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The Best Zappit 73 Pool Shock of 2023 – Reviewed and Top Rated

2,039 Reviews Scanned

Rank No. #1
Zappit 73% Cal Hypo Pool Shock - Calcium Hypochlorite Super Shock 50lb
  • Pool Shock and Super Chlorinator
  • 70% available chlorine, Pool Shock and Super Chlorinator
  • Fast dissolving granular formula
  • 1 lb will provide 2ppm of available chlorine in 40,000 gallon pool
  • Kills 99.9% of bacteria or algae
Rank No. #2
DryTec 1-1901-24 Calcium Hypochlorite Pool Shock, 1-Pound, 24-Pack
  • One bag of this product per 10,000 gallons of water
  • Adjust and maintain pH at 7.2-7.6
  • Maintain total alkalinity in the range of 60 to 120
  • One bag of this product per 10,000 gallons of water provides 5 to 10 ppm available chlorine
Rank No. #3
Rx Clear Mega Shock | 73% Calcium Hypochlorite | Kills Algae in Swimming Pools | Works As Pool Sanitizer Clarifier and Algicide | One Pound Bags | 24 Pack
  • MULTI-PURPOSE - This swimming pool shock works as a strong sanitizer, clarifier, and algicide for clear blue water.
  • EXTRA POWER - Due to its high percentage of chlorine, Mega Shock is a very effective treatment for a quick chlorine boost. The Rx Clear Mega shock packets are chlorinating essentials.
  • MIX BEFORE YOU FIX - Add this granular powder to a bucket of water before you begin dissolving it in your pool. Add a 1 lb bag per 10,000 gallons of pool water for smart maintenance.
  • BEAT THE GREEN - Keep in your swimming pool algae free by adding 2 bags (2 lbs) of shock per 14,000 gallons of pool water. These granules work as an algaecide if your pool needs cleaning, or if you're opening for the season.
  • WORKS BEST AT NIGHT - Maximize performance by adding this shock to your pool at night. Wait to swim 8 to 10 hours after you start the application. Trust Rx Clear to supply reliable chemicals, supplies, and equipment for your above or in ground pool, spa or hot tub.
Rank No. #4
Rx Clear Stabilized Granular Chlorine | One 50-Pound Bucket | Use As Bactericide, Algaecide, and Disinfectant in Swimming Pools and Spas | Fast Dissolving and UV Protected
  • CLEAR WATER FOR SAFE SWIMMING - Swimming in crystal clear water does not mean your skin has to suffer. The granular chlorine is 99% sodium diclor making a relaxing swim not as harsh.
  • LONG LASTING - Dichlor resists UV light, lasting longer than other types of chlorinating supplies due to built in stabilizer for your swimming pool, hot tub, or spa.
  • DISSOLVES QUICKLY - Add 1 oz of this cleaning chemical to your pool for every 5,000 gallons your pool contains, daily for the best quick water treatment maintenance.
  • FEWER CHEMICALS NEEDED - Our dichlor is pH neutral, meaning less chemical adjustments to be made by you! This pool chlorinator acts as a sanitizer, pool algaecide, and disinfectant. This granular chlorine dissolves in a 4-foot column, so there is no need to worry about bleach damage on your pool liner as with chlorine tablets.
  • TRUSTED POOL SUPPLIES - Rx Clear is the best choice for swimming pool accessories and pool chemicals and supplies.
SaleRank No. #5
In The Swim Super Pool Shock 24 x 1 Pound Bags
  • Whether you are an above ground or in-ground pool owner, In The Swim’s super shock sanitizer treatment is a powerful, fast-acting booster that is great for opening your swimming pool in the Spring season.
  • When confronted with stubborn algae, bacteria, and other harmful water contaminants that can cause illnesses, our In The Swim super shock treatment can rapidly restore your swimming pool back to an ultra-clear quality.
  • The main active ingredient is 73% Calcium Hypochlorite (Cal-Hypo), with a purpose of fighting chloramines that are responsible for the gases that create “pool smell” and can irritate your eyes, skin, and lungs.
  • This super shock treatment is an ideal product for your above or in-ground pool in the fight against those yellow and green algae blooms.
  • Proudly manufactured in the USA for over 40 years.
SaleRank No. #6
HTH 22009 Ultimate Mineral Brilliance Chlorinating Granules for Swimming Pools, 50 lbs
  • BENEFITS: Sanitize, clarify, and soften the water in your swimming pool so it is always ready for fun
  • USE: Apply directly to pool water, broadcasting it evenly over a wide area in the deepest part of the pool. Add granules while filter pump is running during the evening. Use clean, dry scoop only used for this product.
  • COMPATIBILITY: Chlorine and saltwater systems
  • FEATURES: Kills bacteria and algae; crystal clear results in 24 hours; prevents scale formation; turns blue to show it’s working; softens water; provides filter aid; fast dissolving
  • INCLUDES: One 50-lb container of Ultimate Mineral Brilliance Chlorinating Granules for swimming pools
SaleRank No. #7
