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3 Chlorine Tablets For Pool

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Other Pool Chemicals And Supplies

3″ Trichlor Chlorine Tablets, User Guide
  • pH Balancers: Increase or decrease your pools pH levels as needed.
  • Alkalinity Increaser: Help your pool resist changes to pH levels.
  • Algae Removers: Work in tandem with chlorine to help prevent a variety of algae outbreaks, including mustard, black or green algae.
  • Test Strips: Necessary for testing pools for things like chlorine, pH and alkalinity levels.

Need help? Call 1-866-290-5334

In The Swim Chlorine Tablets

In The Swim is also bringing a popular option for chlorine tablets on our list today. This brand also focuses on apparatus and accessories designed for pool owners such as pool chemicals, and cleaners.

In 2nd place, we are putting the In The Swim Stabilized Chlorine Tablets. As the name suggests, these are stabilized chlorine tablets to avoid any future problems caused by UV rays that are observed with non-stabilized methods. Plus, this option is more suited for large pools since you will get a 50 lbs in quantity of 3 inches chlorine tablets with this pack. To make it an even better option for large pools, In The Swim has managed to make the available chlorine with these tablets about 90%.

These are slow-dissolving chlorine tablets that might take a long time to take effect but will offer long-lasting results compared to smaller tablets. Plus, the effective increase in chlorine content of the pool water is quite noticeable. Each of these 3 inches tablets offer the Trichlor chlorine addition method and are individually wrapped to avoid damage in transit. And these tablets are designed in such a way that they can be used with any automatic feeder or floater with ease.

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What Is The Best Time For Chlorination

There are some people who argue that you can add chlorine at any time of the day. As you might expect, there are others who claim that chlorination should be done at night. Reason? Its simple: when added at night, youll give chlorine ample time to function and kill the bacteria.

While stabilized chlorine shields from sun rays, it cannot block them. Therefore, if you want to spend your money only once on chlorine tablets, I would recommend you to add them at night.

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What Makes In The Swim 3 Chlorine Tablets The Best

Pool Care and Maintenance

It is important to maintain your pool/spa to keep it clean and healthy all year round. Good habits, such as cleaning your filter or emptying your skimmer basket, will ensure that your investment is protected for years to come. But most importantly, you and your family will be able to enjoy the swimming pool or spa each season.

Water Testing

Testing the water weekly or bi-weekly, depending on use and outside variables, helps keep your pool/spa water healthy. Utilizing a DPD or OTO reagent-based water test kit, test strips, or digital testing will help you monitor the pool or spa water chemistry.

Adjusting and Balancing

Adjusting and balancing your pool or spa water chemistry ensures that you will get the most out of the swimming season. The benefit of having good pH and Alkalinity levels is that it will increase the ability of your main sanitizer to kill bacteria. Balanced pool water chemistry will also reduce chemical and maintenance costs. Balanced pH and alkalinity help prevent corrosion and scale formation on the interior pool surface and surrounding equipment.

Best Pool Chlorine 3 Tablets

Clorox Pool& Spa XtraBlue 3"  Chlorinating Tablets for Swimming Pools ...

1HTH 42033 Super 3″ Chlorinating Tablets Swimming Pool Chlorine, 5 lbsChlorinating Tablets for Pool

2In The Swim 3 Inch Stabilized Chlorine Tablets for Sanitizing Swimming PoolsChlorine Tablets for Sanitizing Pool


  • Trichloros-triazine trichlor tablets are fast-dissolving and stabilized, making them perfect for floaters or any automatic chlorine feeder.


  • Some users report that the tablets can be difficult to open due to their small size.

