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Clorox® Pool&Spa™ Shock XTRABLUE® Plus, Kills Bacteria & Algae in Swimming Pools, Swim-Ready in 15 Minutes, (12-Pack), Granular9.4Our score 4 photos
CPBrandCLOROX Pool&SpaCPCLOROX Pool&Spa12 products in our catalogSee all CLOROX Pool&Spa products →ID DBD-17211

Clorox® Pool&Spa™ Shock XTRABLUE® Plus, Kills Bacteria & Algae in Swimming Pools, Swim-Ready in 15 Minutes, (12-Pack), Granular

9.4/10 our score 4.7 (5,177 ratings on Amazon)

6 in 1 Formula: Kills bacteria and algae to maintain a clear swimming pool. Our algae-fighting formula prevents algae for crystal-clear wate

About this item

  • 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.
Category: Garden & Patio › ChlorineRanked #99 of 315 in Garden & Patio
9.4Our score
Our verdict

6 in 1 Formula: Kills bacteria and algae to maintain a clear swimming pool. Our algae-fighting formula prevents algae for crystal-clear wate

Ranked #99 in Garden & Patio · 4 things we like

Quick answer The Clorox® Pool&Spa™ Shock XTRABLUE® Plus by CLOROX Pool&Spa scores 9.4/10 with us. Amazon owners rate it 4.7 out of 5 across 5,177 reviews, above the 4.4 average of the 35 chlorine we track. It was listed at $59.98 on Amazon when we last checked in September 2026.

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 p

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Product information

11 specifications
Brand NameCLOROX Pool&Spa
Global Trade Identification Number00810821024891
Number of Packs12
Package Size Name12 Pack
Number of Items12
Unit Count192 Ounce
Item Type NameGranular chlorine, pool shock
Model Number36112CLX
Item FormGranular
Product BenefitsFast-dissolving, Improves filter performance, Kills Bacteria, Kills and prevents algae with algae-fighting formula
Item Weight12 pounds

Pros & cons

What we like
  • 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.
What could be better

    Clorox® Pool&Spa™ Shock XTRABLUE® Plus: questions & answers

    Is the Clorox® Pool&Spa™ Shock XTRABLUE® Plus worth buying?

    Yes, it is one of the stronger picks in its group. We score the Clorox® Pool&Spa™ Shock XTRABLUE® Plus 9.4 out of 10. Amazon owners rate it 4.7 out of 5 across 5,177 reviews, above the 4.4 average of the 35 chlorine we track.

    How much does the Clorox® Pool&Spa™ Shock XTRABLUE® Plus cost?

    It was listed at $59.98 on Amazon when we last checked in September 2026. That is cheaper than the $78.97 median for chlorine in our catalog. Amazon prices change daily, so use the price button on this page to see the current figure.

    What options does the Clorox® Pool&Spa™ Shock XTRABLUE® Plus come in?

    Amazon lists 4 options. Size: 36 Pack, 12 Pack, 24 Pack, 6 Pack. Pick an option on this page and the button opens exactly that model.

    What are good alternatives to the Clorox® Pool&Spa™ Shock XTRABLUE® Plus?

    Similar, well-rated chlorine in our catalog: by CLOROX Pool&Spa Format: Lawn & Patio Clorox® Pool&Spa™ Shock Clear (9.4/10, 4.7 stars from 2,326 owners); Clorox Pool&Spa XTRABLUE 3” Chlorinating Tablets (9.0/10, 4.5 stars from 38,730 owners); CLOROX Pool&Spa All-in-One XtraBlue (8.8/10, 4.4 stars from 4,977 owners).

    by CLOROX Pool&Spa Format: Lawn & Patio Clorox® Pool&Spa™ Shock ClearClorox Pool&Spa XTRABLUE 3” Chlorinating TabletsCLOROX Pool&Spa All-in-One XtraBlue