Pool Shock in Pool Chemicals

Uses item details. Price when purchased online

HTH Pool Care Shock Advanced — Granules, 6 Pack (6 lb total) — Pool Shock Treatment for Weekly Pool Sanitizing $29.97 $5.00/lb

HTH Pool Care Shock Advanced — Granules, 6 Pack (6 lb total) — Pool Shock Treatment for Weekly Pool Sanitizing
Sponsored
current price $29.97
$5.00/lb
Options from $6.14

HTH Pool Care Shock Advanced — Granules, 6 Pack (6 lb total) — Pool Shock Treatment for Weekly Pool Sanitizing

4.6 out of 5 Stars. 10667 reviews
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Low stock

FROG @ease Floating System for Hot Tubs with 1 Pack of FROG Maintain - Self-Regulating Hot Tub Sanitizer - Tub Maintenance System with Sanitizing Minerals & SmartChlor Technology $63.20

FROG @ease Floating System for Hot Tubs with 1 Pack of FROG Maintain - Self-Regulating Hot Tub Sanitizer - Tub Maintenance System with Sanitizing Minerals & SmartChlor Technology
Sponsored
current price $63.20
Options from $57.95

FROG @ease Floating System for Hot Tubs with 1 Pack of FROG Maintain - Self-Regulating Hot Tub Sanitizer - Tub Maintenance System with Sanitizing Minerals & SmartChlor Technology

4.2 out of 5 Stars. 159 reviews
Free shipping, arrives in 3+ days

Doheny's Super Pool Shock, Pro-Grade 68% Cal-Hypo Granular Chlorine, Quick-Dissolving, Kills Algae & Bacteria, 12 x 1 lb Bags $49.99

Doheny's Super Pool Shock, Pro-Grade 68% Cal-Hypo Granular Chlorine, Quick-Dissolving, Kills Algae & Bacteria, 12 x 1 lb Bags
Sponsored
current price $49.99
Options from $39.99

Doheny's Super Pool Shock, Pro-Grade 68% Cal-Hypo Granular Chlorine, Quick-Dissolving, Kills Algae & Bacteria, 12 x 1 lb Bags

4.7 out of 5 Stars. 1603 reviews
Free shipping, arrives in 3+ days

500+ bought since yesterday HTH Green to Blue Pool Shock Kit — Granules (Form), 4 lb — Pool Shock Treatment for Algae Removal and Water Clarification $26.99

500+ bought since yesterday
HTH Green to Blue Pool Shock Kit — Granules (Form), 4 lb — Pool Shock Treatment for Algae Removal and Water Clarification
Sponsored
current price $26.99

HTH Green to Blue Pool Shock Kit — Granules (Form), 4 lb — Pool Shock Treatment for Algae Removal and Water Clarification

4.2 out of 5 Stars. 2382 reviews
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Low stock

HTH Pool Care Shock Advanced — Granules, 6 Pack (6 lb total) — Pool Shock Treatment for Weekly Pool Sanitizing $29.97 $5.00/lb

HTH Pool Care Shock Advanced — Granules, 6 Pack (6 lb total) — Pool Shock Treatment for Weekly Pool Sanitizing
Available in additional 3 options
current price $29.97
$5.00/lb
Options from $6.14

HTH Pool Care Shock Advanced — Granules, 6 Pack (6 lb total) — Pool Shock Treatment for Weekly Pool Sanitizing

4.6 out of 5 Stars. 10667 reviews
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Low stock

Overall pick Clorox Pool&Spa Shock XtraBlue+ Granules Swimming Pool Shock, 1lb for sanitization $6.72 42.0 ¢/oz

Overall pick
Clorox Pool&Spa Shock XtraBlue+ Granules Swimming Pool Shock, 1lb for sanitization
Available in additional 2 sizes
current price $6.72
42.0 ¢/oz
Options from $6.72 – $20.40

Clorox Pool&Spa Shock XtraBlue+ Granules Swimming Pool Shock, 1lb for sanitization

4.7 out of 5 Stars. 2013 reviews
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500+ bought since yesterday Splash Liquid Pool Shock Chlorinator 10% Sodium Hypochlorite for Algae and Bacteria Control $5.67 $5.67/gl

500+ bought since yesterday
Splash Liquid Pool Shock Chlorinator 10% Sodium Hypochlorite for Algae and Bacteria Control
Available in additional 2 options
current price $5.67
$5.67/gl
Options from $5.67 – $11.34

