 42052W Pool Care 3" Chlorine Tabs Advanced, Individually Wrapped Tablets - Swimming Pool Sanitizer with Clarifier & Algaecide, Destroys Bacteria & Algae, Delivers Clear Water All Season, 5 lbs
  • BENEFIT: Sanitizer, clarifier, and algaecide to protect your swimming pool and swimmers with one easy, convenient, and individually wrapped 3-inch tablet
  • CLEAR BLUE WATER: This advanced formula sanitizes, clarifies, and kills algae for beautiful, clean, and clear water all season
  • SLOW DISSOLVING, LONG LASTING: Sun protected for longer chlorine life, HTH 3” Individually Wrapped Chlorine Tabs Advanced dissolve slowly and last up to one week
  • COMPATIBLE WITH ALL POOLS: This product is great for all pool types including vinyl-lined pools and saltwater systems; Use in floater, feeder, or skimmer basket
  • YOU’RE ALL CLEAR WITH HTH: For best results, use HTH 6-Way Test Strips twice weekly to test and balance your swimming pool water and keep chlorine levels between 1 and 4 ppm
$28.96 Amazon Prime
Buy on Amazon
Bestseller No. 6
HTH 42051 Swimming Pool Care 3' Chlorine Tabs Advanced, Swimming Pool Chlorinating Sanitizer, 8oz
HTH 42051 Swimming Pool Care 3" Chlorine Tabs Advanced, Swimming Pool Chlorinating Sanitizer, 8oz
  • BENEFIT: Sanitizer, clarifier, and algaecide to protect your swimming pool and swimmers with one easy and convenient tab
  • CLEAR BLUE WATER: This advanced formula sanitizes, clarifies, and kills algae for beautiful, clean, and clear water all season
  • SLOW DISSOLVING, LONG LASTING: Sun protected for longer chlorine life, HTH 3” Chlorine Tabs Advanced dissolve slowly and last up to one week
  • COMPATIBLE WITH ALL POOLS: This product is great for all pool types including vinyl-lined pools and saltwater systems; Use in floater, feeder, or skimmer basket
  • YOU’RE ALL CLEAR WITH HTH: For best results, use HTH 6-Way Test Strips twice weekly to test and balance your swimming pool water and keep chlorine levels between 1 and 4 ppm
$6.00 Amazon Prime
Buy on Amazon
Bestseller No. 7
CPDI Champion 4-Pack Pool Shock, 12.5 Liquid Chlorinator for Swimming Pools, 1 Gallon Each - Fast-Acting Sodium Hypochlorite Sanitizer, Ready to Use, Non-Staining, Non-Scaling, Commercial Grade
CPDI Champion 4-Pack Pool Shock, 12.5 Liquid Chlorinator for Swimming Pools, 1 Gallon Each - Fast-Acting Sodium Hypochlorite Sanitizer, Ready to Use, Non-Staining, Non-Scaling, Commercial Grade
  • Shockingly Quick Sanitation: Enjoy crystal-clear, swim-ready water faster with Champion Pool Shock’s powerful and potent 12.5 percent sodium hypochlorite formula, providing rapid sanitation for your pool.
  • No Cloudiness or Stains: Keep your pool pristine with a formula that doesn’t cloud water or leave residue, preventing stains and ensuring a beautiful, clear swimming environment.
  • Ready to Use: With no mixing required, it offers an effortless pool care solution. Simply pour it directly into your pool or feed it through a peristaltic metering pump for easy and effective sanitization.
  • Cost-Effective Solution: Save on pool maintenance with a liquid chlorine that offers superior cleaning power at a lower cost, reducing the need for expensive alternatives.
  • Reliable and Safe: Certified to NSF/ANSI 60 standards, this commercial-grade liquid chlorine ensures dependable and safe use in various aquatic settings. Available in convenient 1-gallon jugs, packed in a set of 4.
$52.98
Buy on Amazon
Bestseller No. 8
Clorox Pool&Spa XTRABLUE 3” Chlorinating Tablets, Individually Wrapped, Kills Bacteria & Stops Algae (5 LB)
Clorox Pool&Spa XTRABLUE 3” Chlorinating Tablets, Individually Wrapped, Kills Bacteria & Stops Algae (5 LB)
  • Cleans Water & Stops Algae: Kills harmful bacteria and prevents equipment corrosion, scale and stains. Kills and prevents all types of swimming pool algae (green, mustard, black)
  • Long-lasting sunlight protection: Contains chlorine stabilizer to extend the life of your clean
  • Creates Silky Smooth Feeling Water: XTRABLUE chlorinating tablets contain conditioners for silky smooth feeling water
  • Usage: Apply 2 tablets weekly to treat 10,000 gallons of water, add more tablets as needed to maintain adequate sanitation. Safe for all swimming pool surfaces, including vinyl, plaster, fiberglass, and tile.
  • Clorox Pool App: Test like an expert anytime, anywhere with the Clorox Pool App. Solve common swimming pool problems and get personalized product and dosage recommendations
$39.97 Amazon Prime
Buy on Amazon
SaleBestseller No. 9
Clorox® Pool&Spa™ Swimming Pool pH Up, Raises pH, Protects Against Eye and Skin Irritation, 4LB (Pack of 1)
Clorox® Pool&Spa™ Swimming Pool pH Up, Raises pH, Protects Against Eye and Skin Irritation, 4LB (Pack of 1)
  • Raises Low pH: Clorox Pool&Spa Swimming Pool pH Up is formulated to elevate the pH levels in swimming pool water. By increasing pH levels, it helps in restoring water parameters to their ideal ranges, ensuring a balanced and healthy swimming environment.
  • Improves Swimmer Comfort: This product plays a crucial role for swimmer comfort, as it prevents eye and skin irritation caused by low pH. It aids in preventing dry, itchy skin and red burning eyes for a more pleasant swimming experience.
  • Protects Pool Equipment from Corrosion: By keeping your pool's pH level balanced, this product helps prevent equipment corrosion, allowing you to spend less time maintaining and more time enjoying your swimming pool.
  • Preserves Pool & Equipment - Unbalanced water can cause a corrosive environment that damages your pool surfaces or equipment. This product reduces pool maintenance, extending the life of your pool's cleanliness.
  • Clorox Pool App: Test like an expert anytime, anywhere with the Clorox Pool App. Solve common swimming pool problems and get personalized product and dosage recommendations
$8.97 Amazon Prime
Buy on Amazon
SaleBestseller No. 10
PROFELIZ Chlorine Tablets 3 Inch for Swimming Pools, Kills Bacteria and Stops Algae, Slow Dissolving,Exclusive Protective Packaging,Pool Chlorine Tablets,20lbs
PROFELIZ Chlorine Tablets 3 Inch for Swimming Pools, Kills Bacteria and Stops Algae, Slow Dissolving,Exclusive Protective Packaging,Pool Chlorine Tablets,20lbs
  • Exclusive Protective Packaging: Each 5pcs 3”chlorine tablets for pool are tightly wrapped in a protective plastic box to prevent accidental breakage .
  • Active Ingredients:Each chlorine tab contains 99% Trichloro-S-Triazinetrione with 90% available chlorine.
  • Clean Effectively: Kills bacteria and stops algae growth to keep your pool clean and clear all season long.
  • Long-Lasting Protection: Ensure your pool remains effective with Profeliz chlorine tablets for pool even under direct sunlight exposure. Profeliz 3 inch chlorine tablets for pool are designed to dissolve slowly and last up to one week.
  • Suitable for all pools: 3”pool chlorine tablets are great for all swimming pool types, including above ground and in-ground pools.Profeliz 3 inch chlorine tabs for swimming pool fit easily into most of pool skimmers, floaters or other chlorinating devices.
$89.99
Buy on Amazon