poolife Turbo Shock (25 lb)
  • Poolife Turbo Shock (25 lb)
  • Works fast to combat algae and bacteria
  • Dissolves quickly and completely
  • Keeps swimming pool water sparkling clean and clear
  • Calcium Hypochlorite: 78%
Rank No. #8
In The Swim Pool Shock – 68% Cal-Hypo Granular Sanitizer for Crystal Clear Water – Defends Against Bacteria, Algae, and Microorganisms - 25 Pounds
  • Powerful chlorine shock treatment that is great for regular maintenance.
  • Quickly eliminates algae, bacteria, and other harmful contaminants from your pool water.
  • Main active ingredient is 68% Calcium Hypochlorite (Cal-Hypo) for quick sanitizing.
  • Dosage: 1 Pound per 10,000 gallons
  • Cal-Chlor granules can be used in swimming pools, spas and hot tubs. Must pre-dissolve/dilute to prevent bleaching of the liner.
Rank No. #9
HTH 52037 Swimming Pool Care Shock Advanced, Swimming Pool Chemical, Cal Hypo Formula, 12 Count(Pack of 1)
  • BENEFITS: Stay all clear for cannonballs; This fast-dissolving, convenient 4-in-1 formula kills bacteria and algae, reduces chlorine odor and irritation, and quickly restores crystal clarity
  • FEATURES: Multi-functional shock treatment for weekly use to solve 90% of pool water problems within 24 hours and restore crystal clarity
  • VISIBLY BRILLIANT SPARKLE: This Cal Hypo based formula sanitizes without adding cyanuric acid (CYA) to prevent overstabilization or chlorine lock
  • COMPATIBLE WITH ALL SWIMMING POOLS: This product is great for all pool types including vinyl-lined pools and saltwater systems
  • YOU'RE ALL CLEAR WITH HTH: For best results, use with HTH 6-Way Test Strips to test and balance your swimming pool water twice weekly
Rank No. #12
HTH 52026 Super Shock Treatment Swimming Pool Chlorine Cleaner, 1 lb (Pack of 12)
  • 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
  • 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
  • INCLUDES: Twelve 1-lb bags of shock treatment for your swimming pool
Rank No. #13
BioGuard Burnout 73 (1 lb) (24 Pack)
  • Powerful Calcium Hypochlorite Pool Shock
  • BioGuards Stronges Shock
  • 1 lb treats 16,500 gallons of water
  • 24 Pack
Rank No. #14
HTH Ultra Pool Shock - Calcium Hypochlorite (Cal-Hypo) - 40 Pound Bucket - Prevents Algae and Bacteria - Good for Weekly Use - Super-Chlorinate Swimming Pools
  • All-in-one weekly chlorine boost increases chlorine levels quickly
  • 1 lb. treats up to 10,000 gallons of pool water
  • Prevents stains & scale
  • Cal Hypo for visibly sparkling water
  • 56% Available Chlorine
Rank No. #16
AQUA-ORG PLUS - Granular Calcium Hypochlorite 65% Pool Shock for Swimming Pools, Spas and Hot Tubs (55 Pound)
  • Our 65% Calcium Hypochlorite granules are perfect for immediate & dramatic results when need to clean & clear the cloudy water in your pool, spa, and hot tub.
  • For use in swimming pools, spas and hot tubs.
  • US EPA Registered - Filed & Approved Biocide
  • UN2880 Calcium Hypochlorite Hydrated 5.1 PG II
  • CAS Number: 7778-54-3 (Calcium Hypochlorite)
Rank No. #17
Rx Clear Super Shock for Synergy Pool Systems | for Superchlorinating Pool Water and Control of Algae | 68% Calcium Hypochlorite | One Pound Bags | 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.
  • This item contains 24, 1 lb. bags of Super Shock.
  • Dosages: 1 lb. Super Shock per 10,000 gallons of pool water
  • Package Size: 24 pack
Rank No. #18
HTH 52039 Swimming Pool Care Shock Ultra, Swimming Pool Chemical, Cal Hypo Formula, 1lb
  • BENEFIT: Use this all-in-one powerhouse pool shock to increase chlorine levels, prevent bacteria, algae, stain, and scale, reduce skin and eye irritation, improve filtration, and soften your swimming pool water quickly and easily
  • VISIBLY BRILLIANT SPARKLE: This Cal Hypo based formula sanitizes without adding cyanuric acid (CYA) to prevent overstabilization or chlorine lock
  • VISIBLE BLUE ACTION: This built-in feature lets you know the product is working
  • COMPATIBLE WITH ALL SWIMMING POOLS: This product is great for all pool types including vinyl-lined pools and saltwater systems
  • YOU'RE ALL CLEAR WITH HTH: For best results, use with HTH 6-Way Test Strips to test and balance your swimming pool water twice weekly; Use weekly to solve 90% of pool problems within 24 hours and restore crystal clarity
Rank No. #19
GLB 23224-24 73% Calcium Hypochlorite Chlorine Shock Treatment for Swimming Pools, 1-Pound, 24-Pack
  • Chlorine pool shock, 73% calcium hypochlorite
  • Prevents algae growth
  • Clarifies pool water
  • Super chlorinates pool water
Rank No. #20
ECR Calcium Hypochlorite Granules - Pool Shock - 50 Pounds
  • Calcium Hypochlorite Chlorine Granular
  • 65% Available Chlorine
  • Resealable Containers
  • US EPA Reg. No. 86460-1
  • Due to Haz Mat Regulations These are NOT RETURNABLE