Splash Liquid Pool Shock Chlorinator 10% Sodium Hypochlorite for Algae and Bacteria Control

4.7 out of 5 Stars. 333 reviews
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Low stock

2K+ bought since yesterday Clorox Pool&Spa 6pk Shock Xtrablue2 $33.97 Was $37.77 35.4 ¢/oz

2K+ bought since yesterday
Clorox Pool&Spa 6pk Shock Xtrablue2
Available in additional 3 sizes
current price Now $33.97, Was $37.77
35.4 ¢/oz
Options from $33.97 – $100.00

Clorox Pool&Spa 6pk Shock Xtrablue2

4.6 out of 5 Stars. 6957 reviews
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Best seller HTH Pool Care Chlorine Shock Granules for Algae Prevention, Fast-Acting, 12 pack $43.97 22.9 ¢/oz

Best seller
HTH Pool Care Chlorine Shock Granules for Algae Prevention, Fast-Acting, 12 pack
current price $43.97
22.9 ¢/oz

HTH Pool Care Chlorine Shock Granules for Algae Prevention, Fast-Acting, 12 pack

4.6 out of 5 Stars. 521 reviews
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Free shipping, arrives Mon, Jul 20
View details for Pools, hot tubs & all the accessories
An above-ground pool with a blue and white floating chair next to two brown and white deck chairs on a patio.
Pools, hot tubs & all the accessories
Everything for warmer weather.

1K+ bought since yesterday Bluescape 1 Gallon Liquid Chlorinator Pool Shock for Bacteria and Algae Control $5.67 4.4 ¢/fl oz

1K+ bought since yesterday
Bluescape 1 Gallon Liquid Chlorinator Pool Shock for Bacteria and Algae Control
current price $5.67
4.4 ¢/fl oz

Bluescape 1 Gallon Liquid Chlorinator Pool Shock for Bacteria and Algae Control

4.6 out of 5 Stars. 103 reviews
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Delivery as soon as 26 minsPickup as soon as 4pm
Only 5 left

Leisure Time 45310 Spa Replenish Shock Oxidizer for Spas & Hot Tubs - 2 Lbs w/ QueBuy Pool Log Book $25.99

Leisure Time 45310 Spa Replenish Shock Oxidizer for Spas & Hot Tubs - 2 Lbs w/ QueBuy Pool Log Book
Sponsored
current price $25.99

Leisure Time 45310 Spa Replenish Shock Oxidizer for Spas & Hot Tubs - 2 Lbs w/ QueBuy Pool Log Book

Free shipping, arrives in 3+ days

FROG Jump Start for Hot Tubs - Start-Up Chlorine Shock Removes Organic Contaminants & Establishes Chlorine Level - Hot Tub Set Up & Treatment - 6 Pack $31.50

FROG Jump Start for Hot Tubs - Start-Up Chlorine Shock Removes Organic Contaminants & Establishes Chlorine Level - Hot Tub Set Up & Treatment - 6 Pack
Sponsored
current price $31.50
Options from $5.25

FROG Jump Start for Hot Tubs - Start-Up Chlorine Shock Removes Organic Contaminants & Establishes Chlorine Level - Hot Tub Set Up & Treatment - 6 Pack

Free shipping, arrives in 3+ days

HTH Pool Care Chlorine Shock Treatment, Pool Chemical Shock, Granules, 5 lb, for Weekly Pool Chlorination $44.95

HTH Pool Care Chlorine Shock Treatment, Pool Chemical Shock, Granules, 5 lb, for Weekly Pool Chlorination
current price $44.95
+$4.48 shipping

HTH Pool Care Chlorine Shock Treatment, Pool Chemical Shock, Granules, 5 lb, for Weekly Pool Chlorination

4.7 out of 5 Stars. 279 reviews
Shipping, arrives in 3+ days

Clorox Pool&Spa Shock Xtra Blue Pool Shock for Swimming Pools $89.95

Clorox Pool&Spa Shock Xtra Blue Pool Shock for Swimming Pools
Available in additional 3 sizes
current price $89.95
Options from $48.50

Clorox Pool&Spa Shock Xtra Blue Pool Shock for Swimming Pools

4.4 out of 5 Stars. 917 reviews
Free shipping, arrives in 3+ days
View details for Pool protection plans
Pool protection plans
Pool protection plans
Don't let a breakdown stop the party.