Best Swimming Pool Chlorine Buying Guide

Before choosing the best swimming pool chlorine you should consider following options:

1. Pool Water Balance: Before adding anything to the pool, you should test the water to make sure it’s balanced. The first step is to test the pH level. If the pH is too high or low, it will impact the effectiveness of the chlorine.

The ideal pH level for pool water is between 7.2 and 7.8. If your pH is too high or low, you’ll need to add some chemicals to adjust it.

The other test you should perform is the total dissolved solids (TDS). The TDS measures the amount of total dissolved minerals in the water. The higher the TDS, the higher the amount of calcium and salt in the water.

This measurement is important to note if you live in an area with hard water. If the TDS is too high, it will require a larger amount of chlorine to sanitize the water.

The third test you should perform is the alkalinity of your water. This test measures the amount of bicarbonates and carbonates in your water.

It is important to maintain a proper amount of alkalinity in your water. If your pool water is too acidic or alkaline, it will impact the effectiveness of your chlorine.

When your TDS and alkalinity are balanced, the chlorine is more effective in sanitizing the water.

2. Shock Treatment: Once you have determined your water is balanced, you can add a shock treatment to the water. A shock treatment consists of high-concentrated levels of chlorine in the water.

The purpose of this is to kill off any bacteria that may have grown in the water. Shock treatments are typically done in the spring and fall when the temperatures are cooler and the pool is not being used as often.

3. Sanitizer Level: Once the water is balanced, you can add a liquid or tablet form of chlorine to the water. Liquid chlorine is typically a higher-concentrated form that comes in a variety of sizes.

This is typically used in smaller pools. Tablet form chlorine comes in a variety of sizes, typically ranging from 50-100%.

This is best for in-ground pools but can also be used in above ground pools.

The amount of chlorine you add will depend on the size of your pool and the flow rate of the water. Typically, you will want to add between 1-3 tabs per 500,000 gallons of water.

4. Alarms: Another way to ensure the pool is sanitized is to use alarms. Alarms sound when the levels of chlorine drop in the water. This will alert you to add more chlorine.

What else you should know about swimming pool chlorine

1. What is chlorine and why is it used in swimming pools?

Chlorine is a chemical that is used to disinfect swimming pools. It kills bacteria and other microorganisms that can cause disease.

2. How does chlorine work to kill bacteria and other contaminants in swimming pools?

Chlorine is a strong oxidizing agent and disinfectant. When it is added to water, it reacts with the water to form hypochlorous acid and hypochlorite ion. These chemicals are very effective at killing bacteria and other contaminants in swimming pools.

3. What are the health risks associated with swimming in a chlorinated pool?

The health risks associated with swimming in a chlorinated pool are minimal. However, some people may experience skin irritation, redness, and burning eyes.

4. How can I reduce my exposure to chlorine when swimming in a pool?

There are a few things you can do to reduce your exposure to chlorine when swimming in a pool. First, you can shower before and after swimming to rinse off any chlorine that may be on your skin. Second, you can wear a swim cap to keep your hair from getting wet and absorbing chlorine. Finally, you can try to avoid swallowing any pool water.

5. Are there any alternatives to using chlorine in swimming pools?

Yes, there are alternatives to using chlorine in swimming pools. Some alternatives include using bromine, ozone, or ultraviolet light.


Conclusion

On the market, there are numerous best swimming pool chlorine. Hopefully, the list of the top ten best swimming pool chlorine will save you time researching and deciding on the best one for you.

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