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1. Zapp It

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Calcium Hypochlorite Super Shock 50lb, Zappit 73% Cal Hypo Pool Shock

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Zapp It #ad - 70% available chlorine, Pool Shock and Super Chlorinator. Fast dissolving granular formula. Signature required at time of delivery. 1 lb will provide 2ppm of available chlorine in 40, 000 gallon pool.
BrandZapp It #ad
Height12.8 Inches
Length18.8 Inches
Weight50 Pounds
Width12.8 Inches
Part Number8000560

2. BioGuard

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BioGuard Burnout 73 1 lb 6 Pack

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BioGuard #ad - Powerful calcium Hypochlorite Pool Shock. 6 pack. Bioguards Stronges Shock. 1 lb treats 16, 500 gallons of water.
BrandBioGuard #ad
ManufacturerBioGuard #ad
Weight6 Pounds

3. DryTec

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24-Pack, DryTec 23224-24 Extra Treatment Pool Shock

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DryTec #ad - Clarifies pool water. Chlorine pool shock, 73% calcium hypochlorite. Super chlorinates pool water. Prevents algae growth.
BrandDryTec #ad
ManufacturerDry Tec #ad
Height10 Inches
Length12 Inches
Weight24 Pounds
Width14 Inches
Part Number23224-24
Model23224-24

4. Rx Clear

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Rx Clear Mega Shock | 73% Calcium Hypochlorite | Kills Algae in Swimming Pools | Works As Pool Sanitizer Clarifier and Algicide | One Pound Bags | 6 Pack

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Rx Clear #ad - Works best at night - maximize performance by adding this shock to your pool at night. Multi-purpose - this pool shock sanitizes, clarifies, and controls algae giving your swimming pool crystal clear water.

Mix before you fix - add this powder to a bucket of water before you add it to your pool. Beat the green: - kill the algae in your swimming pool by adding 2 bags of shock per 14, 000 gallons of pool water. Wait to swim 8 to 10 hours after application. Incredibly strong - due to its high percentage of chlorine, Mega Shock is very effective and efficient for a quick chlorine boost. Add a 1 lb bag per 10, 000 gallons of pool water.
BrandRx Clear #ad
ManufacturerRx Clear #ad

5. Ultima

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Ultima 40542 T.K.O. Chlorinating Shock Treatment for Swimming Pools, 1-Pound

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Ultima #ad - Item weight: 1. 0 lbs. Brand: Ultima. Premium super-fast acting chlorine boost takes cloudy water and turns it clear. 73% calcium Hypochlorite.
BrandUltima #ad
ManufacturerRobelle Industries #ad
Height2 Inches
Length12 Inches
Weight14 Pounds
Width3 Inches
Part Number40542
Model40542

6. In The Swim

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In The Swim Calcium Hypochlorite Chlorine Granular Pool Shock, 50 Pounds

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In The Swim #ad - 65% available Chlorine 35% Calcium. Non-stabilized formula is ideal for super shocking or everyday use. Note: this item cannot be shipped to Alaska or Hawaii item will be removed from your order. Note: you must be present to sign for delivery of this item. Must pre-dissolve/dilute to prevent bleaching of the liner.
BrandIn The Swim #ad
ManufacturerIn The Swim #ad
Height13 Inches
Length21 Inches
Weight50 Pounds
Width13 Inches
Part Number25230

7. DryTec

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1-Pound Pack of 24, DryTec Calcium Hypochlorite Chlorinating Shock Treatment for Swimming Pools

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DryTec #ad - 24 bags 1-pound each. Recommended dosage: 1 pound per 10, 000 gallons of water. Kills bacteria, controls algae, and destroys organic contaminants in pools. 68% calcium hypochlorite. Fast-acting quick-Dissolving Swimming Pool Sanitizer.
BrandDryTec #ad
ManufacturerRobelle Industries #ad
Height6 Inches
Length24 Inches
Weight24 Pounds
Width12 Inches
Part Number1-1901--24
Model1-1901--24

8. DryTec

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1-Pound, Dry Tec 1-1901-12 Calcium Hypochlorite Chlorinating Shock Treatment for Swimming Pools, 12-Pack

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DryTec #ad - Fast-acting quick-Dissolving Swimming Pool Sanitizer. Recommended dosage: 1 pound per 10, 000 gallons of water. Kills bacteria, controls algae, and destroys organic contaminants in pools. 68% calcium hypochlorite. 12 bags 1-pound each.
BrandDryTec #ad
ManufacturerDry Tec #ad
Height7 Inches
Length12 Inches
Weight12 Pounds
Width12 Inches
Part Number1-1901--12
Model1-1901--12

9. In The Swim

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6 X 1 Pound Bags, In The Swim Chlorine Pool Shock

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In The Swim #ad - Powerful chlorine shock treatment that is great for regular maintenance. This product can only be shipped within the 48 contiguous states. Quickly eliminates algae, bacteria, and other harmful contaminants from your pool water. Special shipping information: this product may not be available for 1 or 2 day shipping due to federal regulations that require it to ship via ground ship methods only. Dosage: 1 pound per 10, 000 gallons. Main active ingredient is 68% Calcium Hypochlorite Cal-Hypo for quick sanitizing.
BrandIn The Swim #ad
ManufacturerIn The Swim #ad
Height4.7 Inches
Length10.3 Inches
Weight6.72 Pounds
Width8.4 Inches
Part Number25234 6X1

10. In The Swim

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24 X 1 Pound Bags, In The Swim Chlorine Pool Shock

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In The Swim #ad - Special shipping information: this product may not be available for 1 or 2 day shipping due to federal regulations that require it to ship via ground ship methods only. This product can only be shipped within the 48 contiguous states. Powerful chlorine shock treatment that is great for regular maintenance. Main active ingredient is 68% Calcium Hypochlorite Cal-Hypo for quick sanitizing. Quickly eliminates algae, bacteria, and other harmful contaminants from your pool water. Dosage: 1 pound per 10, 000 gallons.
BrandIn The Swim #ad
ManufacturerPool Solutions #ad
Height11.3 Inches
Length11.3 Inches
Weight27 Pounds
Width10.4 Inches
Part Number25266 2X12X1