500+ bought since yesterday HTH Green to Blue Pool Shock Kit — Granules (Form), 4 lb — Pool Shock Treatment for Algae Removal and Water Clarification $26.99

500+ bought since yesterday
HTH Green to Blue Pool Shock Kit — Granules (Form), 4 lb — Pool Shock Treatment for Algae Removal and Water Clarification
current price $26.99

HTH Green to Blue Pool Shock Kit — Granules (Form), 4 lb — Pool Shock Treatment for Algae Removal and Water Clarification

4.2 out of 5 Stars. 2382 reviews
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Delivery as soon as 26 minsShipping, arrives todayPickup as soon as 4pm
Low stock

In The Swim Pool Shock – 68% Cal-Hypo Granular Sanitizer for Crystal Clear Water – Defends Against Bacteria, Algae, and Microorganisms - 24 X 1 Pound See price in cart

In The Swim Pool Shock – 68% Cal-Hypo Granular Sanitizer for Crystal Clear Water – Defends Against Bacteria, Algae, and Microorganisms - 24 X 1 Pound
Available in additional 5 sizes
See price in cart

In The Swim Pool Shock – 68% Cal-Hypo Granular Sanitizer for Crystal Clear Water – Defends Against Bacteria, Algae, and Microorganisms - 24 X 1 Pound

4.5 out of 5 Stars. 958 reviews
Free shipping, arrives in 3+ days

Clorox Pool&Spa Shock Clear Pool Shock for Swimming Pools, 1lb $10.50 $10.50/lb

Clorox Pool&Spa Shock Clear Pool Shock for Swimming Pools, 1lb
current price $10.50
$10.50/lb

Clorox Pool&Spa Shock Clear Pool Shock for Swimming Pools, 1lb

4.9 out of 5 Stars. 129 reviews
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Shipping, arrives Mon, Jul 20

Best seller HTH Chlorine Shock — Granules, 13.3 oz — Pool Shock Treatment for Weekly Chlorination

Best seller
HTH Chlorine Shock — Granules, 13.3 oz — Pool Shock Treatment for Weekly Chlorination
Available in additional 2 sizes

HTH Chlorine Shock — Granules, 13.3 oz — Pool Shock Treatment for Weekly Chlorination

4.6 out of 5 Stars. 984 reviews
Free shipping, arrives in 3+ days

Clorox Pool&Spa Shock Clear Swimming Pool Shock Granules, 6pk $29.98 $5.00/lb

Clorox Pool&Spa Shock Clear Swimming Pool Shock Granules, 6pk
current price $29.98
$5.00/lb

Clorox Pool&Spa Shock Clear Swimming Pool Shock Granules, 6pk

4.8 out of 5 Stars. 145 reviews
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Shipping, arrives Mon, Jul 20

In 100+ people's carts (3 pack) HTH Pool Care Shock Advanced — Granules, 1 lb — Pool Shock Treatment for Weekly Use $18.42 $6.14/lb

In 100+ people's carts
(3 pack) HTH Pool Care Shock Advanced — Granules, 1 lb — Pool Shock Treatment for Weekly Use
current price $18.42
$6.14/lb

(3 pack) HTH Pool Care Shock Advanced — Granules, 1 lb — Pool Shock Treatment for Weekly Use

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Delivery as soon as 26 minsShipping, arrives todayPickup as soon as 5pm

FROG Kick-It for Swim Spas - Start-Up Chlorine Shock Removes Organic Contaminants & Establishes Chlorine Level - Swim Spa Set Up & Treatment - 2 Pack $17.90

FROG Kick-It for Swim Spas - Start-Up Chlorine Shock Removes Organic Contaminants & Establishes Chlorine Level - Swim Spa Set Up & Treatment - 2 Pack
Sponsored
current price $17.90
Options from $8.95

FROG Kick-It for Swim Spas - Start-Up Chlorine Shock Removes Organic Contaminants & Establishes Chlorine Level - Swim Spa Set Up & Treatment - 2 Pack

Free shipping, arrives in 3+ days

AquaDoc Non-Chlorine Spa Shock - Chlorine-Free Hot Tub Treatment & Oxidizer - 5lbs $59.99 Was $59.99

AquaDoc Non-Chlorine Spa Shock - Chlorine-Free Hot Tub Treatment & Oxidizer - 5lbs
Sponsored
current price $59.99, Was $59.99

AquaDoc Non-Chlorine Spa Shock - Chlorine-Free Hot Tub Treatment & Oxidizer - 5lbs

