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CLOROX Pool&Spa / Chlorine

Clorox Pool Spa Shock XTRABLUE Plus Kills Bacteria Algae in Swimming Pools Swim-Ready in 15 Minutes 12-Pack Granular

★ 4.8 · 4,208 ratings
$90.97

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Clorox Pool Spa Shock XTRABLUE Plus Kills Bacteria Algae in Swimming Pools Swim-Ready in 15 Minutes 12-Pack Granular, $90.97, Availability unknown. Image 1 of 7.

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Clorox Pool Spa Shock XTRABLUE Plus Kills Bacteria Algae in Swimming Pools Swim-Ready in 15 Minutes 12-Pack Granular
SKU
JC11159
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Source specifications

Brand
CLOROX Pool&Spa
Item Weight
12 Pounds
Item Form
Granular
Product Benefits
Fast-dissolving, Improves filter performance, Kills Bacteria, Kills and prevents algae with algae-fighting formula See more
UPC
810821024891

The details

About this item

Enjoying your beautiful pool just got easier with the convenience and power of Clorox Pool&Spa Shock XtraBlue2. Each bag treats 12,000 gallons of water to clear cloudy, smelly water. This fast-dissolving pool shock kills bacteria and removes swimmer contaminants while helping control algae growth. It will not bleach your liner or affect your water's pH level like other brands. Shock your pool weekly and after pool parties and severe weather to remove contaminants, destroy odors, and keep the water clear. No premixing is required and dissolves fast! Shock day or night! Save time when shocking, as our XtraBlue Shock2 will treat 12,000 gallons of water and you can swim in 15 minutes! Always apply according to label directions. For best results, add to the deepest end of the pool with the filter running. Circulating pool water when applying chemicals helps 6 in 1 Formula: Kills bacteria and algae to maintain a clear swimming pool. Our algae-fighting formula prevents algae for crystal-clear water. Destroys contaminants to aid filter performance and clear dull, cloudy water; Swim-ready in 15 minutes: Fast dissolving formula works quickly so you can treat and swim in just 15 minutes.; Com

  • 6 in 1 Formula: Kills bacteria and algae to maintain a clear swimming pool. Our algae-fighting formula prevents algae for crystal-clear water. Destroys contaminants to aid filter performance and clear dull, cloudy water
  • Swim-ready in 15 minutes: Fast dissolving formula works quickly so you can treat and swim in just 15 minutes.
  • Compatibility: This product is safe for all swimming pool surfaces, including vinyl, plaster, fiberglass, and tile.
  • Usage: Use 1 lb. per 12,000 gallon of water. Shock pool weekly and after heavy use, high temperatures, or rain.
  • Clorox Pool App: Test like an expert anytime, anywhere with the Clorox Pool App. Solve common pool problems and get personalized product and dosage recommendations.
  • Packaging may vary

From the manufacturer

Product details and media

Enjoying your beautiful pool just got easier with the convenience and power of Clorox Pool&Spa Shock XtraBlue2. Each bag treats 12,000 gallons of water to clear cloudy, smelly water. This fast-dissolving pool shock kills bacteria and removes swimmer contaminants while helping control algae growth. It will not bleach your liner or affect your water's pH level like other brands. Shock your pool weekly and after pool parties and severe weather to remove contaminants, destroy odors, and keep the water clear. No premixing is required and dissolves fast! Shock day or night! Save time when shocking, as our XtraBlue Shock2 will treat 12,000 gallons of water and you can swim in 15 minutes! Always apply according to label directions. For best results, add to the deepest end of the pool with the filter running. Circulating pool water when applying chemicals helps disperse chemicals throughout the pool for maximum coverage. The best pool shock on the market, use once a week during your weekly maintenance program. Pair with the Clorox Pool app and XtraBlue Chlorinating Tablets for best results.

Highlights: 6 in 1 Formula: Kills bacteria and algae to maintain a clear swimming pool. Our algae-fighting formula prevents algae for crystal-clear water. Destroys contaminants to aid filter performance and clear dull, cloudy water Swim-ready in 15 minutes: Fast dissolving formula works quickly so you can treat and swim in just 15 minutes. Compatibility: This product is safe for all swimming pool surfaces, including vinyl, plaster, fiberglass, and tile. Usage: Use 1 lb. per 12,000 gallon of water. Shock pool weekly and after heavy use, high temperatures, or rain. Clorox Pool App: Test like an expert anytime, anywhere with the Clorox Pool App. Solve common pool problems and get personalized product and dosage recommendations. Packaging may vary

How it fits your day: Use the key specs and highlights above to match it to your setup, space, or routine before you check out.

