These work amazingly well in the pool, but be super careful opening the container! The super intense chlorine smell can knock you out, so make sure you open it outside!!! The huge container is a great value for your money.
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This item: Clorox® Pool&Spa™ XtraBlue 3” Swimming Pool Chlorinating Tablets, Kills Bacteria & Stops Algae (25 LB)
$129.00
Get it as soon as Monday, May 19
In Stock
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$56.00 ($0.29/ounce)
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$32.54 ($1.36/count)
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From the manufacturer
Maintaining For Clean, Algae-Free WaterProper Chlorine
Surface Protection
Prevents equipment corrosion, surface stains and scale.
Long-Lasting Sunlight Protection
Enriched with a chlorine stabilizer to extend the life of your clean.
Silky Smooth Feeling Water
Contains conditioners for silky smooth feeling water.
Maintain a Clean Pool
Weekly-Use
Maintain 1 to 4 parts-per-million of Free Chlorine by applying tablets weekly.
Easy Application
Apply chlorinating tablets to your feeder, skimmer or floater.
Test Weekly
Your pool chemistry can change quickly. Test your pool water weekly to ensure your chlorine and pH remain within optimal swimming ranges.
Multi-use Smart Test Strips
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XtraBlue 3” Chlorinating Tablets
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Shock Clear
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Alkalinity Increaser
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Algaecide + Clarifier
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Crazy Clarifier
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| Customer Reviews |
4,282
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36,280
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6,124
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4,443
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12,739
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890
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| Price | $10.89 | $39.97 | — no data | $8.13 | $14.88 | — no data |
| 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 | ✓ | ✓ |
Product information
| Brand | Clorox Pool & Spa |
|---|---|
| Item Weight | 25 Pounds |
| Item Form | Tablet |
| Product Benefits | Kills Bacteria |
| UPC | 810821021463 |
| Global Trade Identification Number | 00810821021463 |
| Number of Items | 1 |
| Unit Count | 1.0 Count |
| Product Dimensions | 9.38 x 13.5 x 10.5 inches |
| Item Weight | 25 pounds |
| Manufacturer | Chem Lab Products, Inc. |
| ASIN | B00PZZFFQY |
| Country of Origin | USA |
| Item model number | 24225CLXW |
| Customer Reviews |
4.4 out of 5 stars |
| Best Sellers Rank | #101 in Patio, Lawn & Garden (See Top 100 in Patio, Lawn & Garden) #4 in Swimming Pool Chlorine |
| Is Discontinued By Manufacturer | No |
Warranty & Support
Manufacturer’s warranty can be requested from customer service. Click here to make a request to customer service.
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Compare with similar items
This Item  Clorox Pool & Spa Clorox® Pool&Spa™ XtraBlue 3” Swimming Pool Chlorinating Tablets, Kills Bacteria & Stops Algae (25 LB) | Recommendations  |  |  |  |  | |
| Price | -7% $129.00 List: $139.00 | -7% $144.99 Typical: $155.99 | -22% $115.61 List: $148.99 | $148.53 | $99.99 | -6% $14.98 Typical: $15.99 |
| Delivery | Get it as soon as Monday, May 19 | — | Get it as soon as Monday, May 26 | — | Get it May 21 - 27 | Get it as soon as Monday, May 19 |
| Customer Ratings | ||||||
| Sold By | Amazon.com | Save More On Pool Supplies | Amazon.com | MaxWarehouse | Profeliz Pool Supplies | PackFusion™ |
| form | Tablet | Tablet | Tablet | Tablet | Tablet | Tablet |
Accidentally Summoned Poseidon
I dropped one of these Clorox pool tablets into my pool, and suddenly it’s so clear, I can see every single leaf at the bottom. At this point, I’m convinced I’m swimming in a pool of pure magic. If I dive in, I might just come out looking like a supermodel with no effort. My pool used to look like the swamp from Shrek—now, it’s clearer than my life decisions after a few too many margaritas. Even my dog took one look and said, “I’m sorry, do you have a permit for that kind of sparkle?” I’m pretty sure the fish in my pool are wearing tiny sunglasses, just enjoying the view. The water is so clean, I could probably serve my next BBQ from it and no one would even blink. In fact, I’m pretty sure the neighborhood’s been coming by just to get a glimpse of it. I’m half-expecting an HG-TV crew to knock on my door any second. 10/10. It didn’t just clean my pool—it gave it a makeover worthy of a reality TV show.
Top reviews from the United States
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- Reviewed in the United States on May 6, 2025Size: 5 lb.Verified Purchase
I dropped one of these Clorox pool tablets into my pool, and suddenly it’s so clear, I can see every single leaf at the bottom. At this point, I’m convinced I’m swimming in a pool of pure magic. If I dive in, I might just come out looking like a supermodel with no effort.
My pool used to look like the swamp from Shrek—now, it’s clearer than my life decisions after a few too many margaritas. Even my dog took one look and said, “I’m sorry, do you have a permit for that kind of sparkle?”
I’m pretty sure the fish in my pool are wearing tiny sunglasses, just enjoying the view. The water is so clean, I could probably serve my next BBQ from it and no one would even blink. In fact, I’m pretty sure the neighborhood’s been coming by just to get a glimpse of it. I’m half-expecting an HG-TV crew to knock on my door any second.
10/10. It didn’t just clean my pool—it gave it a makeover worthy of a reality TV show.
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