4.7 out of 5 Stars. 19 reviews
Free shipping, arrives in 3+ days

HTH Pool Care Ultra Shock Treatment Granules (Form), 1 lb Pool Shock Treatment for Weekly Use and Water Sanitizing

HTH Pool Care Ultra Shock Treatment  Granules (Form), 1 lb  Pool Shock Treatment for Weekly Use and Water Sanitizing

HTH Pool Care Ultra Shock Treatment Granules (Form), 1 lb Pool Shock Treatment for Weekly Use and Water Sanitizing

4.6 out of 5 Stars. 152 reviews
Free shipping, arrives in 3+ days

Champion Pool Shock, 12.5% Liquid Chlorinator for Swimming Pools, 1 Gallon - Fast-Acting Sodium Hypochlorite Sanitizer, Ready to Use, Non-Staining, Non-Scaling, Commercial Grade $24.99

Champion Pool Shock, 12.5% Liquid Chlorinator for Swimming Pools, 1 Gallon - Fast-Acting Sodium Hypochlorite Sanitizer, Ready to Use, Non-Staining, Non-Scaling, Commercial Grade
current price $24.99

Champion Pool Shock, 12.5% Liquid Chlorinator for Swimming Pools, 1 Gallon - Fast-Acting Sodium Hypochlorite Sanitizer, Ready to Use, Non-Staining, Non-Scaling, Commercial Grade

5 out of 5 Stars. 1 reviews
Free shipping, arrives in 3+ days

Clorox Pool&Spa Shock Clear Pool Shock for Swimming Pools, 12pk $42.26 $3.52/lb

Clorox Pool&Spa Shock Clear Pool Shock for Swimming Pools, 12pk
current price $42.26
$3.52/lb

Clorox Pool&Spa Shock Clear Pool Shock for Swimming Pools, 12pk

4.8 out of 5 Stars. 111 reviews
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Free shipping, arrives in 3+ days
Low stock

Doheny's Super Pool Shock, Pro-Grade 68% Cal-Hypo Granular Chlorine, Quick-Dissolving, Kills Algae & Bacteria, 12 x 1 lb Bags $49.99

Doheny's Super Pool Shock, Pro-Grade 68% Cal-Hypo Granular Chlorine, Quick-Dissolving, Kills Algae & Bacteria, 12 x 1 lb Bags
Available in additional 3 sizes
current price $49.99
Options from $39.99

Doheny's Super Pool Shock, Pro-Grade 68% Cal-Hypo Granular Chlorine, Quick-Dissolving, Kills Algae & Bacteria, 12 x 1 lb Bags

4.7 out of 5 Stars. 1603 reviews
Free shipping, arrives in 3+ days

Clorox Spa All-in-One Sanitizer and Shock for Spas and Hot Tubs Pool Water Balancers, 32oz for Sanitizing $24.37 76.2 ¢/oz

Clorox Spa All-in-One Sanitizer and Shock for Spas and Hot Tubs Pool Water Balancers, 32oz for Sanitizing
Available in additional 2 options
current price $24.37
76.2 ¢/oz
Options from $24.37 – $48.74

Clorox Spa All-in-One Sanitizer and Shock for Spas and Hot Tubs Pool Water Balancers, 32oz for Sanitizing

4.7 out of 5 Stars. 497 reviews
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Shipping, arrives Mon, Jul 20

HTH Drop Out Flocculant — 28 oz Liquid Pool Clarifier — Removes Fine Particles to Clear Cloudy Water $12.44 44.4 ¢/fl oz

HTH Drop Out Flocculant — 28 oz Liquid Pool Clarifier — Removes Fine Particles to Clear Cloudy Water
Available in additional 3 options
current price $12.44
44.4 ¢/fl oz
Options from $12.44 – $71.90

HTH Drop Out Flocculant — 28 oz Liquid Pool Clarifier — Removes Fine Particles to Clear Cloudy Water

4.6 out of 5 Stars. 539 reviews
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FROG @ease Floating System for Hot Tubs - Quick & Easy Self-Regulating Hot Tub Sanitizer - Tub Maintenance System with Sanitizing Minerals & SmartChlor Technology $57.95

FROG @ease Floating System for Hot Tubs - Quick & Easy Self-Regulating Hot Tub Sanitizer - Tub Maintenance System with Sanitizing Minerals & SmartChlor Technology
Available in additional 10 sizes
current price $57.95
Options from $57.95 – $152.65

