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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 - Available in 50lb buckets- 100lb option arrives as two 50lb buckets for no extra charge! Signature required at time of delivery. Fast dissolving granular formula. 70% available chlorine, Pool Shock and Super Chlorinator. 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
Model8000560

2. HTH

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HTH 52026 Super Shock Treatment Swimming Pool Chlorine Cleaner, 1 lb Pack of 12

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HTH #ad - Use: apply directly to pool water as needed; Test pool water and shock weekly to keep free available chlorine levels between 1 and 4ppm.

Benefits: increases the chlorine level in swimming pools to kill bacteria and algae to keep your pool water clear and ready for fun all season long. Includes: twelve 1-lb bags of shock treatment for your swimming pool. Compatibility: effective for all swimming pool types including pools with liners and Gunite pools, and saltwater pool systems. Features: increases chlorine levels; kills and prevents bacteria and algae; Keeps water clear; See results in 24 hours; 1 bag treats 13, 500 gallons; Won’t fade vinyl pool liners.
BrandHTH #ad
ManufacturerInnovative Water Care #ad
Height10 Inches
Length7 Inches
Weight12 Pounds
Width10.5 Inches
Part Number52026
Model52026

3. 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 - Add a 1 lb bag per 10, 000 gallons of pool water. Works best at night - maximize performance by adding this shock to your pool at night.

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. Mix before you fix - add this powder to a bucket of water before you add it to your pool. Multi-purpose - this pool shock sanitizes, clarifies, and controls algae giving your swimming pool crystal clear water. Beat the green: - kill the algae in your swimming pool by adding 2 bags of shock per 14, 000 gallons of pool water.
BrandRx Clear #ad
ManufacturerRx Clear #ad

4. Rx Clear

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Rx Clear Super Shock for Synergy Pool Systems | for Superchlorinating Pool Water and Control of Algae | 68% Calcium Hypochlorite | One Pound Bags | 24 Pack

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Rx Clear #ad - Super shock per 10, 000 gallons of pool water. Package size: 24 pack. Rx clear super Shock is compatible with Synergy pool products. Super chlorinate your pool with Super Shock to remove any chlorine demand from your pool water. Bags of Super Shock. Dosages: 1 lb. This item contains 24, 1 lb.
BrandRx Clear #ad
ManufacturerRx Clear #ad

5. Ultima

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Ultima 40542-06 T.K.O. Pool Shock, 6-Pack

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Ultima #ad - Brand: Ultima. Premium super-fast acting chlorine boost takes cloudy water and turns it clear. Extremely effective spring start-up shock treatment. 73% calcium hypochlorite.
BrandUltima #ad
ManufacturerUltima #ad
Height6 Inches
Length12 Inches
Weight6 Pounds
Width12 Inches
Part Number40542-06
Model40542-06

6. DryTec

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

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

7. Olympic

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Commercial Grade 12.5% Concentrated Strength, 1 Case, 4- Gallons of Shock-It -Liquid Chlorine Pool Shock

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Olympic #ad - 4 gallons of liquid pool shock. Ready to use, no mixing Required - Great Choice for Pool Closings. Product does Not Cloud Pool. Perfect for pressure Washing, Sanitation & Other Related Uses. Premium swimming pool shock - NSF/ANSI 60 Certified. 12. 5% commercial grade strength liquid chlorine - USA Made EPA Reg No 42177-82.
BrandOlympic #ad
ManufacturerAlliance trading inc #ad

8. Rx Clear

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Rx Clear Super Shock for Swimming Pools | Chlorinator and Algaecide | 68% Calcium Hypochlorite Shock | Kill Pool Algae for a Crystal Clear Pool | One Pound Bags | 12 Pack

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Rx Clear #ad - Pool shock treatment - rx clear’s super shock contains 68% calcium hypochlorite, yielding 65% available chlorine making this similar to Mega Shock, and pH levels giving you crystal clear water for a more enjoyable swimming experience. Due to its high percentage of chlorine, water hardness, but slightly less concentrated.

Pool chlorine shock - maintain your swimming pool or spa with reliable pool chemicals and treatment supplies that you can depend on from Rx Clear. Do not swim for 8 to 10 hours after application. The rx clear brand is the premier choice for a trusted cleaning product to keep your pool in its best shape. Works best at night - for the best results use super shock at night in order to prevent the sun from eating up the shock since it is not stabilized; it’s best to shock when the sun isn’t out for maximum performance.

Rx clear strives to provide quality products for a safer, Rx Clear does it all giving you crystal clear water that fits your needs. When it comes to correcting your swimming pool, cleaner, 000 gallons of pool water. This shock will raise your free chlorine levels, Super Shock is very effective and efficient for a quick chlorine boost. Add a 1 lbs bag per 10, 000 gallons of pool water. Mix before you fix - it is best to dilute super shock in a bucket of water before dispensing it around the pool which can prevent liner staining and cloudy water.
BrandRx Clear #ad
ManufacturerRx Clear #ad
Part NumberNaN

9. DryTec

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DryTec 1-1901-24 Calcium Hypochlorite Chlorine Shock Treatment for Swimming Pools, 24-Pack, 1-Pound

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

10. BioGuard

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BioGuard Smart Shock 1 lb 6 Pack

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BioGuard #ad - 6 pack. Bioguard’s best to kill bacteria, oxidize, buffer and clarify your water. Can be used with the 3-step or Once-A-Week 3 Step BioGuard Care System. Treat and swim in as soon as 15 minutes. Contains blue algae killing crystals.
BrandBioGuard #ad
ManufacturerBioGuard #ad
Weight6 Pounds
Part Number22947BIO
Model22947BIO