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Clorox® Pool&Spa™ Swimming Pool pH Up, Raises pH, Protects Against Eye and Skin Irritation, 4LB (Pack of 1)

  • Based on 11,688 reviews
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Availability: In Stock.
Fulfilled by Amazon

Arrives Thursday, Apr 23
Order within 20 hours and 1 minute
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Size: 1 Count (Pack of 1)


Features

  • Improves Swimmer Comfort: This product plays a crucial role for swimmer comfort, as it prevents eye and skin irritation caused by low pH. It aids in preventing dry, itchy skin and red burning eyes for a more pleasant swimming experience.
  • Protects Pool Equipment from Corrosion: By keeping your pool's pH level balanced, this product helps prevent equipment corrosion, allowing you to spend less time maintaining and more time enjoying your swimming pool.
  • Preserves Pool & Equipment - Unbalanced water can cause a corrosive environment that damages your pool surfaces or equipment. This product reduces pool maintenance, extending the life of your pool's cleanliness.
  • Clorox Pool App: Test like an expert anytime, anywhere with the Clorox Pool App. Solve common swimming pool problems and get personalized product and dosage recommendations

Description

Clorox Pool&Spa Swimming Pool pH Up, Raises pH, Protects Against Eye and Skin Irritation, 4LB (Pack of 1);12104CLX.

Brand: CLOROX Pool&Spa


Item Weight: 4 Pounds


Item Form: Granular


Product Benefits: Corrosion,Ph Increaser


UPC:


Brand Name: CLOROX Pool&Spa


UPC: 810821023061


Item Type Name: pH Up, 4 lb.


Manufacturer: Clorox® Pool&Spa™


Unit Count: 1814.4 Grams


Item Form: Granular


Product Benefits: Corrosion,Ph Increaser


Item Weight: 4 Pounds


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Thursday, Apr 23

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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  • Affirm Financing
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  • Financing through Apple Pay
Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

Top Amazon Reviews


  • Keep Your Pool Perfectly Balanced
Size: 1 Count (Pack of 1)
Maintaining the right pH level in your swimming pool is essential for a safe, comfortable, and sparkling clean swim experience. Swimming Pool pH Up is a product designed specifically to raise the pH level when it falls too low, preventing corrosion, irritation, and cloudy water. This product is ideal for pool owners who regularly test their water and want an easy, effective way to adjust the chemistry. Its formula works quickly to increase pH without causing drastic swings, helping you maintain a balanced pool environment. Using Swimming Pool pH Up is straightforward: simply measure the water’s pH, calculate the needed amount, and add it to your pool according to the instructions. What stands out is how reliable and predictable the results are, making pool maintenance less of a hassle. It blends well, avoids residue, and keeps the water clear and inviting. Plus, it helps protect pool equipment and surfaces by preventing acidic damage. Overall, Swimming Pool pH Up is a must-have for anyone serious about pool care. It offers peace of mind that your water stays balanced and safe for swimmers. If you want a hassle-free way to keep your pool’s chemistry in check, this product delivers consistent performance with minimal effort. ... show more
Reviewed in the United States on January 9, 2026 by Sheri Lynn

  • Reliable and Effective – A Must-Have for Pool Maintenance
Size: 1 Count (Pack of 1)
I’ve been using Clorox Pool&Spa pH Up for several seasons now, and it has consistently delivered excellent results. Maintaining the correct pH balance in my pool is crucial for both swimmer comfort and equipment longevity, and this product makes it straightforward. Fast-Acting and Easy to Use: The granulated formula dissolves quickly, allowing for rapid adjustments to the pool’s pH levels. The easy-pour application bag simplifies the process, making it convenient even for those new to pool maintenance. Improves Swimmer Comfort: Since incorporating this product into my pool care routine, I’ve noticed a significant reduction in eye and skin irritation among swimmers. Maintaining a pH level between 7.2 and 7.6 has never been easier. Protects Pool Equipment: Balanced pH levels are essential to prevent corrosion of pool equipment. Using Clorox pH Up has helped in preserving the integrity of my pool’s components, saving me from costly repairs. Trusted Brand: Clorox is a name I trust, and their pool products uphold the quality and reliability I expect. This pH increaser is no exception. Final Thoughts: If you’re looking for an effective solution to maintain optimal pH levels in your pool, Clorox Pool&Spa pH Up is an excellent choice. It’s user-friendly, efficient, and backed by a reputable brand. ... show more
Reviewed in the United States on May 8, 2025 by RMR

  • Does as advertised
Size: 1 Count (Pack of 1)
Does as advertised. Will buy again.
Reviewed in the United States on February 28, 2026 by JKT

  • Value for the features
Size: 1 Count (Pack of 1)
Great price per pound, Tks
Reviewed in the United States on August 28, 2025 by Mike Kemper

  • Delivery at 4:20 am too early
Size: 1 Count (Pack of 1)
Product is fine but Amazon delivered at 4:20 am? Really....
Reviewed in the United States on January 1, 2026 by Amazon Customer

  • Works great in my spa
Size: 1 Count (Pack of 1)
Works great in my spa just dont put too much or it makes the bottom and sides crusty, my fault not the product.
Reviewed in the United States on January 19, 2026 by Tracy Grisez

  • pool maintenance
Size: 1 Count (Pack of 1)
I use this product in my swimming pool often during the summer with good results
Reviewed in the United States on April 1, 2026 by Donna W.

  • Clorox pool&pa excelente calidad
Size: 1 Count (Pack of 1)
Un clolo que me dejo mi ropa fuera de manchas fue facil dw aplicar y su calidad impreciona
Reviewed in the United States on March 24, 2026 by Maikel González Romero

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