Top 10 Pool Shock Chlorine – Swimming Pool Clarifiers & Enzymes

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1. HTH

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

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HTH #ad - 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.

Compatibility: effective for all swimming pool types including pools with liners and Gunite pools, and saltwater pool systems. 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. Use: apply directly to pool water as needed; Test pool water and shock weekly to keep free available chlorine levels between 1 and 4ppm. Includes: twelve 1-lb bags of shock treatment for your swimming pool.
BrandHTH #ad
ManufacturerInnovative Water Care #ad
Height10 Inches
Length7 Inches
Weight12 Pounds
Width10.5 Inches
Part Number52026
Model52026

2. HTH

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HTH 52023 Super Shock Treatment Swimming Pool Chlorine Cleaner, 1 lb Pack of 6

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HTH #ad - Compatibility: effective for all swimming pool types including pools with liners and Gunite pools, and saltwater pool systems. Use: apply directly to pool water as needed; Test pool water and shock weekly to keep free available chlorine levels between 1 and 4ppm.

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. 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: six 1-lb bags of shock treatment for your swimming pool.
BrandHTH #ad
ManufacturerInnovative Water Care #ad
Height9.5 Inches
Length4.13 Inches
Weight1 Pounds
Width10.5 Inches
Part Number52023
Model52023

3. 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. Dosage: 1 pound per 10, 000 gallons. Main active ingredient is 68% Calcium Hypochlorite Cal-Hypo for quick sanitizing. Powerful chlorine shock treatment that is great for regular maintenance. Quickly eliminates algae, bacteria, and other harmful contaminants from your pool water.
BrandIn The Swim #ad
ManufacturerPool Solutions #ad
Height11.2 Inches
Length11.3 Inches
Weight27 Pounds
Width10.4 Inches
Part Number25266 2X12X1

4. Clorox

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6 Pack, Clorox Pool&Spa 33506CLX Pool Shock XtraBlue 6 1-lb Bags, White

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Clorox #ad - Kills bacteria. Swim-ready in 15 minutes. Reduces chlorine odor and eye irritation. Improves filter performance. Multi-functional pool shock with algae-fighting crystals. Creates crystal clear water. Won't impact pH. Kills and prevents green, black and mustard pool algae.
BrandClorox #ad
ManufacturerClorox® Pool&Spa™ #ad
Height9.25 Inches
Length4.25 Inches
Weight6 Pounds
Width8.88 Inches
Part Number33506CLX
Model33506CLX

5. DryTec

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

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

6. Zapp It

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

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

7. LEISURE POOL & SPA SUPPLY INC. LP

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12.5% Sodium Hypochlorite, 4 Gallons, Liquid Chlorine Pool Shock Case

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LEISURE POOL & SPA SUPPLY INC. LP #ad - 55852-3. Epa reg. Case 4 gallons of commercial Grade Liquid Chlorine Pool Shock! 12. 5% sodium hypochlorite, nsf 50/60 certified! Cdc approved for sanitization of Surfaces! See CDC Guidlines. No. Perfect for pressure Washers Too! Will not cloud pool. No mixing required and ready to Use! - Made in the USA.
BrandLEISURE POOL & SPA SUPPLY INC. LP #ad
ManufacturerChampion Packaging & Distribution, Inc. #ad
Height11 Inches
Length6 Inches
Weight36 Pounds
Width6 Inches

8. Clorox

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White, Clorox Pool&Spa 32312CLX Shock Plus, 12-Pound

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Clorox #ad - Easy open, easy pour bottles. Improves filter performance. Clears cloudy water and removes swimmer contaminants. 4-in-1 formula won't impact pH. Treat and swim in 15 minutes if free chlorine is between 1 to 4 ppm.
BrandClorox #ad
ManufacturerChem Lab Products, Inc. #ad
Height7.81 Inches
Length11.19 Inches
Weight12 Pounds
Width8.5 Inches
Part Number32012CLX
Model32312CLX

9. In The Swim

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In The Swim Chlorine-Free Oxidizing Pool Shock 12 x 1 Pound Bags

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In The Swim #ad - Main active ingredient is Potassium Monopersulfate and is safe to swim in just 15 minutes after use. Chlorine-free shock oxidizes and helps eliminate algae growth as well as harmful bacteria. Ideal for use with chlorine or bromine sanitized applications, weekly maintenance, and will not affect other chemical levels. Dosage: 1 pound per 10, 000 gallons. Powerful oxidizing agent that eliminates combined non-sanitizing chlorine chloramines and provides higher free chlorine levels.
BrandIn The Swim #ad
ManufacturerIn The Swim Discount Pool Supplies #ad
Height1 Inches
Length9 Inches
Weight11 Pounds
Width4 Inches
Part NumberY8210

10. Pool Essentials

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Pool Essentials Shock Treatment 6 Pack 13.4 oz Bags

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Pool Essentials #ad - Clears cloudy water and removes swimmer contaminants* * such as body oils, sweat, lotions and urine. Power_source_type: Manual. No assembly required. Fast-dissolving pool shock.
BrandPool Essentials #ad
ManufacturerPool Essentials #ad
Height9.25 Inches
Length3.38 Inches
Weight0.82 Pounds
Width9 Inches
Part Number25106ESS
Model25106ESS