Best Chlorine Tablets for Pools Updated May 2025
Advertiser disclosure About our rankings

Join the millions that have trusted BuyersGuide.org to help them make smarter buying decisions. Let our independent expert reviews and data-driven shopping recommendations help you find the one that's right for you.

Best Chlorine Tablets for Pools
2025 Buyer's GuideUpdated May 2025
Advertiser disclosure About our rankings
Sort by:
Best Overall
Premium Pick
Popular

10.0

1

10.0

In The Swim 3 Inch Stabilized Chlorine Tablets for Sanitizing Swimming Pools - Individually Wrapped, Slow Dissolving - 90% Avai...
Functionality
Value for money
Chlorine content
Longevity
Individual wrapping
Water clarity
Save 8%
Picked by 109 people today!
Save 8%
Picked by 109 people today!
Picked by 109 people today!
Best Overall
Premium Pick
Popular

10.0

1
In The Swim 3 Inch Stabilized Chlorine Tablets for Sanitizing Swimming Pools - Individually Wrapped, Slow Dissolving - 90% Avai...
Functionality
Value for money
Chlorine content
Longevity
Individual wrapping
Water clarity
Picked by 109 people today!
Save 8%
Best Value

9.6

2

9.6

HTH 42049 Pool Care 1" Chlorine Tabs, Swimming Pool Sanitizer with Added Clarifier - Eliminates Bacteria & Algae, Makes Water C...
Works well
Value for money
Size
Longevity
Water clarity
Chlorine level
Save 37%
Save 37%
Best Value

9.6

2
HTH 42049 Pool Care 1" Chlorine Tabs, Swimming Pool Sanitizer with Added Clarifier - Eliminates Bacteria & Algae, Makes Water C...
Works well
Value for money
Size
Longevity
Water clarity
Chlorine level
Save 37%

9.1

3

9.1

PROFELIZ Chlorine Tablets 3 Inch for Swimming Pools, Kills Bacteria and Stops Algae, Slow Dissolving,Individually Wrapped,Pool ...
Chlorine content
Quality
Value for money
Protection
Breakage prevention
Ease of opening
Save 23%
Save 23%

9.1

3
PROFELIZ Chlorine Tablets 3 Inch for Swimming Pools, Kills Bacteria and Stops Algae, Slow Dissolving,Individually Wrapped,Pool ...
Chlorine content
Quality
Value for money
Protection
Breakage prevention
Ease of opening
Save 23%

8.9

4

8.9

Xtremeclear 3" Swimming Pool Chlorine Tablets 99% Pure Tri-Chlor| Long Lasting & Slow Dissolving | Pro-Grade Pool Sanitizer | 5...
Works well
Value for money
Tablet quality
Water clarity
Cleanliness
Size

8.9

4
Xtremeclear 3" Swimming Pool Chlorine Tablets 99% Pure Tri-Chlor| Long Lasting & Slow Dissolving | Pro-Grade Pool Sanitizer | 5...
Works well
Value for money
Tablet quality
Water clarity
Cleanliness
Size

8.8

5

8.8

Clorox Pool&Spa XTRABLUE 3” Chlorinating Tablets, Individually Wrapped, Kills Bacteria & Stops Algae (5 LB)
Sheerness
Easy to use
Longevity
Value for money

8.8

5
Clorox Pool&Spa XTRABLUE 3” Chlorinating Tablets, Individually Wrapped, Kills Bacteria & Stops Algae (5 LB)
Sheerness
Easy to use
Longevity
Value for money

8.7

6

8.7

Clorox® Pool&Spa™ XtraBlue 1” Swimming Pool Chlorinating Tablets, Kills Bacteria & Stops Algae, Perfect for Small Pools (5 LB)
Value for money
Effectiveness

8.7

6
Clorox® Pool&Spa™ XtraBlue 1” Swimming Pool Chlorinating Tablets, Kills Bacteria & Stops Algae, Perfect for Small Pools (5 LB)
Value for money
Effectiveness

8.6

7

8.6

PoolRX+ pool unit 7.5k-20k gallons
Functionality
Water clarity
Algae control
Cleanliness
Chlorine use
Ease of use
Save 29%
Save 29%

8.6

7
PoolRX+ pool unit 7.5k-20k gallons
Functionality
Water clarity
Algae control
Cleanliness
Chlorine use
Ease of use
Save 29%

8.5

8

8.5

C3... 3" Stabilized Chlorine Tablets for Swimming Pools | Easy to Use | for Above Ground or Inground Pool | Individually Wrappe...
Value for money
Works well

8.5

8
C3... 3" Stabilized Chlorine Tablets for Swimming Pools | Easy to Use | for Above Ground or Inground Pool | Individually Wrappe...
Value for money
Works well

8.3

9

8.3

HTH 42042 Super 3" Chlorinating Tablets Swimming Pool Chlorine, 5 lbs
Easy to use
Durability
Longevity
Value for money

8.3

9
HTH 42042 Super 3" Chlorinating Tablets Swimming Pool Chlorine, 5 lbs
Easy to use
Durability
Longevity
Value for money

8.2

10

8.2

PROFELIZ Chlorine Tablets 3 Inch for Swimming Pools, Kills Bacteria and Stops Algae, Slow Dissolving,Exclusive Protective Packa...
Chlorine content
Quality
Value for money
Protection
Ease of opening
Ease of use
Save 15%
Save 15%

8.2

10
PROFELIZ Chlorine Tablets 3 Inch for Swimming Pools, Kills Bacteria and Stops Algae, Slow Dissolving,Exclusive Protective Packa...
Chlorine content
Quality
Value for money
Protection
Ease of opening
Ease of use
Save 15%

Our Top Choice

Best Overall
Premium Pick
Popular

10.0

1

10.0

In The Swim 3 Inch Stabilized Chlorine Tablets for Sanitizing Swimming Pools - Individually Wrapped, Slow Dissolving - 90% Avai...
Functionality
Value for money
Chlorine content
Longevity
Individual wrapping
Water clarity
Save 8%
Picked by 109 people today!
Save 8%
Picked by 109 people today!
Picked by 109 people today!
Best Overall
Premium Pick
Popular

10.0

1
In The Swim 3 Inch Stabilized Chlorine Tablets for Sanitizing Swimming Pools - Individually Wrapped, Slow Dissolving - 90% Avai...
Functionality
Value for money
Chlorine content
Longevity
Individual wrapping
Water clarity
Picked by 109 people today!
Save 8%
Related Categories
3-Inch Chlorine TabletPool ClarifierPool AlgaecideBromine Spa TabletPool ShockNon-Chlorine Shock
How We Rank
Expert Analysis
Our team of experts highlights useful information so you can easily compare products to find the one that's right for you.

Award-Winning Tech
Our technology analyzes thousands of purchase trends to bring you the top product recommendations.

Why Trust Our Reviews?
1,000,000+ shoppers use Buyer's Guide every week to find the best products and services online.

Learn more about our rankings.

Reliable, Safe & Secure
Helping millions of users make smarter purchases online.
Related Categories
3-Inch Chlorine TabletPool ClarifierPool AlgaecideBromine Spa TabletPool ShockNon-Chlorine Shock
Related Categories
3-Inch Chlorine TabletPool ClarifierPool AlgaecideBromine Spa TabletPool ShockNon-Chlorine Shock