FROG @ease Floating System for Hot Tubs - Quick & Easy Self-Regulating Hot Tub Sanitizer - Tub Maintenance System with Sanitizing Minerals & SmartChlor Technology

4.2 out of 5 Stars. 159 reviews
Free shipping, arrives in 3+ days

HTH Salt Shock Fast Dissolving Pool Chemical for Chlorine Generators, 3.75 lbs, 5 Pack $43.27 $8.65/ea

HTH Salt Shock Fast Dissolving Pool Chemical for Chlorine Generators, 3.75 lbs, 5 Pack
current price $43.27
$8.65/ea

HTH Salt Shock Fast Dissolving Pool Chemical for Chlorine Generators, 3.75 lbs, 5 Pack

4.7 out of 5 Stars. 31 reviews
Free shipping, arrives in 3+ days

Best seller HTH Pool Care Chlorine Shock Granules for Algae Prevention, Fast-Acting, 12 pack $43.97 22.9 ¢/oz

Best seller
HTH Pool Care Chlorine Shock Granules for Algae Prevention, Fast-Acting, 12 pack
Sponsored
current price $43.97
22.9 ¢/oz

HTH Pool Care Chlorine Shock Granules for Algae Prevention, Fast-Acting, 12 pack

4.6 out of 5 Stars. 521 reviews
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Free shipping, arrives Mon, Jul 20

Clorox Spa All-in-One Sanitizer and Shock for Spas and Hot Tubs Pool Water Balancers, 32oz for Sanitizing $24.37 76.2 ¢/oz

Clorox Spa All-in-One Sanitizer and Shock for Spas and Hot Tubs Pool Water Balancers, 32oz for Sanitizing
Sponsored
current price $24.37
76.2 ¢/oz
Options from $24.37 – $48.74

Clorox Spa All-in-One Sanitizer and Shock for Spas and Hot Tubs Pool Water Balancers, 32oz for Sanitizing

4.7 out of 5 Stars. 497 reviews
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Shipping, arrives Mon, Jul 20

Dry Tec 68% Calcium Hypochlorite Granular Swimming Pool Shock - 1 lb $15.95

Dry Tec 68% Calcium Hypochlorite Granular Swimming Pool Shock - 1 lb
Available in additional 3 sizes
current price $15.95
Options from $15.95 – $106.95

Dry Tec 68% Calcium Hypochlorite Granular Swimming Pool Shock - 1 lb

4.6 out of 5 Stars. 52 reviews
Free shipping, arrives in 3+ days

Super Shockwave $138.00

Super Shockwave
current price $138.00

Super Shockwave

Free shipping, arrives in 3+ days

(3 pack) HTH Pool Care Shock Advanced — Granules, 6 Pack (6 lb total) — Pool Shock Treatment for Weekly Pool Sanitizing $89.91 $5.00/lb

(3 pack) HTH Pool Care Shock Advanced — Granules, 6 Pack (6 lb total) — Pool Shock Treatment for Weekly Pool Sanitizing
current price $89.91
$5.00/lb

(3 pack) HTH Pool Care Shock Advanced — Granules, 6 Pack (6 lb total) — Pool Shock Treatment for Weekly Pool Sanitizing

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Delivery as soon as 26 minsFree shipping, arrives todayFree pickup as soon as 5pm

Clorox Pool&Spa Shock XtraBlue 6-in-1 Formula, 1 lb Bags, 2 Pack, (2 lb Total) $23.15

Clorox Pool&Spa Shock XtraBlue 6-in-1 Formula, 1 lb Bags, 2 Pack, (2 lb Total)
current price $23.15

Clorox Pool&Spa Shock XtraBlue 6-in-1 Formula, 1 lb Bags, 2 Pack, (2 lb Total)

4.2 out of 5 Stars. 10 reviews
Free shipping, arrives in 3+ days
Only 3 left

In The Swim Chlorine and Shock Bundle for Sanitizing Swimming Pools – Includes 50 Pound Bucket of 3 Inch Stabilized Chlorine Tablets and 25 Pound Bucket of 68% Cal-Hypo Pool Shock $264.98

In The Swim Chlorine and Shock Bundle for Sanitizing Swimming Pools – Includes 50 Pound Bucket of 3 Inch Stabilized Chlorine Tablets and 25 Pound Bucket of 68% Cal-Hypo Pool Shock
Available in additional 3 sizes
current price $264.98
Options from $204.98

