Contents

The Best Cal Hypo Pool Shock of 2023 – Reviewed and Top Rated

2,289 Reviews Scanned

Rank No. #1

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. #2

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. #3

HTH 52030 Swimming Pool Care Shock, Swimming Pool Chlorinator Boosts Chlorine Levels, Cal Hypo Formula, 13.3oz (Pack of 6)

BENEFIT: Shock treat, sanitize, clarify, and help prevent bacteria and algae in your swimming pool water, all with this convenient, easy-to-use product
FEATURES: Multi-use pool shock with Cal Hypo; Use weekly to solve 90% of pool water problems within 24 hours; Fast-acting and fast-dissolving
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. #4

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.

SaleRank No. #5

HTH 52031 Swimming Pool Care Shock, Swimming Pool Chlorinator Boosts Chlorine Levels, Cal Hypo Formula, 13.3oz

BENEFIT: Shock treat, sanitize, clarify, and help prevent bacteria and algae in your swimming pool water, all with this convenient, easy-to-use product
FEATURES: Multi-use pool shock with Cal Hypo; Use weekly to solve 90% of pool water problems within 24 hours; Fast-acting and fast-dissolving
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. #6

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. #7

HTH 52040 Swimming Pool Care Shock Ultra, Swimming Pool Chemical, Cal Hypo Formula, 1lb (Pack of 6)

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. #8

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. #9

GLB 1 lb Supersonic Shock 73 Cal Hypo

SaleRank No. #10

HTH 52043 Pool Care Shock Advanced, Swimming Pool Chemical Prevents Bacteria & Algae, Cal Hypo Formula, 2 lbs (2-Pack)

BENEFIT: 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; Use weekly to solve 90% of pool water problems within 24 hours
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. #11

HTH 52042 Swimming Pool Care Shock Advanced, Swimming Pool Chemical, Cal Hypo Formula, 2 lb

BENEFIT: 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; Use weekly to solve 90% of pool water problems within 24 hours
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

shock wave 68% Cal-Hypo Above Ground and Below Ground Swimming Pool (6 Pack)

KILLS BACTERIA & ALGAE - Granular swimming pool shock calcium hypochlorite shock for above ground and in ground swimming pools 68% hypo cal. This powerful formula kills bacteria and algae quickly, leaving your pool sparkling clean.
SAFE & EFFECTIVE - Our granular swimming pool shock is safe to use with all types of swimming pools and provides an effective way to treat your water without the worry of harsh chemicals or odors.
Universal Application: This product is safe and effective for both above-ground and in-ground pools, making it a versatile choice for all pool types.
Gentle on Pool Liners: Carefully formulated to maintain efficiency while preserving the integrity of pool liners, it is gentle and safe for all types of liners.
Fast-Acting Formula: The quick-dissolving feature reduces pool downtime and allows you to enjoy your pool sooner.

Rank No. #13

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. #14

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. #15

In The Swim Super Pool Shock 6 x 1 Pound Bags Multicolor

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.

Rank No. #16

CLOROX Pool&Spa All-in-One XtraBlue Chlorinating Granules, Kills Bacteria & Stops Algae, 6 LB

Dual Action Sanitizer and Shock
Kills Bacteria
Kills and prevents all types of pool algae
Improves filter performance

Rank No. #17

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. #18

HTH Swimming Pool Care Green to Blue Advanced Shock System (6 pack) + HTH 52036 Swimming Pool Care Shock Advanced

The HTH Green to Blue Advanced Shock System helps fight severe algae blooms, transforms green water to blue within 24 hours, and includes a flocculant to drop particles to the pool floor for easy vacuuming. It is compatible with all pool types.
The HTH Shock Advanced formula kills bacteria and algae, reduces chlorine odor and irritation, and quickly restores crystal clarity within 24 hours. It is a fast-dissolving and convenient 4-in-1 weekly shock treatment.
Both products provide chlorination without adding extra cyanuric acid (CYA) to prevent overstabilization or chlorine lock.
For best results, use the products as part of a weekly pool care routine and test water chemistry twice weekly with HTH test strips.
The HTH Shock Advanced formula is compatible with all pool types including vinyl liners, won't fade liners, and can be used with saltwater systems.

