12 Best Calcium Hypochlorite Pool Shocks for Crystal Clear Water

Discover the best calcium hypochlorite pool shock for crystal-clear water and a refreshing swim. Make your pool sparkle effortlessly.
12 Best Calcium Hypochlorite Pool Shocks for Crystal Clear Water

Top Quick Picks For You

Top Low-Cost Selection

Clorox Shock Xtrablue Plus

Clorox Shock Xtrablue Plus

Clorox® Pool&Spa™ Shock XTRABLUE® Plus offers an excellent balance of effectiveness and affordability, making it a top choice for budget-conscious consumers.

Best for Fast Results

Aqua-Org Plus

Aqua-Org Plus

Aqua Org Plus Calcium Hypochlorite works quickly to tackle algae and restore water clarity, providing fast results ideal for urgent pool treatment needs.

Best for Water Clarity

Pool Shark Calcium Hypochlorite

Pool Shark Calcium Hypochlorite

The 68% Calcium Hypochlorite Granules effectively eliminate bacteria and algae, ensuring your pool water remains crystal-clear and safe for swimming.

Best for Expert Use

DryTec Calcium Hypochlorite

DryTec Calcium Hypochlorite

With a high rating and a trusted formula, this product is preferred by professionals for maintaining optimal chlorine levels in larger pool systems.

Best Calcium Hypochlorite Pool Shock

When it comes to keeping your pool sparkling clean and inviting, finding the right treatment is essential. Enter calcium hypochlorite pool shock—the unsung hero in the battle against murky water and stubborn contaminants. In this guide, we’ll unveil the top contenders in the calcium hypochlorite arena, helping you make an informed choice that elevates your backyard oasis to new heights of brilliance.

Top Low-Cost Selection: Clorox Shock Xtrablue Plus

Clorox® Pool&Spa™ Shock XTRABLUE® Plus, Kills Bacteria & Algae in Swimming Pools, Swim-Ready in 15 Minutes, (12-Pack)
Highlights
Fast-dissolving formula
Effective against algae
Compatible with all surfaces

When it comes to pool care, we can't recommend Clorox® Pool&Spa™ Shock XTRABLUE® Plus enough !

This product stands out as our "Top Low-Cost Selection" for its excellent balance of effectiveness and affordability .

With its 6-in-1 formula, it not only kills bacteria and algae but also enhances your filter's performance, leaving your pool crystal clear .

Plus, you can dive back in just 15 minutes after application !

It’s compatible with all pool surfaces, making it a versatile choice for everyone .

Just remember, some dust may kick up during use, but the results are absolutely worth it!

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Price history for Clorox Shock Xtrablue Plus on Amazon

Best for Fast Results: Aqua-Org Plus

Pool Shock by Aqua Org Plus - 65% Granular Cal Hypo - Swimming Pool Shock for In-Ground, Above Ground, Spas & Hot Tubs - 50 Pound Pail
Highlights
Quick dissolving granules
Great value for price
Effective on all pool types

We are excited to share our thoughts on Aqua Org Plus Calcium Hypochlorite, which we’ve crowned as the "Best for Fast Results" !

This powerhouse works rapidly, effectively tackling algae and restoring clarity for a pristine pool experience .

With 65% Cal Hypo Granules, this professional-grade formula is trusted by pool maintenance experts and resolves 90% of common water issues .

Just measure a pound per 10,000 gallons, and let it work its magic .

While the bucket lid can be tricky and the packaging isn’t the sturdiest, the price and performance make it a worthwhile investment for any pool owner .

Dive in with confidence!

Be sure to also check out the best all in one pool chemical for more options! Also, here is the price history so you know exactly when to buy!

Price history for Aqua-Org Plus on Amazon

Best for Water Clarity: Pool Shark Calcium Hypochlorite

68% Calcium Hypochlorite Pool Shock for Swimming Pools - Chlorine Granules Swimming Pool Shock 50 lbs Bucket - Pool Chlorine for Inground and Above Ground Pool Treatment, Saltwater (50lbs)
Highlights
Fast-dissolving granules
Effective in clearing water
Compatible with all pool types

We’re excited to dive into Pool Shark's 68% calcium hypochlorite pool shock, crowned as the best for water clarity !

These fast-dissolving granules are a breeze to use; just sprinkle them in and watch your pool transform from murky to crystal-clear in just 24 to 48 hours .

With their impressive ability to eliminate bacteria, algae, and fungi, you can enjoy safe, clean water that smells fresh .