In The Swim Chlorine and Shock Bundle for Sanitizing Swimming Pools – Includes 50 Pound Bucket of 3 Inch Stabilized Chlorine Tablets and 25 Pound Bucket of 68% Cal-Hypo Pool Shock

5 out of 5 Stars. 1 reviews
Free shipping, arrives in 3+ days

(3 pack) HTH Pool Care Shock Advanced — Granules, 12 Pack (1 lb each) — Pool Shock Treatment for Weekly Pool Sanitizing $137.40 Was $171.00 $3.82/lb

(3 pack) HTH Pool Care Shock Advanced — Granules, 12 Pack (1 lb each) — Pool Shock Treatment for Weekly Pool Sanitizing
current price Now $137.40, Was $171.00
$3.82/lb

(3 pack) HTH Pool Care Shock Advanced — Granules, 12 Pack (1 lb each) — Pool Shock Treatment for Weekly Pool Sanitizing

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Delivery as soon as 26 minsFree shipping, arrives todayFree pickup as soon as 5pm

Doheny's Pro-Grade Plus Pool Medic Plus | Fast Acting Water Clarifier | Quickly Remove Contaminants to Clear Cloudy Pools Fast | Safe, Simple & Effective $24.99

Doheny's Pro-Grade Plus Pool Medic Plus | Fast Acting Water Clarifier | Quickly Remove Contaminants to Clear Cloudy Pools Fast | Safe, Simple & Effective
current price $24.99

Doheny's Pro-Grade Plus Pool Medic Plus | Fast Acting Water Clarifier | Quickly Remove Contaminants to Clear Cloudy Pools Fast | Safe, Simple & Effective

5 out of 5 Stars. 1 reviews
Free shipping, arrives in 3+ days

BioGuard Burnout 73 Swimming Pool Shock, 12 lbs, (12 Pack) $119.88

BioGuard Burnout 73 Swimming Pool Shock, 12 lbs, (12 Pack)
current price $119.88

BioGuard Burnout 73 Swimming Pool Shock, 12 lbs, (12 Pack)

5 out of 5 Stars. 4 reviews
Free shipping, arrives in 3+ days

HTH Pool Care Shock Ultra Granules, 6 pack (1 lb each) Pool Shock Treatment to Sanitize and Clarify Water $62.29

HTH Pool Care Shock Ultra  Granules, 6 pack (1 lb each)  Pool Shock Treatment to Sanitize and Clarify Water
current price $62.29

HTH Pool Care Shock Ultra Granules, 6 pack (1 lb each) Pool Shock Treatment to Sanitize and Clarify Water

4.6 out of 5 Stars. 152 reviews
Free shipping, arrives in 3+ days

HTH 52044 Swimming Pool Shock Advanced and Test Strips 1 Pound (Pack of 15) $59.99 Was $79.00

HTH 52044 Swimming Pool Shock Advanced and Test Strips 1 Pound (Pack of 15)
current price Now $59.99, Was $79.00

HTH 52044 Swimming Pool Shock Advanced and Test Strips 1 Pound (Pack of 15)

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Free shipping, arrives Mon, Jul 20

BioGuard Smart Shock - 1 lb Bags - 12 Pack $119.88

BioGuard Smart Shock - 1 lb Bags - 12 Pack
current price $119.88

BioGuard Smart Shock - 1 lb Bags - 12 Pack

4.6 out of 5 Stars. 27 reviews
Free shipping, arrives in 3+ days

Doheny's Ultimate Pool Closing Kit, Winterizing Chemicals for Above Ground Pools, Inground Pools, Prevents Stains, Rust, Scale, Algae, Treats up to 7,500 Gallons $30.59

Doheny's Ultimate Pool Closing Kit, Winterizing Chemicals for Above Ground Pools, Inground Pools, Prevents Stains, Rust, Scale, Algae, Treats up to 7,500 Gallons
Available in additional 3 sizes
current price $30.59
Options from $30.59 – $61.99

Doheny's Ultimate Pool Closing Kit, Winterizing Chemicals for Above Ground Pools, Inground Pools, Prevents Stains, Rust, Scale, Algae, Treats up to 7,500 Gallons

4.7 out of 5 Stars. 1285 reviews
Free shipping, arrives in 3+ days

In The Swim Chlorine-Free Pool Shock – Quick Dissolving, Fast-Acting, Shock-Oxidizer for Swimming Pools and Spas - 6 x 1 Pound Bags Y8205 $54.99 $9.17/lb

