Pool Chlorine Tablets

50

Models Considered

70

Hours of Research

5

Experts Interviewed

350

Consumer Reviews Analyzed

E nsuring there are no chances for microbes, microorganisms, or fungi to develop in the swimming basin you own, requires strict chlorine maintenance. Although present in several shapes, the easiest path to utilize it is thought tablets. Linked with the pool style you have, there are plenty of options to pick from. So, to aid in discovering which is better suited for your needs, we’ve gathered the best of them in one place.

Top 7 Pool Chlorine Tablets Comparison

Photo Product Name Tablet Size Volume available Available Chlorine Main Active Ingredient Price
Clorox Pool&Spa 22425CLXW ImageBest Overall
1. Clorox Pool&Spa 22425CLXW
3” 5 lbs, 12lbs, 25 lbs, 35 lbs 90% Trichloro-s-triazinetrione
see price
In The Swim 3 Inch ImageEditor’s Choice
2. In The Swim 3 Inch
3” 10lbs, 25lbs, 50lbs, 100lbs 90% Trichloro-s-triazinetrione
see price
Kem-Tek KTK-50-0016 ImageBest Budget-friendly
3. Kem-Tek KTK-50-0016
1” 1.5 lbs 85% Trichloro-s-triazinetrione
see price
Clearon NAVA ImageBest for Small Pools
4. Clearon NAVA
3” 25lbs, 35lbs, 50lbs, 100lbs 90% Trichloro-s-triazinetrione
see price
Swim Best U009050050 ImageBest for Indoor Pools
5. Swim Best U009050050
3” 50 lbs 90% Trichloro-s-triazinetrione
see price
Star Plus 50 Pound ImageBest for Above-ground Pools
6. Star Plus 50 Pound
3” 50 lbs 90% Trichloro-s-triazinetrione
see price
Pool Brand 3-inch ImageBest for Large Pools
7. Pool Brand 3-inch
3” 50 lbs 90% Trichloro-s-triazinetrione
see price

1. Clorox Pool&Spa 22425CLXW


Clorox Pool&Spa 22425CLXW
View Price on Amazon

Specifications:

  • Tablet size: 3”
  • Volume available : 5 lbs, 12 lbs,25 lbs, 35lbs
  • Main active ingredient : Trichloro-s-triazinetrione
  • Available chlorine proportion : 90%

  • Distinct packaging :
  • Long-lasting effects :
  • Dispersed through : Skimmer, feeder, floater, dispenser
  • Slow dissipation rate :




As its main active ingredient, it holds trichloro triazinetrione in a proportion of 99%, making it highly potent in the fight against algae, fungi, and underwater bacteria for the majority of open-air pools. Its application doesn’t stop there, as it can accommodate spas too, sporting enduring effects that will sustain the water clarity, lessening the overall number of pills used monthly.

Available in different package sizes, ranging from 5 lbs up to 35 lbs, these 3”-tablets can be placed in skimmers, feeders, or dispensers for faster and swifter spread. They are individually packed in plastic, so you’ll have a stress-free utilization, without damaging your hands or the other tablets. Even more, a phone app is available to download on both Android and iOS, to aid you in keeping track of a regular maintenance interval.

PROS

  • Long-lasting effects
  • Fight against algae and fungi
  • Spread through versatile methods
  • Individually wrapped
  • High concentration

CONS

Verdict

With a versatile spreading method by means of the water system, it guarantees it is compatible with several styles of basins. Each is distinctly packed, for safer administration, and includes a large accumulation of chlorine for better overall performance.



2. In The Swim 3 Inch


In The Swim 3 Inch
View Price on Amazon

Specifications:

  • Tablet size: 3”
  • Volume available : 10 lbs, 25 lbs, 50 lbs, 100lbs
  • Main active ingredient : Trichloro-s-triazinetrione
  • Available chlorine proportion : 90%

  • Distinct packaging :
  • Long-lasting effects :
  • Dispersed through : Dispenser, automatic feeder
  • Slow dissipation rate :




With a total quantity of 90% chlorine available in its structure, thanks to its main active ingredient, In The Swim 3 Inch aids in combating algae and fungi. The pills have a slow dissolving rate which offers long-lasting effects, making them highly useful for outside pools. Each is 3” in size, and is separately kept in bags for hassle-free utilization.

They are accessible in different amounts, ranging from 10 lbs, 25 lbs, 50 lbs and even 100 lbs, allowing you to pick the volume best fitted for your needs. Although they are compatible with saltwater, their application can be administered only though dispensers or automatic feeders.