Whether you have an inground or above-ground pool, this shock is compatible with all types .

Just remember to measure carefully for optimal results .

Trust us, your pool will thank you!

Be sure to also check out the best all in one pool chemicals for more options! Also, here is the price history so you know exactly when to buy!

Price history for Pool Shark Calcium Hypochlorite on Amazon

Best for Expert Use: DryTec Calcium Hypochlorite

1-1901-24 Calcium Hypochlorite Chlorine Shock Treatment for Swimming Pools, 1-Pound, 24-Pack
Highlights
Effective against algae
Fast-acting chlorine boost
Cost-effective for pool size

We’re excited to share our thoughts on the best calcium hypochlorite pool shock that earned our title of "Best for Expert Use." This powerhouse product boasts 68% calcium hypochlorite, delivering a stellar boost in chlorine levels—perfect for those with larger pool systems .

One bag treats up to 10,000 gallons, allowing you to maintain that crystal-clear sparkle we all love .

While it acts quickly against algae, we advise keeping an eye on your pH and alkalinity levels—aim for a pH of 7.2-7.6 and total alkalinity between 60 and 120 .

Just a heads up: it may leave your water a bit cloudy if not monitored !

Ideal for professionals, this cost-effective solution is best for those looking to keep a bigger pool in tip-top shape.

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Price history for DryTec Calcium Hypochlorite on Amazon

In The Swim

In The Swim Pool Shock – 68% Cal-Hypo Granular Sanitizer for Crystal Clear Water – Defends Against Bacteria, Algae, and Microorganisms- 24 X 1 Pound
Highlights
Fast-acting algae control
High chlorine content
Easy application

When it comes to revitalizing your pool, In The Swim's Calcium Hypochlorite Pool Shock is a game-changer !

We love its fast-acting algae control, making it perfect for regular upkeep .

With a robust 65% available chlorine, you can trust it will deliver crystal-clear water for all your splashing needs .

The application process is a breeze—just pre-dissolve the granules and spread them in the deepest part of your pool .

Just a friendly reminder: it can bleach your liner, so handle it with care !

Use it weekly for optimal sanitation and keep those pesky contaminants at bay—your pool will thank you!

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Price history for In The Swim on Amazon

In The Swim Pool Shock

In The Swim Pool Shock – 68% Cal-Hypo Granular Sanitizer for Crystal Clear Water – Defends Against Bacteria, Algae, and Microorganisms - 25 Pounds
Highlights
Fast-acting algae control
High chlorine content
Easy to apply

When it comes to pool maintenance, we've found Calcium Hypochlorite to be a standout choice for achieving crystal-clear water .

This versatile shock treatment is a fast-acting solution that effectively tackles algae, making it perfect for both above-ground and in-ground pools, as well as spas .

With a remarkable 65% available chlorine, it packs a punch in sanitization .

Application is a breeze—just pre-dissolve, sprinkle the granules in the deep end, and brush if needed !

Just keep in mind that careful dosing is crucial to prevent any potential liner bleaching .

Overall, this pool shock is a reliable ally for any pool owner!

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Price history for In The Swim Pool Shock on Amazon

HTH Pool Care Shock Calcium Hypochlorite Pool Shock

HTH 52037R Pool Care Shock Advanced, Swimming Pool Chemical - Cal Hypo Formula, Prevents Bacteria & Algae, Restores Crystal Clear Water - Shock Treatment, 1lb (12 Pack)
Highlights
Fast-acting crystal clarity
Affordable compared to stores
Compatible with all pools

When it comes to keeping your pool looking sparkling clean, HTH’s calcium hypochlorite pool shock truly shines .

With its fast-dissolving, multi-functional formula, it's designed to tackle up to 90% of common pool water problems within just 24 hours .

We love that it doesn’t add cyanuric acid, preventing any pesky overstabilization .

Plus, it's compatible with all pool types, making it a versatile choice .

The best part ?

It effectively sanitizes and reduces chlorine odor, allowing for cannonball fun without the irritation .

Just pair it with HTH 6-Way Test Strips for optimal results .

Get ready to enjoy a dazzling pool experience!

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Price history for HTH Pool Care Shock on Amazon

EZ Pools Super Shockwave

Super Shockwave Pool Shock – 73% Cal-Hypo Granular Sanitizer for Crystal Clear Water – Defends Against Bacteria, Algae, and Microorganisms - 25 Pounds
Highlights
Fast-dissolving formula
Powerful shock treatment
Affordable compared to brands

When it comes to keeping your pool sparkling clean, we can’t recommend Super ShockWave Pool Shock enough !