Rank No. #19

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. #20

HTH Pool Care Chlorine Granules Ultra, Swimming Pool Chlorinating Sanitizer & Shock, Kills Bacteria & Algae, 18 lbs

BENEFIT: Get the ultimate in pool care convenience with this all-in-one Cal Hypo formula; Sanitizes, controls algae, clarifies, softens pool water, and even prevents stain and scale to keep your pool clean, clear, and ready for summer fun
VISIBLY BRILLIANT SPARKLE: This Cal Hypo based formula sanitizes and shock treats without adding cyanuric acid (CYA) to prevent overstabilization or chlorine lock
MULTIFUNCTIONAL, FAST ACTING: The all-in-1 pool treatment has built-in algae control, pool water clarifier, stain and scale preventer, water softener and filter aid—all with visible sparkling blue results in 24 hours
COMPATIBLE WITH ALL 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 HTH 6-Way Test Strips twice weekly to test and balance your swimming pool water and keep chlorine levels between 1 and 4 ppm

Last update on 2023-08-07 / Affiliate links / Product Titles, Images, Descriptions from Amazon Product Advertising API

How Do You Buy The Best Cal Hypo Pool Shock?

Do you get stressed out thinking about shopping for a great Cal Hypo Pool Shock? Do doubts keep creeping into your mind? We understand, because we’ve already gone through the whole process of researching Cal Hypo Pool Shock, which is why we have assembled a comprehensive list of the greatest Cal Hypo Pool Shock available in the current market. We’ve also come up with a list of questions that you probably have yourself.

We’ve done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for Cal Hypo Pool Shock that you consider buying. Your questions might include the following:

Is it worth buying an Cal Hypo Pool Shock?
What benefits are there with buying an Cal Hypo Pool Shock?
What factors deserve consideration when shopping for an effective Cal Hypo Pool Shock?
Why is it crucial to invest in any Cal Hypo Pool Shock, much less the best one?
Which Cal Hypo Pool Shock are good in the current market?
Where can you find information like this about Cal Hypo Pool Shock?

We’re convinced that you likely have far more questions than just these regarding Cal Hypo Pool Shock, and the only real way to satisfy your need for knowledge is to get information from as many reputable online sources as you possibly can.

Potential sources can include buying guides for Cal Hypo Pool Shock, rating websites, word-of-mouth testimonials, online forums, and product reviews. Thorough and mindful research is crucial to making sure you get your hands on the best-possible Cal Hypo Pool Shock. Make sure that you are only using trustworthy and credible websites and sources.

We provide an Cal Hypo Pool Shock buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information. How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available Cal Hypo Pool Shock currently available on the market.

This technology we use to assemble our list depends on a variety of factors, including but not limited to the following:

Brand Value: Every brand of Cal Hypo Pool Shock has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
Features: What bells and whistles matter for an Cal Hypo Pool Shock?
Specifications: How powerful they are can be measured.
Product Value: This simply is how much bang for the buck you get from your Cal Hypo Pool Shock.
Customer Ratings: Number ratings grade Cal Hypo Pool Shock objectively.
Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their Cal Hypo Pool Shock.
Product Quality: You don’t always get what you pay for with an Cal Hypo Pool Shock, sometimes less, and sometimes more.
Product Reliability: How sturdy and durable an Cal Hypo Pool Shock is should be an indication of how long it will work out for you.

We always remember that maintaining Cal Hypo Pool Shock information to stay current is a top priority, which is why we are constantly updating our websites. Learn more about us using online sources.

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FAQ:

Q: Which pool shock is best?

A: There are three different types of pool shock on the market today. Calcium Hypochlorite. Calcium hypochlorite is the most popular kind of shock and is the strongest of the three. It dissolves easily, and the sun’s rays burn it off without destabilizing the cyanuric acid level in your pool.

Q: Where can I buy Pool shock?

A: You can also find swimming pool shock in many home centers and retail stores these days. You can find swimming pool shock in large home centers such as Home Depot and Lowes. You can find swimming pool shock, both powdered and liquid in other retails stores such as Target, Wal-Mart and even in some large supermarkets.

Q: What is calcium hypochlorite used for in pools?

A: Calcium hypochlorite is commonly used to sanitize public swimming pools and disinfect drinking water. Generally the commercial substances are sold with a purity of 65% to 73% with other chemicals present, such as calcium chloride and calcium carbonate, resulting from the manufacturing process.

Q: What is pool shock?

A: Pool shock is typically used to disinfect any bacteria that is in your swimming pool . The word shock is used as a literal term because you are “shocking” the pool water with high amounts of chlorine. Lowering your total chlorine amount and raising your free chlorine count.