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Clorox® Pool&Spa™ Swimming Pool Alkalinity Increaser, Keeps pH Balanced, 5LB (Pack of 1)

  • Based on 4,651 reviews
Condition: New
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Availability: In Stock.
Fulfilled by Amazon

Arrives Wednesday, Oct 8
Order within 8 hours and 36 seconds
Available payment plans shown during checkout

Size: 1 Count (Pack of 1)


Features

  • For Raising Total Alkalinity: The Alkalinity Increaser helps maintain balanced pH levels in your pool water. Proper alkalinity levels reduce the need for frequent maintenance, and our product's granulated formula is easy to apply and dissolves quickly.
  • Improves Swimmer Comfort: This product plays a crucial role in enhancing swimmer comfort by preventing eye and skin irritation caused by unbalanced pH. It helps prevent dry, itchy skin and red, burning eyes, ensuring 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.
  • Perfect for All Pools: Clorox Pool&Spa Swimming Pool Chlorine Stabilizer is perfect for new pools, freshly refilled pools and pools that use liquid chlorine.
  • 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 Alkalinity Increaser, Keeps pH Balanced, 5LB (Pack of 1);12005CLX.

Brand: Clorox Pool & Spa


Item Weight: 5 Pounds


Item Form: Granular


Product Benefits: Corrosion,Alkalinity Increaser,Skin Irritation


UPC:


Brand: Clorox Pool & Spa


Item Weight: 5 Pounds


Item Form: Granular


Product Benefits: Corrosion,Alkalinity Increaser,Skin Irritation


UPC: 810821023085


Global Trade Identification Number: 85


Number of Items: 1


Unit Count: 80.0 Ounce


Product Dimensions: 4.4 x 9 x 10.5 inches


Item Weight: 5 pounds


Manufacturer: Clorox Pool&Spa


Item model number: 12005CLX


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Wednesday, Oct 8

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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Top Amazon Reviews


  • Cost effective
Size: 1 Count (Pack of 1)
Like pH up, this is a basic chemical, no fancy blends of various complicated compounds. So why spend more? These Clorox spa chemicals have been the most cost effective I’ve found. The hardness increaser, pH up and this alkalinity increaser have all been excellent values. They are nicely granulated, and flow without undue caking. For convenience I do refill my original plastic containers from out spa starter kit. But these Clorox products are nearly half the cost of the spa shop and the lowest cost I’ve found so far. Storing the remainder in the resealable bags has not been a problem with shelf life either. Our spa is small so we use small amounts, this stuff will ladt use for a few years. ... show more
Reviewed in the United States on August 2, 2025 by ChemE_75

  • Good product
Size: 1 Count (Pack of 1)
All I needed for my barrel outside no more mosquito, very much durable
Reviewed in the United States on June 25, 2025 by Marcus & Datoya Smith

  • Will buy again!
Size: 1 Count (Pack of 1)
Love this product! Great value for the size. Clears up my pool rather quickly and leaves the water feeling great. Easy maintenance with less product required. Will definitely continue to purchase during pool season!
Reviewed in the United States on August 16, 2025 by TML2019

  • Damaged packaging
Size: 1 Count (Pack of 1)
Product is good but packaging was damaged on arrival. Thankfully not much spilled out
Reviewed in the United States on May 26, 2025 by Heath P. Heath P.

  • Works, and much cheaper than pool stores
Size: 1 Count (Pack of 1)
Works, and much cheaper than pool stores. I fill the old bottle with some of this as needed.
Reviewed in the United States on July 22, 2025 by Richard Widman

  • Works awesome
Size: 1 Count (Pack of 1)
This works great. One package had small tear on arrival, but it was in another box so wasn't a huge deal. The product itself works awesome. Chart on back works great for getting alkalinity to where it needs to be (which also increased PH as expected to where it needed to be). No issues at all with it as far as clarity, dissolve rate, etc. ... show more
Reviewed in the United States on June 14, 2025 by Amazon Customer

  • Works great!
Size: 1 Count (Pack of 1)
Works perfectly in the pool and I don’t use as much ph additives or other chemicals.
Reviewed in the United States on July 29, 2025 by Robert Brzezinski.

  • GOOD BUY
Size: 1 Count (Pack of 1)
Good price for a pool necessity for balancing alkalinity. Delivered same day!
Reviewed in the United States on June 30, 2025 by Circle B Ranch

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