In The Swim Chlorine-Free Pool Shock – Quick Dissolving, Fast-Acting, Shock-Oxidizer for Swimming Pools and Spas - 6 x 1 Pound Bags Y8205
Available in additional 4 options
current price $54.99
$9.17/lb
Options from $54.99 – $229.99

In The Swim Chlorine-Free Pool Shock – Quick Dissolving, Fast-Acting, Shock-Oxidizer for Swimming Pools and Spas - 6 x 1 Pound Bags Y8205

4.6 out of 5 Stars. 203 reviews
Free shipping, arrives in 3+ days

FROG Maintain for Hot Tubs - Non-Chlorine Shock for use with all Hot Tub FROG Sanitizing Systems - Single Dose Packets for Easy Hot Tub Maintenance & Treatment - 1 Pack $5.95

FROG Maintain for Hot Tubs - Non-Chlorine Shock for use with all Hot Tub FROG Sanitizing Systems - Single Dose Packets for Easy Hot Tub Maintenance & Treatment - 1 Pack
Available in additional 3 sizes
current price $5.95
Options from $5.95 – $35.70

FROG Maintain for Hot Tubs - Non-Chlorine Shock for use with all Hot Tub FROG Sanitizing Systems - Single Dose Packets for Easy Hot Tub Maintenance & Treatment - 1 Pack

4.7 out of 5 Stars. 11 reviews
Free shipping, arrives in 3+ days

FROG Jump Start for Hot Tubs - Start-Up Chlorine Shock Removes Organic Contaminants & Establishes Chlorine Level - Hot Tub Set Up & Treatment - 1 Pack $5.25

FROG Jump Start for Hot Tubs - Start-Up Chlorine Shock Removes Organic Contaminants & Establishes Chlorine Level - Hot Tub Set Up & Treatment - 1 Pack
Available in additional 6 sizes
current price $5.25
Options from $5.25 – $71.40

FROG Jump Start for Hot Tubs - Start-Up Chlorine Shock Removes Organic Contaminants & Establishes Chlorine Level - Hot Tub Set Up & Treatment - 1 Pack

Free shipping, arrives in 3+ days

Pentair IntelliChlor Power Center and IC40 Salt Water Chlorinator, Up to 40K Gallons, 1 Pack $2,599.00

Pentair IntelliChlor Power Center and IC40 Salt Water Chlorinator, Up to 40K Gallons, 1 Pack
current price $2,599.00

Pentair IntelliChlor Power Center and IC40 Salt Water Chlorinator, Up to 40K Gallons, 1 Pack

1 out of 5 Stars. 1 reviews
Free shipping, arrives in 3+ days

Clorox Pool&Spa Shock XtraBlue Pool Shock for Swimming Pools 1lbs $17.50

Clorox Pool&Spa Shock XtraBlue Pool Shock for Swimming Pools 1lbs
current price $17.50

Clorox Pool&Spa Shock XtraBlue Pool Shock for Swimming Pools 1lbs

3 out of 5 Stars. 2 reviews
Free shipping, arrives in 3+ days

Doheny’s Pool Chlorine Di-Chlor Granular Shock 25 lb 56% Stabilized Sodium Dichlor Fast Dissolving Calcium Free $154.99

Doheny’s Pool Chlorine Di-Chlor Granular Shock 25 lb 56% Stabilized Sodium Dichlor Fast Dissolving Calcium Free
Available in additional 3 sizes
current price $154.99
Options from $154.99 – $269.99

Doheny’s Pool Chlorine Di-Chlor Granular Shock 25 lb 56% Stabilized Sodium Dichlor Fast Dissolving Calcium Free

4.6 out of 5 Stars. 261 reviews
Free shipping, arrives in 3+ days

About Pool Shock in Pool Chemicals - Walmart.com

You can use pool shock to reset cloudy water and match treatment to your pool type, formula preference, and cleanup goal. You’ll find practical guidance here for chlorine-based options, non-chlorine choices, and dosage basics that fit routine care.

Choosing the right pool shock treatment

When you compare pool shock treatment options, you should start with chemical type and intended result. You’ll usually choose between chlorine-based formulas and non-chlorine formulas for different maintenance routines.

If you want strong oxidation and sanitizer support, you may consider chlorine-based treatments like calcium hypochlorite pool shock or sodium dichlor. If you want regular water refresh between heavy treatments, you may prefer a non-chlorine option.

