Pool Shock in Pool Chemicals

Uses item details. Price when purchased online

Best seller HTH Pool Care Shock Advanced — Granules, 1 lb — Pool Shock Treatment for Weekly Use $6.14 $6.14/lb

Best seller
HTH Pool Care Shock Advanced — Granules, 1 lb — Pool Shock Treatment for Weekly Use
Sponsored
current price $6.14
$6.14/lb
Options from $6.14 – $36.16

HTH Pool Care Shock Advanced — Granules, 1 lb — Pool Shock Treatment for Weekly Use

4.6 out of 5 Stars. 9672 reviews
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Pickup as soon as 6pm

Doheny's 68% Cal-Hypo Pool Shock, Fast-Dissolving Granular Chlorine, 12 x 1 lb Bags $49.99

Doheny's 68% Cal-Hypo Pool Shock, Fast-Dissolving Granular Chlorine, 12 x 1 lb Bags
Sponsored
current price $49.99
Options from $39.99

Doheny's 68% Cal-Hypo Pool Shock, Fast-Dissolving Granular Chlorine, 12 x 1 lb Bags

4.7 out of 5 Stars. 1558 reviews
Free shipping, arrives Wed, Jul 1

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

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. 470 reviews
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Free shipping, arrives Tue, Jun 30

HTH Pool Care Chlorine Shock — Granules, 6 Pack (13.3 oz each) — Pool Shock Treatment for Weekly Use $26.96 33.8 ¢/oz

HTH Pool Care Chlorine Shock — Granules, 6 Pack (13.3 oz each) — Pool Shock Treatment for Weekly Use
Sponsored
current price $26.96
33.8 ¢/oz

HTH Pool Care Chlorine Shock — Granules, 6 Pack (13.3 oz each) — Pool Shock Treatment for Weekly Use

4.6 out of 5 Stars. 930 reviews
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Shipping arrives Tue, Jun 30

HTH Pool Care Shock Advanced — Granules, 6 Pack (6 lb total) — Pool Shock Treatment for Weekly Pool Sanitizing $22.90 Was $29.99 $3.82/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 Now $22.90, Was $29.99
$3.82/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. 9672 reviews
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Best seller Splash Liquid Pool Shock Chlorinator 10% Sodium Hypochlorite for Algae and Bacteria Control $5.67 $5.67/gl

Best seller
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. 307 reviews
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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 – $23.25

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

4.7 out of 5 Stars. 1812 reviews
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Rollback Clorox Pool&Spa 6pk Shock Xtrablue2 $33.97 Was $37.77 35.4 ¢/oz

Rollback
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. 6372 reviews
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Best seller Bluescape 1 Gallon Liquid Chlorinator Pool Shock for Bacteria and Algae Control $5.67 4.4 ¢/fl oz

Best seller
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

4.7 out of 5 Stars. 49 reviews
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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.

HTH Pool Care Chlorine Shock — Granules, 6 Pack (13.3 oz each) — Pool Shock Treatment for Weekly Use $26.96 33.8 ¢/oz

HTH Pool Care Chlorine Shock — Granules, 6 Pack (13.3 oz each) — Pool Shock Treatment for Weekly Use
current price $26.96
33.8 ¢/oz

HTH Pool Care Chlorine Shock — Granules, 6 Pack (13.3 oz each) — Pool Shock Treatment for Weekly Use

4.6 out of 5 Stars. 930 reviews
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Shipping arrives Tue, Jun 30

Best seller HTH Green to Blue Pool Shock Kit — Granules (Form), 4 lb — Pool Shock Treatment for Algae Removal and Water Clarification $26.99

Best seller
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. 2217 reviews
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Pickup as soon as 6pm
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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. 483 reviews
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HTH Pool Care Chlorine Shock Granules for Algae Prevention, Fast-Acting, 12 pack $43.97 22.9 ¢/oz

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. 470 reviews
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Free shipping, arrives Tue, Jun 30

Best seller HTH Green to Blue Pool Shock Kit — Granules (Form), 4 lb — Pool Shock Treatment for Algae Removal and Water Clarification $26.99