CLOROX Pool& Spa XtraBlue 3-Inch Long Lasting Chlorinating TabletsLong Lasting Chlorinating Tablets

4Pool Mate 1-1404 Jumbo 3-Inch Swimming Pool Chlorine4 Pounds of Swimming Pool Chlorine Tablets

5Rx Clear 3-Inch Individually Wrapped Chlorine TabletsWrapped Chlorine Tablets

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Why Choose Chlorine Tablets

Unlike liquid chlorine, chlorine tablets are blocks made of compressed calcium hypochlorite, a household bleach, and cyanuric acid , a stabilising agent. The tablets dissolve in water to produce hypochlorous acid, which sanitises your pool, while the CYA provides UV protection to minimise depletion. Chlorine tablets are a mess-free, low-maintenance alternative to liquid chlorine. Heres why chlorine tablets are becoming a popular option for backyard pools:

What Do Swimming Pool Chemicals Do

  • Adding chlorine to your pool reduces the risks of spreading waterborne illness, from minor infections and stomach upsets to more serious issues caused by bacterial growth.
  • Chlorine also helps stop the buildup of algae and other water contaminants, helping to ensure a pleasant swim all through the summer.

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Wrapped Or Unwrapped For Chlorine Tablets

Chlorine tablets can either come wrapped or unwrapped.

The idea behind wrapped tablets is that you can just drop them into a feeder or chlorinator from the wrap without you having to touch the tablet with your hand directly. Wrapped tablets usually cost more because of this seemingly extra protection for your hand.

In reality, it often does not protect your hand as well as youâd hope. You will still most likely get chlorine on your hands. There are also times you will have to adjust chlorine tablets inside the equipment after you add them.

If you are worried about protecting your hand, Iâd recommend you use tongs to handle chlorine tablets.

Affordable Chlorine Brands To Buy Online Despite Shortage

How to Use Chlorine Tablets, Brought to You by HTH

Posted: May 3, 2022 / 08:44 AM MDT

While switching to a saltwater pool sounds enticing, it is still a gamble, because converting your pool will cost more than buying chlorine.

Posted: May 3, 2022 / 08:44 AM MDT

If you have a pool, you need to sanitize the water. Most people do that with chlorine. Unfortunately, for the past couple of summers, chlorine has been hard to find.

The good news is theres a light at the end of the tunnel chlorine prices are expected to come down as the supply goes up. The bad news is that probably wont happen until 2023. Heres all you need to know about the chlorine shortage, including where you can still find tablets.

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How Has The Shortage Affected The Price Of Chlorine

In the worst-case scenario, people are finding it difficult to even locate chlorine. In the best-case scenario, expect to pay more than three times the price of what you were paying just a couple of years ago. Before the shortage, a 50-pound bucket of chlorine tablets cost roughly $75. Now, a good price is $250.

How To Safely Use Chlorine In Your Pool

  • When storing chlorine, make sure you keep the lids tightly closed.
  • Store them in a dry place away from other chemicals.
  • Be careful when you open up your chlorine bucket since fumes can build up inside. Open your chlorine bucket where thereâs some form of ventilation.
  • When pouring powder form of chlorine into the water, keep them close to the water as you pour, so the wind doesnât carry them away and end up on things that we donât want them to be on.
  • If your pool has a sensitive surface, such as a vinyl liner, you can pre-dilute your chlorine before pouring to prevent possible damage.
  • Donât combine chlorine with other forms of gas, as it can be hazardous.

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Swim Best U009050050 Swimming Pool Chlorine

These chlorine tablets are EPE-certified. That means you can be certain that this product is safe to use. There are other things to ensure you to choose this.

For feeder baskets, skimmers, and floaters, these tablets are great. In fact, they get to cover down to all the corners of your swimming pool.

Without further ado, here are the pros and cons:


  • They work wonders as water-disinfectants.
  • They are also very effective.
  • These tablets spread across your swimming pool, slowly and evenly.


  • Unfortunately, these chlorine tablets are also quite fragile.