Last update on 2023-08-02 / Affiliate links / Product Titles, Images, Descriptions from Amazon Product Advertising API

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FAQ:

Q: How much chlorine is in zappit pool shock?

A: Pool shock treatment 1lb treats 16,500 gallons Available in 25lbs or 50lbs buckets The Zappit Pool Shock is 73% Calcium Hypochlorite with 70% available chlorine. This granular formula comes in a bucket and saves you time and money by quickly dissolving to destroy waste, algae, and bacteria in your swimming pool.

Q: What kind of shock treatment does zappit use?

A: Zappit is a strong shock treatment that is perfect for spring start-up or routine maintenance. Quick dissolving, this cal-hypo product contains 73% available chlorine

Q: How much does a hypochlorite pool shock cost?

A: Consider these available items Super Shock-IT 73% Cal-Hypo 5lb Container26 $45.99$45.99 ECR Calcium Hypochlorite Granules – Pool Shock – 50 Pounds13 $239.95$239.95 GLB Pool and Spa Products GLB71428A Calcium-Hypochlorite Super Charge Shock, 1 lb11 $21.95$21.95 Patio, Lawn & Garden Pools, Hot Tubs & Supplies

Q: Which is the best hlorine pool shock cleaner?

A: HTH 52026 Super Shock Treatment Swimming Pool Chlorine Cleaner, 1 lb (Pack of 12) 4.7 out of 5 stars 12,141 #1 Best Sellerin Swimming Pool Clarifiers & Enzymes $57.00$57.00 DryTec 23224-24 Extra Treatment Pool Shock, 24-Pack 4.5 out of 5 stars 602 $289.99$289.99 In The Swim Calcium Hypochlorite Chlorine Granular Pool Shock – 50 Pounds

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