Customer feedback: 4.8/5 average rating.

Customers say: Customers find this pool shock effective, taking only 15 minutes to work and clearing water from murky green to crystal clear.

Review snippets: I recently used Clorox Pool&Spa Shock XTRABLUE Plus in my pool, and I’m seriously impressed. It killed the bacteria and algae fast, leaving the water crystal clear and sparkling. I love that it works so quickly—I added it in the / This is the only thing I put in my pool, keeps it clean and clear and it's worked for the last few years. We keep it open all winter and add about 1 a month then when the temp gets

From the manufacturer Multi-use Smart Test Strips XtraBlue 3” Chlorinating Tablets Shock Clear Alkalinity Increaser Algaecide + Clarifier Crazy Clarifier Add to Cart Add to Cart Add to Cart Add to Cart Add to Cart Add to Cart Customer Reviews 4.6 out of 5 stars 4,843 4.5 out of 5 stars 38,117 4.7 out of 5 stars 7,073 4.7 out of 5 stars 4,876 4.5 out of 5 stars 14,811 4.6 out of 5 stars 1,101 Price $3.49 $ 3 . 49 $33.99 $ 33 . 99 $55.99 $ 55 . 99 $10.94 $ 10 . 94 $14.88 $ 14 . 88 $24.83 $ 24 . 83 Key Benefits Test like an expert. Solve common pool problems. Kills bacteria. Kills and prevents pool algae. Swim ready in 15 minutes. Fast dissolving. Keeps pH balanced. Protect against eye and skin irritation. Prevents AND treats pool algae. For insanely clear water Saltwater Pool Compatible ✓ ✓ ✓ ✓ ✓ ✓ Vinyl pool compatible ✓ ✓ ✓ ✓ ✓ ✓ Kills Bacteria no data ✓ ✓ no data no data no data Kills Algae no data ✓ ✓ no data ✓ no data Clarifies Water no data no data ✓ no data ✓ ✓ Improves filter performance no data no data ✓ no data ✓ ✓ Non-foaming no data ✓ ✓ ✓ ✓ ✓ Compatible with Clorox Pool App ✓ ✓ ✓ ✓ ✓ ✓ Recommended Weekly Uses ✓ ✓ ✓ no data ✓ ✓

Clorox Pool Spa Shock XTRABLUE Plus Kills Bacteria Algae in Swimming Pools Swim-Ready in 15 Minutes 12-Pack Granular — product detail 1Clorox Pool Spa Shock XTRABLUE Plus Kills Bacteria Algae in Swimming Pools Swim-Ready in 15 Minutes 12-Pack Granular — product detail 2Clorox Pool Spa Shock XTRABLUE Plus Kills Bacteria Algae in Swimming Pools Swim-Ready in 15 Minutes 12-Pack Granular — product detail 3Clorox Pool Spa Shock XTRABLUE Plus Kills Bacteria Algae in Swimming Pools Swim-Ready in 15 Minutes 12-Pack Granular — product detail 4Clorox Pool Spa Shock XTRABLUE Plus Kills Bacteria Algae in Swimming Pools Swim-Ready in 15 Minutes 12-Pack Granular — product detail 5Clorox Pool Spa Shock XTRABLUE Plus Kills Bacteria Algae in Swimming Pools Swim-Ready in 15 Minutes 12-Pack Granular — product detail 6Clorox Pool Spa Shock XTRABLUE Plus Kills Bacteria Algae in Swimming Pools Swim-Ready in 15 Minutes 12-Pack Granular — product detail 7Clorox Pool Spa Shock XTRABLUE Plus Kills Bacteria Algae in Swimming Pools Swim-Ready in 15 Minutes 12-Pack Granular — product detail 8

Customer feedback

Customer ratings

4.8 out of 5

4,208 ratings

Customers find this pool shock effective, taking only 15 minutes to work and clearing water from murky green to crystal clear.