PROS

  • Compatible with saltwater
  • Long-lasting effects
  • Utilized with automatic or normal dispensers
  • Combat algae and fungi

CONS

Verdict

With a slow dispersing rate, the end results will span for a longer period, ensuring the sanitization of the water. Accessible in several quantities to suit your needs, each is packed separately for struggle-less utilization. More than one can be used with normal or auto dispensers, but they shouldn’t be utilized with skimmers, as the high concentration might damage the system if in direct contact.



3. Kem-Tek KTK-50-0016


Kem-Tek KTK-50-0016
View Price on Amazon

Specifications:

  • Tablet size: 1”
  • Volume available : 1.5 lbs
  • Main active ingredient : Trichloro-s-triazinetrione
  • Available chlorine proportion : 85%

  • Distinct packaging :
  • Long-lasting effects :
  • Dispersed through : Floater, skimmer, dispenser
  • Slow dissipation rate :




Compatible with saltwater, Kem-Tek KTK-50-0016 may be utilized with normal or automatic dispensers, and feeders to ensure up to 1 week of protection against kelp and microorganism. Its enhanced condensation of chlorine 85% found in its main active ingredient, trichloro-s-triazinetrione, prevents microbes from appearing. Even more, it prevents drastic drops in chlorine levels as a result to the ultra-violet radiations present in the sun rays.

It is accessible in a 1.5-lbs package, the 1” tablets are also budget-friendly, leading them to be an accessible choice for several types of basins. They don’t come alone, but with a live 24/7 customer line, in addition to an interactive water test application online, which allows you to simulate and calculate the optimal employment of chlorine for your pool type or spa.

PROS

  • Versatile utilization
  • Long-lasting effects
  • Compatible with plenty of basin styles
  • Budget-friendly

CONS

Verdict

Their economical price along with their versatility makes them a favorite choice for many pool owners. As a result of the decelerate dispersion rate, the benefits will span across several days, reducing the overall monthly tablet consumption.



4. Clearon NAVA


Clearon NAVA
View Price on Amazon

Specifications:

  • Tablet size: 3”
  • Volume available : 25 lbs, 35 lbs, 50 lbs, 100 lbs
  • Main active ingredient : Trichloro-s-triazinetrione
  • Available chlorine proportion : 90%

  • Distinct packaging :
  • Long-lasting effects :
  • Dispersed through : Automatic feeder, floater, skimmer
  • Slow dissipation rate :




Available in 4 distinct sizes, which range from 25 lbs up to 100 lbs, Clearon NAVA is compatible with all kinds and styles of pools. With a heavy chlorine level – 90% – thanks to its trichlor main active ingredient, the effects last for an entire week, resulting in clean water, with no algae or bacteria.

It sanitizes and clarifies the water, while its slow-dissolving ability can be perfectly matched with normal or automatic dispensers, floaters, and even skimmers. It can be used for shock treatments as well, since it sports a lingering effect, working non-stop at destroying fungi or algae present in the basin for the first 24 hours. Subsequent the shock effect, it leaves no residue in the water, thereby deeming it harmless for eyes and hair, while its ability to diminish pH levels assures the water is safe sensitive skin as well.

PROS

  • High efficiency
  • No residue
  • High concentration
  • Distinctly packed

CONS

Verdict

Compatible with all kinds and styles of basins, these 1” tablets may be utilized according to your preferences, by either inserting them into the skimmer or dispersing them with an automatic unit. Their ability to melt slowly ensures durable and lasting effects, as kelp and microorganisms will be excluded from the water for an entire week. It also diminishes the pH range, guaranteeing the water is harmless for sensitive skin, hair, and eyes.



5. Swim Best U009050050


Swim Best U009050050
View Price on Amazon

Specifications:

  • Tablet size: 3”
  • Volume available : 50 lbs
  • Main active ingredient : Trichloro-s-triazinetrione
  • Available chlorine proportion : 90%

  • Distinct packaging :
  • Long-lasting effects :
  • Dispersed through : Skimmer, feeder, floater, chlorinator
  • Slow dissipation rate :




Swim Best U009050050 offers dual-purpose as it can be utilized for both shock therapy in addition to regular sanitization maintenance, ensuring its efficacy indifferent to the task at hand. It includes a large chlorine level of 90%, with its main active ingredient, trichloro-s-triazinetrione at 98.6% ensuring no microorganisms or fungi that can resist it.

The 3”-tablets offer a slow dissolution rate which enhances their efficiency throughout an entire week. Preserving the water clean, and sanitized, they can be utilized with skimmers and feeders, in addition to floaters and chlorinators, for even dispersing across the entirety of the basin. They are accessible in a generous, 50 lbs pack, with each unit specifically packed on its own for safer and struggle-less utilization.