Can I Get By Without Sanitizing My Pool Water

Pool Care 36150 Swimming Pool Chemical 3

There is a wide variety of swimming-related illnesses that occur when the water is not properly sanitized. These illnesses can involve diarrhea, skin infections, ear infections, eye infections, and more. According to the CDC, a swimmer can get sick if they swallow, have contact with, or breathe in mists or aerosols from water contaminated with germs. The CDC also states that recreational water might contain Cryptosporidium, which can be life-threatening for people who have weakened immune systems. In short, you need to sanitize your pool water.

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How Does Chlorine Work

When chlorine reacts with water, it forms a few different compounds, such as hypochlorous acid, hydrochloric acid, and hypochlorite ions.

The pH of your pool water determines how much of these compounds are present. If your pool has a higher pH, you will see more hypochlorite ions in the water.

These compounds alone donât do much for keeping your pool contaminant-free.

If the pH of your pool dips below, there will be more hypochlorous acid, which acts as a disinfectant for bacteria and viruses in your water.

There are six common types of chlorine that are used for water chlorination:

  • Gas chlorine â Expensive and dangerous with a low pH, so itâs rarely used in modern days
  • Cal-hypo â The oldest form of chlorine. It has a high pH and often comes in granular or tab forms. Itâs volatile and highly reactive with other compounds. Too much of it can cloud your pool water
  • Sodium hypochlorite â It is also commonly known as bleach. Itâs a fast-acting compound with a high pH. It works well for shocking and increasing chlorine levels rapidly.
  • Trichlor â It usually comes in 1-inch or 3-inch tablet form. It can also be found in granular form. This form of chlorine contains quite a bit of cyanuric acid and has a low pH. Trichlor is especially useful in a hot environment because it endures hot weather relatively well compared to other chlorine types.
  • Question : Why Are My Chlorine Tablets Not Dissolving

    Depending on your application method, there are a few reasons why your chlorine tablet might not be dissolving. First, if your filtration system is off, you may not be getting enough water flow to break down your tablets. Make sure it runs for at least 8 hours a day for best results. If you have an automatic chlorinator, you may have the wrong setting on your output dial, or your control valve may be clogged, preventing water from flowing into the chlorinator. If thats the case, contact a pool technician for advice and service.

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    Best Chlorine Tablets For Your Pool 2022 Reviews

    All pool owners can agree on how important it is to keep their pools clean and maintained throughout the year. While it may be a tedious task, it is definitely a crucial one as the status of the pool directly affects the health of those who are using it. Apart from cleaning the pool, it is also important to keep the pool hygienic at all times.

    For that, a lot of pool owners go with chlorine tablets. As you may already know, chlorine is a pretty common chemical that is added to the pool in order to keep the water safe and hygienic. Chlorine is also used in mineral water filters to maintain the purity level of water. Adding chlorine to any water body kills the bacteria, algae, spores, and other small insects that may be present in the water. If you are also looking for chlorine tablets to add in your pool, make sure you consider the following factors before you buy one.

    Apart from the factors mentioned above, there is a lot more to know before you can decide whether a certain chlorine tablet is feasible for your pool or not. For that, you will have to inspect all the information available for a certain package of chlorine tablets before you place your order. To make it easier for you, we are bringing the best chlorine tablets available in the market right here so that you can make a decision easily. We will also guide you on how to pick up the best chlorine tablet container for your pool in our Buying Guidefor the best chlorine tablets so make sure you check that out.

    Lb 3 Chlorine Tabletsmodel # 42052

    How to Add CHLORINE TABLETS to Your POOL | Swim University
    Country of Origin China
    • Sanitizer, clarifier, and algaecide
    • Use in floater, feeder, or skimmer basket
    • Tabs last up to 1 week
    • Chlorinates for up to 1 week
    • 4-in-1 kills bacteria and algae
    • 1 tablet treats 10,000 gallons of pool water
    • Clarifies water

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    How Much Chlorine Do I Need

    It is impossible to guess how much chlorine you will go through in the summer. The number of swimmers, the weather, and more all affect how quickly chlorine evaporates from your pool. The biggest factors that determine how much chlorine you will need, however, are how much water is in your pool and how many days you keep your pool open during the swim season.

