Best Pool Clarifiers Updated May 2025

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Best Pool Clarifiers
2025 Buyer's GuideUpdated May 2025
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10.0

1

10.0

GLB 71205-SP-02BX Super Blue Pool Clarifier, 64-Ounces (Packaging May Vary)
Water clarity
Functionality
Clarifier quality
Value for money
Ease of use
Taste
Picked by 240 people this week!
Picked by 240 people this week!

10.0

1
GLB 71205-SP-02BX Super Blue Pool Clarifier, 64-Ounces (Packaging May Vary)
Water clarity
Functionality
Clarifier quality
Value for money
Ease of use
Taste

9.7

2

9.7

HTH 42047 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

9.7

2
HTH 42047 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

9.5

3

9.5

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

9.5

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

9.4

4

9.4

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

9.4

4
PoolRX+ pool unit 7.5k-20k gallons
Functionality
Water clarity
Algae control
Cleanliness
Chlorine use
Ease of use

9.3

5

9.3

HTH 52036R Pool Care Shock Advanced, Swimming Pool Chemical - Cal Hypo Formula, Prevents Bacteria & Algae, Restores Crystal Cle...
Works well
Value for money
Quality
Cleanliness
Shock quality
Ease of use

9.3

5
HTH 52036R Pool Care Shock Advanced, Swimming Pool Chemical - Cal Hypo Formula, Prevents Bacteria & Algae, Restores Crystal Cle...
Works well
Value for money
Quality
Cleanliness
Shock quality
Ease of use

9.2

6

9.2

In The Swim Super Clarifier – Highly Concentrated Pool Water Clarifier for Sand & Cartridge Filters - 1 Quart
Works well
Water clarity
Value for money
Sparkle

9.2

6
In The Swim Super Clarifier – Highly Concentrated Pool Water Clarifier for Sand & Cartridge Filters - 1 Quart
Works well
Water clarity
Value for money
Sparkle

9.0

7

9.0

Spa Clarifier & Hot Tub Clarifier for Fast Acting Cloudy Water Treatment, The Spa Clarifier Hot Tub Owners Love, Use Our Hot Tu...
Water clarity
Works well
Quality
Value for money
Ease of use
Cloudiness

9.0

7
Spa Clarifier & Hot Tub Clarifier for Fast Acting Cloudy Water Treatment, The Spa Clarifier Hot Tub Owners Love, Use Our Hot Tu...
Water clarity
Works well
Quality
Value for money
Ease of use
Cloudiness

8.9

8

8.9

HTH 42052W Pool Care 3" Chlorine Tabs Advanced, Individually Wrapped Tablets - Swimming Pool Sanitizer with Clarifier & Algaeci...
Works well
Value for money
Sanitization
Chlorine level
Individual wrapping
Longevity

8.9

8
HTH 42052W Pool Care 3" Chlorine Tabs Advanced, Individually Wrapped Tablets - Swimming Pool Sanitizer with Clarifier & Algaeci...
Works well
Value for money
Sanitization
Chlorine level
Individual wrapping
Longevity

8.8

9

8.8

HTH 67067 Swimming Pool Care Clarifier Advanced - Crystal Clear Water in 24 Hours
Works well
Water clarity
Clarity
Cleanliness
Pool clarity
Value for money

8.8

9
HTH 67067 Swimming Pool Care Clarifier Advanced - Crystal Clear Water in 24 Hours
Works well
Water clarity
Clarity
Cleanliness
Pool clarity
Value for money

8.7

10

8.7

Natural Chemistry Pool Perfect + Phosfree, 3-Liter (1-Pack)
Works well
Water clarity
Value for money
Algae control
Cleanliness
Pool water quality

8.7

10
Natural Chemistry Pool Perfect + Phosfree, 3-Liter (1-Pack)
Works well
Water clarity
Value for money
Algae control
Cleanliness
Pool water quality

Our Top Choice

10.0

1

10.0

GLB 71205-SP-02BX Super Blue Pool Clarifier, 64-Ounces (Packaging May Vary)
Water clarity
Functionality
Clarifier quality
Value for money
Ease of use
Taste
Picked by 240 people this week!
Picked by 240 people this week!

10.0

1
GLB 71205-SP-02BX Super Blue Pool Clarifier, 64-Ounces (Packaging May Vary)
Water clarity
Functionality
Clarifier quality
Value for money
Ease of use
Taste