Best seller
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. 2217 reviews
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In The Swim Pool Shock 68% Cal-Hypo Granular Sanitizer for Crystal Clear Water Defends Against Bacteria, Algae, and Microorganisms- 24 X 1 Pound 25266 2X12X1 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 25266 2X12X1
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 25266 2X12X1

4.5 out of 5 Stars. 929 reviews
Free shipping, arrives in 3+ days

HTH Pool Care Chlorine Shock Treatment, Pool Chemical Shock, Granules, 5 lb, for Weekly Pool Chlorination $28.04 $5.61/lb

HTH Pool Care Chlorine Shock Treatment, Pool Chemical Shock, Granules, 5 lb, for Weekly Pool Chlorination
current price $28.04
$5.61/lb

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

4.7 out of 5 Stars. 271 reviews
Pickup as soon as 6pm

Best seller HTH Chlorine Shock — Granules, 13.3 oz — Pool Shock Treatment for Weekly Chlorination $3.97 29.8 ¢/oz

Best seller
HTH Chlorine Shock — Granules, 13.3 oz — Pool Shock Treatment for Weekly Chlorination
Available in additional 2 sizes
current price $3.97
29.8 ¢/oz
Options from $3.97 – $69.99

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

4.6 out of 5 Stars. 930 reviews
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Only 3 left

Clorox Pool&Spa Shock XtraBlue Shock Pool Chemical Type Form for Swimming Pools $52.95

Clorox Pool&Spa Shock XtraBlue Shock Pool Chemical Type Form for Swimming Pools
Available in additional 3 sizes
current price $52.95
Options from $52.95 – $89.95

Clorox Pool&Spa Shock XtraBlue Shock Pool Chemical Type Form for Swimming Pools

4.4 out of 5 Stars. 917 reviews
Free shipping, arrives in 3+ days

(3 pack) HTH Pool Care Shock Advanced — Granules, 1 lb — Pool Shock Treatment for Weekly Use $18.42 $6.14/lb

(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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Doheny's 68% Cal-Hypo Pool Shock, Fast-Dissolving Granular Chlorine, 12 x 1 lb Bags $49.99

Doheny's 68% Cal-Hypo Pool Shock, Fast-Dissolving Granular Chlorine, 12 x 1 lb Bags
Available in additional 3 sizes
current price $49.99
Options from $39.99

Doheny's 68% Cal-Hypo Pool Shock, Fast-Dissolving Granular Chlorine, 12 x 1 lb Bags

4.7 out of 5 Stars. 1558 reviews
Free shipping, arrives Wed, Jul 1

SpaGuard Enhanced Shock (2 lb) (2) $43.98

SpaGuard Enhanced Shock (2 lb) (2)
Sponsored
current price $43.98

SpaGuard Enhanced Shock (2 lb) (2)

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

HTH Pool Care Chlorine Shock Treatment, Pool Chemical Shock, Granules, 5 lb, for Weekly Pool Chlorination $28.04 $5.61/lb

HTH Pool Care Chlorine Shock Treatment, Pool Chemical Shock, Granules, 5 lb, for Weekly Pool Chlorination
Sponsored
current price $28.04
$5.61/lb

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

4.7 out of 5 Stars. 271 reviews
Pickup as soon as 6pm

Clorox Pool&Spa Shock Clear Pool Shock for Swimming Pools, 12pk $42.26 Was $55.99 $3.52/lb

Clorox Pool&Spa Shock Clear Pool Shock for Swimming Pools, 12pk
current price Now $42.26, Was $55.99
$3.52/lb

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

4.9 out of 5 Stars. 103 reviews
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Free shipping, arrives Tue, Jun 30

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 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. 133 reviews
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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

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. 483 reviews
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Shipping arrives Tue, Jun 30

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

HTH Spa Care EcoPod Non-Chlorine Oxidizer - Effervescent Water Treatment Pods, 2 lb $23.57 73.7 ¢/oz

HTH Spa Care EcoPod Non-Chlorine Oxidizer - Effervescent Water Treatment Pods, 2 lb
current price $23.57
73.7 ¢/oz

HTH Spa Care EcoPod Non-Chlorine Oxidizer - Effervescent Water Treatment Pods, 2 lb