Its fast-dissolving formula means you'll see results in a flash, giving you clear water ready for a rejuvenating swim .

It's a powerful treatment that eliminates pesky algae and bacteria, ensuring your pool is always inviting .

Plus, it's easy on the wallet compared to other brands .

Just remember, this powerhouse does require careful handling and precise measurement due to its strength, so be sure to follow instructions closely .

Overall, we've found it to be an exceptional choice for pool care enthusiasts!

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Price history for EZ Pools Super Shockwave on Amazon

Doheny's Super Pool Shock

Doheny's Super Pool Shock | Pro-Grade Chlorine Shock, Quick-Dissolving, Fast-Acting 68% Cal-Hypo Granular Pool Shock | 24 x 1lb Bags, Proudly Made in The USA
Highlights
Fast-acting chlorine boost
High percentage of active chlorine
Convenient pre-measured bags

When it comes to keeping your pool sparkling, Doheny's Calcium Hypochlorite Pool Shock is a true gem .

This fast-acting formula instantly ramps up chlorine levels, effectively knocking out stubborn algae and contaminants .

We love that it boasts a hefty 68% calcium hypochlorite content, ensuring a powerful punch for long-lasting maintenance .

Plus, the pre-measured 1lb bags make application a breeze—no weighing, no messing around !

For optimal results, we recommend 1lb per 10,000 gallons, but don’t shy away from upping the dosage during spring openings or severe algae outbreaks .

With over 50 years of family-owned expertise, you can trust Doheny's to deliver quality that's stood the test of time .

Your pool deserves nothing less!

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Price history for Doheny's Super Pool Shock on Amazon

ZAPPIT Chlorinating Granules Calcium Hypochlorite Pool Shock

73 Dry Chlorinating Granules for Swimming Pools (50 lb)
Highlights
Fast dissolving formula
Highly effective against algae
Good value for price

When it comes to keeping your pool crystal clear, this calcium hypochlorite pool shock truly stands out .

With a fast-dissolving granular formula containing 73% Cal-Hypo, it gets to work quickly, eliminating unwanted algae and keeping your water safe and sparkling .

While it offers great value for its price, we found that it doesn’t last as long as some competitors, and proper mixing is essential to reap its full benefits .

A few customers have reported delivery hiccups, so make sure to plan ahead .

Overall, if you're seeking a reliable pool shock, this one is a top contender!

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Price history for ZAPPIT Chlorinating Granules on Amazon

My Garden Pool Shock

Drytec Calcium Hypochlorite Pool Shock 68%, 25 LB, Complete Pool Care Kit with My Garden Pool Skimmer Sock Powerful Chlorine Shock for Clear Swimming Water
Highlights
Powerful chlorine concentration
Fast-dissolving granules
Easy to use bucket

When it comes to keeping your pool pristine, My Garden Pool's calcium hypochlorite pool shock makes a splash! 💧 With a power-packed 68% concentration, this fast-dissolving granule ensures crystal clear water, perfect for both pools and potable applications .

We love that it meets NSF Standard 60 and follows AWWA standards, confirming it's safe and effective .

Plus, there's no need for bulky storage tanks. 🛢️ While the strong smell and careful handling are considerations, the 2-year shelf life under ideal conditions means you'll have a reliable solution at your fingertips .

Dive in—your clean oasis awaits! 🌊

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Price history for My Garden Pool Shock on Amazon

In The Swim

In The Swim Chlorine-Free Pool Shock-Oxidizer – Quick Dissolving, Fast-Acting, Shock-Oxidizer - Non-Living Organic Contaminant Eliminator for Swimming Pools and Spas - 24 x 1 Pound Bags
Highlights
Non-chlorine option
Quick dissolving
Reduces skin irritation

Calcium Hypochlorite Pool Shock Review

At In The Swim, we’re excited to introduce this non-chlorine alternative that works wonders for your pool .

With a quick-dissolve formula, it delivers fast results without altering your pH levels, creating a pristine swimming environment .

We love how it reduces skin and eye irritation, making your pool feel inviting .

What’s more, it enhances the effectiveness of existing chlorine, minimizing the need for extra doses .

While it may be a bit pricey for weekly use and may occasionally require additional chlorine, its versatility with various pool systems makes it a top contender .

Dive in and keep your pool fresh with this fantastic product!

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Price history for In The Swim on Amazon

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