Kindle Customer

5.0 out of 5 stars DEPENDABLE pool care!

Rating: 5

September 29, 2025

Verified purchase

I recently used Clorox Pool&Spa Shock XTRABLUE Plus in my pool, and I’m seriously impressed. It killed the bacteria and algae fast, leaving the water crystal clear and sparkling. I love that it works so quickly—I added it in the evening, and by the next morning, the pool looked amazing. It’s easy to use and dissolves well without leaving any residue or cloudiness. The water feels clean and safe, which is a huge relief when swimming with family and friends. I also appreciate that it’s a reliable brand I can trust for pool maintenance. If you want a simple, effective solution for keeping your pool bacteria- and algae-free, this shock treatment is definitely worth it. Highly recommend for anyone looking for fast, dependable pool care! Read more

Dusty Marsh

5.0 out of 5 stars Easy

Rating: 5

March 18, 2026

Verified purchase

This is the only thing I put in my pool, keeps it clean and clear and it's worked for the last few years. We keep it open all winter and add about 1 a month then when the temp gets up to about 65 we just add about 4 at once then 1 or sometimes 2 a week all summer. Read more

MissyMD

5.0 out of 5 stars Shocker!

Rating: 5

January 18, 2026

Verified purchase

Great product for the pool! Dissolves quickly. Price is right. Definitely kills bacteria. Helps keep pool clean. Hubby likes to do polar plunge. We keep our pool open during most of the winter. This product still works in freezing temps. Read more

sda

5.0 out of 5 stars A good product

Rating: 5

February 4, 2026

Verified purchase

Convenient and work well. Read more

NULL

4.0 out of 5 stars It works, high cya

Rating: 4

October 13, 2025

Verified purchase

It’s a great product and dies what it needs basically overnight. I wish it didn’t have such a high cya content though. Read more

Kay

5.0 out of 5 stars GREAT PRODUCT!!!

Rating: 5

October 8, 2025

Verified purchase

This product is great. I use this product on my pool every week. Works just as great as the shocks you get from a pool store and you're not paying the expensive price. Very economical. It dissolves quickly and within an hour to two hours it safe to swim. It leaves my pool look crystal clear. It kills all the bacteria and algae build up. I do recommend the product to any one Read more

chicago lou

5.0 out of 5 stars Is it effective

Rating: 5

March 10, 2026

Verified purchase

Bought this to keep my pool clear. So far working great. Read more

Juanita Gwen

5.0 out of 5 stars Crystal Clear Pool Magic – XTRABLUE® Plus Delivers Every Time!

Rating: 5

October 10, 2025

Verified purchase

I've been using Clorox® Pool&Spa™ Shock XTRABLUE® Plus for my above-ground pool this summer, and it's an absolute game-changer! One treatment after a busy weekend of family splashes, and my water went from slightly cloudy to sparkling blue overnight. It truly lives up to its name – the XTRABLUE® formula not only kills off bacteria and algae but leaves the pool looking professionally maintained without any harsh chemical smell lingering. What I love most is how easy it is to use: just dissolve in a bucket of water, pour it in, and run the filter for a few hours. No fuss, no measuring headaches. My pool stays balanced longer between shocks, saving me time and money. We've had zero algae blooms or funky water issues, even during that heatwave last month. If you're tired of green nightmares or constant scrubbing, this is your hero product. Highly recommend for any pool owner – it's reliable, effective, and keeps the fun uninterrupted! Read more