4.9 out of 5 Stars. 36 reviews
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JJJACHLOR Non-Chlorine Pool Shock 10 lbs, Quick Dissolving & Fast-Acting Shock-Oxidizer for Swimming Pools, Spas, Salt Chlorinated Pools $59.99

JJJACHLOR Non-Chlorine Pool Shock  10 lbs, Quick Dissolving & Fast-Acting Shock-Oxidizer for Swimming Pools, Spas, Salt Chlorinated Pools
current price $59.99

JJJACHLOR Non-Chlorine Pool Shock 10 lbs, Quick Dissolving & Fast-Acting Shock-Oxidizer for Swimming Pools, Spas, Salt Chlorinated Pools

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 - 12 Pack $71.40

FROG Jump Start for Hot Tubs - Start-Up Chlorine Shock Removes Organic Contaminants & Establishes Chlorine Level - Hot Tub Set Up & Treatment - 12 Pack
Sponsored
current price $71.40

FROG Jump Start for Hot Tubs - Start-Up Chlorine Shock Removes Organic Contaminants & Establishes Chlorine Level - Hot Tub Set Up & Treatment - 12 Pack

Free shipping, arrives Wed, Jul 1

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

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

5 out of 5 Stars. 5 reviews
Free shipping, arrives Wed, Jul 1

In The Swim Pool Closing Kit and Winter Pill Bundle - Winterizing Chemicals for Above Ground and In-Ground Pools - Up to 35,000 Gallons KWS350001AE_ITS $85.99

In The Swim Pool Closing Kit and Winter Pill Bundle - Winterizing Chemicals for Above Ground and In-Ground Pools - Up to 35,000 Gallons KWS350001AE_ITS
Available in additional 4 sizes
current price $85.99
Options from $57.99

In The Swim Pool Closing Kit and Winter Pill Bundle - Winterizing Chemicals for Above Ground and In-Ground Pools - Up to 35,000 Gallons KWS350001AE_ITS

Free shipping, arrives in 3+ days

In The Swim Weekly Clear Pool Care Kit – Easy 4-Step Pool Cleaning Bundle with Chlorine Tabs, Algae Preventer, Shock & Clarifier – Keep Your Pool Sparkling - Starter WCPC_Starter $127.26

In The Swim Weekly Clear Pool Care Kit – Easy 4-Step Pool Cleaning Bundle with Chlorine Tabs, Algae Preventer, Shock & Clarifier – Keep Your Pool Sparkling - Starter WCPC_Starter
Available in additional 3 sizes
current price $127.26
Options from $127.26 – $319.16

In The Swim Weekly Clear Pool Care Kit – Easy 4-Step Pool Cleaning Bundle with Chlorine Tabs, Algae Preventer, Shock & Clarifier – Keep Your Pool Sparkling - Starter WCPC_Starter

Free shipping, arrives in 3+ days

Aqua-Org Plus Calcium Hypochlorite Chlorinating Shock Treatment for Swimming Pools, 24 Pack, 1lb $79.95

Aqua-Org Plus Calcium Hypochlorite Chlorinating Shock Treatment for Swimming Pools, 24 Pack, 1lb
Available in additional 4 sizes
current price $79.95
Options from $79.95 – $169.00

Aqua-Org Plus Calcium Hypochlorite Chlorinating Shock Treatment for Swimming Pools, 24 Pack, 1lb

4.1 out of 5 Stars. 83 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 $89.99

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

4.5 out of 5 Stars. 257 reviews
Free shipping, arrives in 3+ days

In The Swim Spa & Hot Tub Care Chlorine-Free, Odor-Reducing Shock-Oxidizer for Spas and Hot Tubs - 2 Pounds for Fresh, Invigorating Water F124002024AE $21.99 Was $25.99

In The Swim Spa & Hot Tub Care Chlorine-Free, Odor-Reducing Shock-Oxidizer for Spas and Hot Tubs - 2 Pounds for Fresh, Invigorating Water F124002024AE
current price Now $21.99, Was $25.99