    One 3-inch chlorine tablet can treat up to 5,000 gallons of water. Many brands claim you only need to add tablets once per week, but this is not always the case. You will need to monitor the chlorine levels in your pool to determine what your needs are. A 20,000-gallon pool may require anywhere between 50 to 100 tablets for the season. This translates to 25 to 50 pounds of tablets per season. Again, this is only a rough estimate. The size of the pool, weather, and use can have a dramatic effect on chlorine usage.

    What Does Chlorine Do

    When you clean your pool, you use a skimmer to remove objects that are floating on the surface. A pool vacuum, on the other hand, picks up the debris that has settled on the bottom. Both of these pool maintenance tools methods, while essential, only clean the water. They do not sanitize it. That means the water still has algae, bacteria, microorganisms and more. Chlorine kills these viruses and makes the water safe for swimming.

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    Why Your Pool Needs Chlorine Tablets

    Have you ever seen a Hollywood movie with a perfect, sparkling pool water? The reason behind that crystal clear pool water is the chlorine tablets. Provided you have injected an optimum amount of chlorine into the pool, it will kill dangerous microorganisms which cause ear infection, athletes foot, gastroenteritis, and Legionnaires disease.

    These bacteria seem to form in stagnant water. Consequently, it becomes customary for you to remove them through chlorination. Therefore, if while using your pool, it is crucial that you know the usefulness of chlorine tablets. After adding chlorine into your pool, you must know about how to keep its chlorine level up.

    The Number Of People Using The Pool

    Clorox Pool& Spa XtraBlue 3"  Long Lasting Chlorinating Tablets 35 lb ...

    When more people are using the pool, your chlorine tablets will get used up more quickly since more organic matter is produced from people.

    In case you host a pool party where you will see a large spike in chlorine demand, you may even consider chlorinating your pool with liquid chlorine since it works quicker.

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    Stabilised: Most Chlorine Tablets Include A Stabiliser Or Cyanuric Acid Which Reduces Evaporation Of Chlorine And Prolongs Sanitation Liquid Chlorine Doesnt Usually Include A Stabiliser Which Means It Gets Used Up Quickly To Compensate Youll Need To Add Stabiliser Separately Adding Yet Another Step To Your Pool Sanitation Routine

    Note: Check your CYA levels before adding chlorine tablets to your pool. If the levels are high, you may need to bring them down by diluting the pool water by draining some of your pool water and topping it up with a hose. While CYA makes your chlorine effective for longer, too much can have the opposite effect.

    Type Of Chlorine Tablet

    Before you start looking for a chlorine tablet for your pool, you should first understand how many types of chlorine tablets are available in the market. And after that, you have to decide which option seems perfect for your pool. For common water bodies such as swimming pools, spas, and hot tubs, there are a few most commonly used chlorine tablets that are listed below.

    2. Sodium Hypochlorite

    Sodium Hypochlorite can be a great option for your pool if your pools filtration system is comparatively weaker and might have a hard time with the hardness level of other tablets. These tablets usually offer 10 to 12% chlorine which might not be as effective as other options when it comes to killing harmful organic material such as algae or bacteria. Plus, these tablets introduce a non-stabilized method of chlorine addition that might degrade slowly under direct sunlight.

    3. Lithium Hypochlorite

    Lithium Hypochlorite is a comparatively stronger option than Sodium Hypochlorite as it contains about 28 to 35% chlorine. So, it can increase the chlorine level of your pool very effectively and maintain its chemical balance with ease. But, this is also a non-stabilized method of chlorine addition and it is vulnerable to UV radiation produced by the sun. After a certain period of time, it can create chloramine which causes irritation to eyes and skin for the user.

    4. Calcium Hypochlorite

    5. Dichlor

    6. Trichlor

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