Complete product information
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    "average_rating": 4.8,
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        "title": "5.0 out of 5 stars DEPENDABLE pool care!",
        "body": "I recently used Clorox Pool&Spa Shock XTRABLUE Plus in my pool, and I’m seriously impressed. It killed the bacteria and algae fast, leaving the water crystal clear and sparkling. I love that it works so quickly—I added it in the evening, and by the next morning, the pool looked amazing. It’s easy to use and dissolves well without leaving any residue or cloudiness. The water feels clean and safe, which is a huge relief when swimming with family and friends. I also appreciate that it’s a reliable brand I can trust for pool maintenance. If you want a simple, effective solution for keeping your pool bacteria- and algae-free, this shock treatment is definitely worth it. Highly recommend for anyone looking for fast, dependable pool care! Read more",
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        "author": "Dusty Marsh",
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  "short_description": "Enjoying your beautiful pool just got easier with the convenience and power of Clorox Pool&Spa Shock XtraBlue2. Each bag treats 12,000 gallons of water to clear cloudy, smelly water. This fast-dissolving pool shock kills bacteria and removes swimmer contaminants while helping control algae growth. It will not bleach your liner or affect your water's pH level like other brands. Shock your pool weekly and after pool parties and severe weather to remove contaminants, destroy odors, and keep the water clear. No premixing is required and dissolves fast! Shock day or night! Save time when shocking, as our XtraBlue Shock2 will treat 12,000 gallons of water and you can swim in.",
  "about_this_item": "Enjoying your beautiful pool just got easier with the convenience and power of Clorox Pool&Spa Shock XtraBlue2. Each bag treats 12,000 gallons of water to clear cloudy, smelly water. This fast-dissolving pool shock kills bacteria and removes swimmer contaminants while helping control algae growth. It will not bleach your liner or affect your water's pH level like other brands. Shock your pool weekly and after pool parties and severe weather to remove contaminants, destroy odors, and keep the water clear. No premixing is required and dissolves fast! Shock day or night! Save time when shocking, as our XtraBlue Shock2 will treat 12,000 gallons of water and you can swim in 15 minutes! Always apply according to label directions. For best results, add to the deepest end of the pool with the filter running. Circulating pool water when applying chemicals helps 6 in 1 Formula: Kills bacteria and algae to maintain a clear swimming pool. Our algae-fighting formula prevents algae for crystal-clear water. Destroys contaminants to aid filter performance and clear dull, cloudy water; Swim-ready in 15 minutes: Fast dissolving formula works quickly so you can treat and swim in just 15 minutes.; Com",
  "long_description": "Enjoying your beautiful pool just got easier with the convenience and power of Clorox Pool&Spa Shock XtraBlue2. Each bag treats 12,000 gallons of water to clear cloudy, smelly water. This fast-dissolving pool shock kills bacteria and removes swimmer contaminants while helping control algae growth. It will not bleach your liner or affect your water's pH level like other brands. Shock your pool weekly and after pool parties and severe weather to remove contaminants, destroy odors, and keep the water clear. No premixing is required and dissolves fast! Shock day or night! Save time when shocking, as our XtraBlue Shock2 will treat 12,000 gallons of water and you can swim in 15 minutes! Always apply according to label directions. For best results, add to the deepest end of the pool with the filter running. Circulating pool water when applying chemicals helps disperse chemicals throughout the pool for maximum coverage. The best pool shock on the market, use once a week during your weekly maintenance program. Pair with the Clorox Pool app and XtraBlue Chlorinating Tablets for best results.\n\nHighlights: 6 in 1 Formula: Kills bacteria and algae to maintain a clear swimming pool. Our algae-fighting formula prevents algae for crystal-clear water. Destroys contaminants to aid filter performance and clear dull, cloudy water Swim-ready in 15 minutes: Fast dissolving formula works quickly so you can treat and swim in just 15 minutes. Compatibility: This product is safe for all swimming pool surfaces, including vinyl, plaster, fiberglass, and tile. Usage: Use 1 lb. per 12,000 gallon of water. Shock pool weekly and after heavy use, high temperatures, or rain. Clorox Pool App: Test like an expert anytime, anywhere with the Clorox Pool App. Solve common pool problems and get personalized product and dosage recommendations. Packaging may vary\n\nHow it fits your day: Use the key specs and highlights above to match it to your setup, space, or routine before you check out.