Calcium hypochlorite pool shock often comes in granular or powder form, and you’ll typically use it for seasonal cleanups. Sodium dichlor can dissolve quickly, so you may find it helpful for fast mixing in many setups.

As you compare formulas, you should also check whether you need algae cleanup, cloudy water correction, or weekly maintenance. You’ll get an accurate match when your treatment goal guides your choice first.

  • You can choose chlorine-based shock when you need a reset after heavy pool use or stormy weather.
  • You can choose non-chlorine shock when you want routine oxidation support without the same treatment profile as chlorine formulas.
  • You can compare liquid, granular, and powder formats based on how you prefer to measure, pour, and store your treatment.
  • You can match the label’s gallons-treated guidance to your pool size for clear dosage planning.

How to compare pool shock by chemical type and format

As you narrow your options, you should compare formulation with your pool setup and liner material. You’ll often see liquid pool shock, granular shock, and powder shock listed across this category.

Liquid pool shock can simplify measuring when you want a pourable format for larger treatments. Granular and powder options can work well when you want pre-measured bags or easy storage between uses.

If you have an above-ground pool, you should check for fast dissolving pool shock and read liner guidance closely. You’ll want a formula that mixes well and suits vinyl surfaces without leaving concentrated material sitting in one area.

For inground pools, you can compare formula strength, bag count, and gallons treated per application. If you maintain a saltwater setup, you should confirm that the product is labeled for saltwater pool shock use.

Dosage matters just as much as formula, so you should check how many gallons each bag, bottle, or container treats. You’ll keep planning simple when you match your pool volume to the package directions before treatment day.

When you review calcium hypochlorite versus sodium dichlor, you should look at strength percentage and dissolving behavior. You’ll understand those technical terms when you connect them to pool size, mixing steps, and cleanup intensity.

Matching pool shock to your water issue

Your water condition should guide which pool shock option you choose and how often you use it. You can target spring pool opening shock, routine weekly care, or cleanup after cloudy water appears.

If you’re opening your pool for the season, you may want a chlorine shock to handle stale water and debris buildup. You’ll often pair that step with pool test strips to confirm your next treatment choice.

When you’re treating dull or cloudy water, you should compare labels that mention oxidation strength and fast dissolving action. You’ll usually want a formula that spreads evenly and works with your filter schedule.

If your main goal is algae cleanup, you can look for an algae killer pool shock pairing strategy on the label. You should also compare related categories like pool algaecides when you want a targeted maintenance plan.

For weekly maintenance, you may prefer a treatment schedule that fits your pool traffic and weather changes. You’ll usually need a different approach after parties, rain, windblown debris, or long periods of heat.

You can also build a complete care routine when you coordinate shock with pool chlorine, pool filters, and pool pumps. Your results stay consistent when circulation, testing, and treatment timing work together.

What to look for before you choose pool shock

Before you choose pool shock, you should confirm pool type, gallons, formula format, and treatment goal on the label. You’ll avoid guesswork when those four details line up with your maintenance routine.

Another smart step is checking whether you want single-use bags, multi-pack treatments, or larger containers for repeated care. You’ll get a clean, predictable routine when your dosage and pool setup match from the start.

FAQ

What are the main types of pool shock and when should I use each?

There are a few common types, each with typical uses:

  • Granular calcium hypochlorite: high‑strength oxidizer for routine shocking and algae treatment; often used for periodic heavy sanitizing.
  • Stabilized dichlor (granular): dissolves quickly and adds chlorine with stabilizer; useful when you want quick chlorination without raising pH too much.
  • Liquid chlorine (sodium hypochlorite): ready‑to‑use option for regular chlorination or large‑volume shocks.
  • Non‑chlorine oxidizers: oxidize contaminants without adding free chlorine; they’re often used when quick return to swimming is desired.

Choose the type based on your water issue (routine maintenance, algae, or quick oxidizing) and follow the product label for proper application.

Which pool shocks are okay to use in saltwater pools?

Some shocks are formulated for saltwater pools, but not all. The safest approach is to pick a product explicitly labeled as compatible with saltwater systems.

  • Check the product page or package for a saltwater compatibility note before buying.
  • If you have a salt chlorine generator, review the generator manufacturer’s guidance—some shock types are recommended while others may not be ideal for that system.
  • When in doubt, choose a shock that specifies use in saltwater pools and follow the label directions for dosing and circulation.

Use Walmart’s product details and filters to find shocks that list saltwater compatibility, and always follow the label for safe use and storage.