PROS

  • Durable effects
  • Slow dispersing rate
  • Compatible with several dispensers
  • Individually wrapped

CONS

Verdict

Due to their packaging, they are safe and easy to use, while the large amount they are present in ensures plenty of spare units for prolonged use. With their high concentration and slow dispersing rate, the overall effect will be enhanced spreading throughout an entire week, reducing over chlorination. Even more, it offers dual purpose, ensuring high-end results when used for shock treatment as well as regular water maintenance.



6. Star Plus 50 Pound


Star Plus 50 Pound
View Price on Amazon

Specifications:

  • Tablet size: 3”
  • Volume available : 50 lbs
  • Main active ingredient : Trichloro-s-triazinetrione
  • Available chlorine proportion : RASP

  • Distinct packaging :
  • Long-lasting effects :
  • Dispersed through : Feeder, floater, skimmer
  • Slow dissipation rate :




Star Plus 50 Pound’s 3” jumbo tablets offer an excellent way of combating algae and fungi present in all kinds of swimming basins. Each unit is packed on its own, making handling them hassle-free and with no risks, while their large compatibility with plenty of dispensing methods – feeders, skimmers, floaters – offer a varied procedure of utilizing them.

With a high 90% concentration of available chlorine, they show a slow dispersing rate, which provides persistent aftereffects for the entirety of a week. In the first hours of use the leftover chlorine will actively operate to combat microorganisms and fungi, but after the period is over, no residues will remain, thus guaranteeing the water safe for sensitive hair, skin, and eyes.

The pills are EPA approved, and will not cloud the water, maintaining it pristine at all times. Available in a generous 50-lbs pack, they offer versatile utilization, as they can be employed for shock-therapy, regular maintenance, or as a starting cleaning procedure for newly-installed pools.

PROS

  • Versatile utilization method
  • Compatible with a wide array of basin kinds
  • Individual wrapping
  • Durable effects
  • Slow dispersing rate

CONS

Verdict

Highly versatile in the way in which they can offer assistance in keeping the basin water clear, the jumbo tablets have a slow dispersing rate, for efficient results. Every tablet has its own, distinct, plastic bag to aid in safe maneuverability, but also to increase their safety-storage in humid weather. The heavy chlorine levels will fight against fungi and microorganisms, which ensures they are a safe-choice for shock-therapy, regular maintenance, or for cleaning-starters.



7. Pool Brand 3-inch


Pool Brand 3-inch
View Price on Amazon

Specifications:

  • Tablet size: 3”
  • Volume available : 50 lbs
  • Main active ingredient : Trichloro-s-triazinetrione
  • Available chlorine proportion : 90%

  • Distinct packaging :
  • Long-lasting effects :
  • Dispersed through : Feeder, auto dispenser, skimmer
  • Slow dissipation rate :




Available in a plentiful 50-lbs bucket, the pills are distinctly kept in plastic bags, for hassle-free transportation, easy storage, and secure maneuverability. With a heavy accumulation of tricolor-s-trianetrione in a proportion of 99%, in addition to a high percentage, 90%, of available chlorine, they are ideal for large-scale basins. Even more, as a result of the high chemical concentration, they can be employed in shock therapy, as well as regular water maintenance.

With a slow-paced dissolution rate, their overall result is enhanced, as they will continue the fight against algae and fungi for up to an entire week, leaving no residue behind. They are compatible with feeders, auto dispensers, and skimmers, for an even distribution throughout the basin.

PROS

  • Suited for large water bodies
  • High concentration
  • Versatile application
  • Individually packed

CONS

Verdict

An easy to maneuver packaging method makes them not only easy to store, as the plastic bag will keep humidity away, but also safe to maneuver. The large tablets offer high concentration with a slow dispersion rate, which actuates the overall process, ensuring the results will continue for a lengthy period. By leaving no residue behind they guarantees the water is gentle with sensitive skin and eyes.



How to use Chlorine

An aspect which no pool-owner can escape is water-maintenance. Keeping algae in check in addition to preventing microorganisms from appearing requires chlorine. But how much, and a rightly timing to utilize it also requires knowledge. Luckily a few tricks are all that you need to hasten the learning process.

Kinds

With plentiful modes in which chlorine can be administered to your pool, powders, liquid, granules, sticks, or tablets, remember the base component for each, since the 5 distinct kinds of chlorine require different acting conditions. The most frequently used types are:

  • Stable – These types comprise substances (dichlor & trichlor) which, making use of the sun rays, will disperse gradually, and are usually used with open-air swimming pools. They offer the maximum amount of chlorine (80 -90%) having high efficiency while lasting longer than other types.
  • Unstable – Since they should be kept away from sunlight, seeing as they lose their efficiency when directly exposed to solar rays, these types are suited for indoor swimming pools. They include sodium, lithium, or calcium hypochlorite.
    • Sodium – identifiable in bleaches of all sorts, it has a low level of chlorine available in its structure. While using it might prove sufficient for disinfecting small areas, it offers no use if larger areas are concerned.
    • Lithium – granularly shaped, it offers a medium level of chlorine (35%). It melts fast and works great as a shocker type especially for small-scale home-pools.
    • Calcium – either shaped as granules or tablets, it offers the highest level of chlorine from its counterparts (40-80%) offering excellent use and quality as a shocker and as the main sterilizer for your pool.
Intake Proportioning