\n\nCustomer feedback: 4.8/5 average rating.\n\nCustomers say: Customers find this pool shock effective, taking only 15 minutes to work and clearing water from murky green to crystal clear.\n\nReview snippets: I recently used Clorox Pool&Spa Shock XTRABLUE Plus in my pool, and I’m seriously impressed. It killed the bacteria and algae fast, leaving the water crystal clear and sparkling. I love that it works so quickly—I added it in the / This is the only thing I put in my pool, keeps it clean and clear and it's worked for the last few years. We keep it open all winter and add about 1 a month then when the temp gets\n\nFrom the manufacturer Multi-use Smart Test Strips XtraBlue 3” Chlorinating Tablets Shock Clear Alkalinity Increaser Algaecide + Clarifier Crazy Clarifier Add to Cart Add to Cart Add to Cart Add to Cart Add to Cart Add to Cart Customer Reviews 4.6 out of 5 stars 4,843 4.5 out of 5 stars 38,117 4.7 out of 5 stars 7,073 4.7 out of 5 stars 4,876 4.5 out of 5 stars 14,811 4.6 out of 5 stars 1,101 Price $3.49 $ 3 . 49 $33.99 $ 33 . 99 $55.99 $ 55 . 99 $10.94 $ 10 . 94 $14.88 $ 14 . 88 $24.83 $ 24 . 83 Key Benefits Test like an expert. Solve common pool problems. Kills bacteria. Kills and prevents pool algae. Swim ready in 15 minutes. Fast dissolving. Keeps pH balanced. Protect against eye and skin irritation. Prevents AND treats pool algae. For insanely clear water Saltwater Pool Compatible ✓ ✓ ✓ ✓ ✓ ✓ Vinyl pool compatible ✓ ✓ ✓ ✓ ✓ ✓ Kills Bacteria no data ✓ ✓ no data no data no data Kills Algae no data ✓ ✓ no data ✓ no data Clarifies Water no data no data ✓ no data ✓ ✓ Improves filter performance no data no data ✓ no data ✓ ✓ Non-foaming no data ✓ ✓ ✓ ✓ ✓ Compatible with Clorox Pool App ✓ ✓ ✓ ✓ ✓ ✓ Recommended Weekly Uses ✓ ✓ ✓ no data ✓ ✓",
  "long_description_blocks": [
    {
      "type": "p",
      "text": "Enjoying your beautiful pool just got easier with the convenience and power of Clorox Pool&Spa Shock XtraBlue2. Each bag treats 12,000 gallons of water to clear cloudy, smelly water. This fast-dissolving pool shock kills bacteria and removes swimmer contaminants while helping control algae growth. It will not bleach your liner or affect your water's pH level like other brands. Shock your pool weekly and after pool parties and severe weather to remove contaminants, destroy odors, and keep the water clear. No premixing is required and dissolves fast! Shock day or night! Save time when shocking, as our XtraBlue Shock2 will treat 12,000 gallons of water and you can swim in 15 minutes! Always apply according to label directions. For best results, add to the deepest end of the pool with the filter running. Circulating pool water when applying chemicals helps disperse chemicals throughout the pool for maximum coverage. The best pool shock on the market, use once a week during your weekly maintenance program. Pair with the Clorox Pool app and XtraBlue Chlorinating Tablets for best results."
    },
    {
      "type": "p",
      "text": "Highlights: 6 in 1 Formula: Kills bacteria and algae to maintain a clear swimming pool. Our algae-fighting formula prevents algae for crystal-clear water. Destroys contaminants to aid filter performance and clear dull, cloudy water Swim-ready in 15 minutes: Fast dissolving formula works quickly so you can treat and swim in just 15 minutes. Compatibility: This product is safe for all swimming pool surfaces, including vinyl, plaster, fiberglass, and tile. Usage: Use 1 lb. per 12,000 gallon of water. Shock pool weekly and after heavy use, high temperatures, or rain. Clorox Pool App: Test like an expert anytime, anywhere with the Clorox Pool App. Solve common pool problems and get personalized product and dosage recommendations. Packaging may vary"
    },
    {
      "type": "p",
      "text": "How it fits your day: Use the key specs and highlights above to match it to your setup, space, or routine before you check out."
    },
    {
      "type": "p",
      "text": "Customer feedback: 4.8/5 average rating."
    },
    {
      "type": "p",
      "text": "Customers say: Customers find this pool shock effective, taking only 15 minutes to work and clearing water from murky green to crystal clear."
    },
    {
      "type": "p",
      "text": "Review snippets: I recently used Clorox Pool&Spa Shock XTRABLUE Plus in my pool, and I’m seriously impressed. It killed the bacteria and algae fast, leaving the water crystal clear and sparkling. I love that it works so quickly—I added it in the / This is the only thing I put in my pool, keeps it clean and clear and it's worked for the last few years. We keep it open all winter and add about 1 a month then when the temp gets"
    },
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