In The Swim Spa & Hot Tub Care Chlorine-Free, Odor-Reducing Shock-Oxidizer for Spas and Hot Tubs - 2 Pounds for Fresh, Invigorating Water F124002024AE

4.4 out of 5 Stars. 8 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. 122 reviews
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PoolRx+ red & white 2.5k-5k gallons

PoolRx+ red & white 2.5k-5k gallons

PoolRx+ red & white 2.5k-5k gallons

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

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

4.7 out of 5 Stars. 47 reviews
Free shipping, arrives in 3+ days

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 – $71.80

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

4.5 out of 5 Stars. 498 reviews
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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 - 6 Pack $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 - 6 Pack
current price $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 - 6 Pack

4.8 out of 5 Stars. 9 reviews
Free shipping, arrives Wed, Jul 1

Refresh 68% Calcium Hypochlorite Granular Chlorine, 25 lb $139.99

Refresh 68% Calcium Hypochlorite Granular Chlorine, 25 lb
current price $139.99

Refresh 68% Calcium Hypochlorite Granular Chlorine, 25 lb

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

Arch Chemicals Leisure Time Renew Non Chlorine Shock for Spas and Hot Tubs, 2.2 Pounds $27.26 Was $32.45 $12.39/oz

Arch Chemicals Leisure Time Renew Non Chlorine Shock for Spas and Hot Tubs, 2.2 Pounds
current price Now $27.26, Was $32.45
$12.39/oz

Arch Chemicals Leisure Time Renew Non Chlorine Shock for Spas and Hot Tubs, 2.2 Pounds

4.8 out of 5 Stars. 29 reviews
Free shipping, arrives Wed, Jul 1

Clorox Pool&Spa Shock XtraBlue 6-in-1 Formula, 1 lb Bags, 2 Pack, (2 lb Total) $22.88

Clorox Pool&Spa Shock XtraBlue 6-in-1 Formula, 1 lb Bags, 2 Pack, (2 lb Total)
current price $22.88

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

4 out of 5 Stars. 8 reviews
Free shipping, arrives in 3+ days

In The Swim Spa and Hot Tub Maintenance Kit and Sodium Dichlor Chlorine Shock-Oxidizer Bundle – All-in-One Solution for Sanitizing Spa and Hot Tubs KSPAMNT01AZ_SodDi $100.00

In The Swim Spa and Hot Tub Maintenance Kit and Sodium Dichlor Chlorine Shock-Oxidizer Bundle – All-in-One Solution for Sanitizing Spa and Hot Tubs KSPAMNT01AZ_SodDi
Available in additional 2 sizes
current price $100.00

In The Swim Spa and Hot Tub Maintenance Kit and Sodium Dichlor Chlorine Shock-Oxidizer Bundle – All-in-One Solution for Sanitizing Spa and Hot Tubs KSPAMNT01AZ_SodDi

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

Sirona Spa Care Activate Granular ( 5 lb ) $66.49

Sirona Spa Care Activate Granular ( 5 lb )
current price $66.49

Sirona Spa Care Activate Granular ( 5 lb )

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

No Mor Problems $45.98

No Mor Problems
Available in additional 3 sizes
current price $45.98
Options from $45.98 – $203.88

No Mor Problems

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

In The Swim Shock and Chlorine Bundle for Sanitizing Swimming Pools – Includes 12 x 1 Pound Bags of 68% Cal-Hypo Pool Shock and 25 Pound Bucket of 3 Inch Stabilized Chlorine Tablets ITS_25235 12X1 $144.98

In The Swim Shock and Chlorine Bundle for Sanitizing Swimming Pools – Includes 12 x 1 Pound Bags of 68% Cal-Hypo Pool Shock and  25 Pound Bucket of 3 Inch Stabilized Chlorine Tablets ITS_25235 12X1
Available in additional 3 sizes
current price $144.98
Options from $144.98 – $199.98

In The Swim Shock and Chlorine Bundle for Sanitizing Swimming Pools – Includes 12 x 1 Pound Bags of 68% Cal-Hypo Pool Shock and 25 Pound Bucket of 3 Inch Stabilized Chlorine Tablets ITS_25235 12X1

5 out of 5 Stars. 1 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.