Instantly linked to the quantity of chlorine you should administer to your swimming basin, is the basin’s dimension and the state the water is in. If you’ve kept the water clean, then the pH value should situate anywhere from 7.2 to 7.6, while the chlorine should remain between 1 ppm up to 1.5 ppm. You can easily keep track of these numbers through a test kit.

However, if the water has been poorly taken care of, and kelp is already appearing, then most likely it will require a shock therapy. Although this procedure is usually employed when the basin hasn’t been used for a lengthy period or has been completely shut down. To ‘revive’ it the chlorine necessary should range from 40g/10m3 up to 1500g/125m3.

Utilization

There are 4 main ways to spread chlorine in your basin:

  1. Directly – sprinkle the product directly into it. Opting for this procedure, implies the use of protective equipment and a strict following of the instruction on the utilization method.
  2. Dispenser – with an adjustable flow, it holds 2 or 3 pills, slowly dispersing them in the water, gradually.
  3. Skimmer system – whereas the previous device simply distributes the chlorine around, the skimmer employs the water flow to disperse it evenly, across the entirety of the basin while also screening the water.
  4. Auto-chlorinators – usually placed directly into high water flow – right as it enters the basin, they can be programmed to spread only a certain quantity of bactericides at regular intervals.

In conclusion, if you remember the previously-mentioned factors, the chlorine-use basics are within your grasp. Once you’ve gathered knowledge, you can simply adjust them to your needs, for a personalized means of keeping the water crystal-like.


Final Thoughts

Best Overall : Clorox Pool&Spa 22425CLXW
Distinctly packed for quick and secure handling, Clorox Pool&Spa 22425CLXW offers large chlorine quantity to aid in lessening the amount of kelp and microorganisms present in the water. Versatile in its utilization method, it can be adapted to several pool styles, ensuring fast results with long-lasting effects.

Editor’s Choice : In The Swim 3 Inch
Used in perfect synchronicity with either normal or auto dispensers, In The Swim 3 Inch pills are separately bagged for a more secure and faster usage. They provide a durable effect, which lessens the pills used per week, whereas the high concentration will minimize fungi and microorganisms. Available in several sizes, they cater to all basin sizes.

Best Budget-friendly : Kem-Tek KTK-50-0016
If you’re on a budget yet you still wish to preserve the quality level, Kem-Tek KTK-50-0016 is a choice you should definitely consider. The 1” pills are compatible with several basin types, offering versatility, while their slow dispersion rates enhance their overall productivity. With their effects spread on an entire week, the water will remain clear for more days on end, without requiring your direct intervention.

Best for Small Pools : Clearon NAVA
Compatible with all kinds of basins, Clearon NAVA can be utilized in all styles, from small to large. Each is kept on its own, for increased safety and maneuverability, whereas the slow dispersion raises its efficiency. The high concentration will keep kelp and fungi at bay, while the no-residue effect, in addition to its ability to diminish pH levels, guarantees the water is harmless for sensitive skin and eyes.

Best for Indoor Pools : Swim Best U009050050
Swim Best U009050050 offers heavy chlorine accumulation in its composition, ensuring quick results with long-lasting effects. Compatible with several kinds of basins, the pill will purify the water, disinfecting it in the process, while removing fungi and algae already present. Its utilization versatility makes it a great choice for both types of water maintenance, regular or shock treatment, while the safe packaging offers no risks in handling them.

Best for Above-ground Pools : Star Plus 50 Pound
Highly compatible with a large array of basin types, Star Plus 50 Pound pills offer a varied way in which they can preserve the water crystal-like. Compatible with skimmers, feeders in addition to floaters, they can be utilized as a cleansing-starter procedure for newly-installed pools, for regular water maintenance, or super-shocks. The lasting effect will span on days, keeping microorganisms and fungi at bay, with no after-residue remaining, guaranteeing the water is gentle with sensitive skin and hair.

Best for Large Pools : Pool Brand 3-inch
Pool Brand 3-inch is an ideal choice if the swimming basin is large-scaled. The active main ingredient is in high concentration, which offers large amounts of available chlorine to fight against fungi and microbes. The delayed dissipation rate enhances the overall result, as will prolong the after-effects through days to come, preserving the water’s cleanness, with no residue.

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