Clorox Pool&Spa 12105CLX pH Down, 5 lb

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Clorox Pool&Spa 12105CLX pH Down, 5 lb
Clorox Pool&Spa 12105CLX pH Down, 5 lb

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Product Features

  • Lowers High pH: Clorox Pool&Spa Swimming Pool pH Down is formulated to restore neutral pH in pool water. By decreasing pH levels, it helps restore water parameters to their ideal ranges, ensuring a balanced and healthy swimming environment.
  • Protects From Scale - This product provides protection against scale buildup in your pool, offering a safer and easier alternative to using Muriatic acid. Ideal for all pool types, it features an easy-pour design and splash-free application.
  • 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
  • Lowers High pH: Clorox Pool&Spa Swimming Pool pH Down is formulated to restore neutral pH in pool water. By decreasing pH levels, it helps restore water parameters to their ideal ranges, ensuring a balanced and healthy swimming environment.
  • Protects From Scale - This product provides protection against scale buildup in your pool, offering a safer and easier alternative to using Muriatic acid. Ideal for all pool types, it features an easy-pour design and splash-free application.
  • 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

Product Specifications

Brand CLOROX Pool&Spa
Item Weight 5 Pounds
Item Form Granular
Product Benefits Prevents Scale, Protects Against Skin Irritation
UPC 810821023047
Global Trade Identification Number 00810821023047
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™
ASIN B084GPS6KR
Item model number 12105CLX

Product Price History

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Related Product Deals & User Reviews

  1. Worked great on removing scale from the pool. Worked great on removing scale from the pool. I had some, what looked to be scale on the sun deck (top step of the pool) of my pool and I tried everything to get rid of it. I even tried to pressure wash it and nothing. Normally I use Acid to lower the PH in the pool but the store was out of it so I purchased some Clorox Pool & Spa pH down and sprinkled it all around the pool. While doing this it sprinkled some on this upper step of the pool and within seconds the scale seemed to disappear. Based on this I purchased another bag and sprinkled it on the sun deck. As you can see in the pictures it came out fantastic and the upper shelf looks like new.

  2. It did the job. I fill my pool with well water which is really high in alkaline and ph but this stuff did the trick to getting it brought down. It did take me nearly a whole bag for my pool but that’s not the product’ fault because like I said, the alkaline was through the roof high. Will buy this again next summer.

  3. Effective and Cheaper than Pool Supply Store. My pool supply store was completely sold out of dry acid (PH DOWN). I’m glad they were sold out! I ordered this in the hopes it would work. Worked perfectly! I liked the packaging (no thick plastic container to recycle) and the instructions were clear and easy to read. Pool is crystal clear and perfect now.

  4. Only thing that worked. This is the best product for the price. It seemed to work fast on evening out the PH in the pool. Very happy with this and will buy it again.

  5. Sure beats dangerous liquid acid. After many years of using muriatic acid I will never go back to that stuff. This powder works like a charm.

  6. Goold Product and good price. The current price is affordable comparable at this price to Liquid acid. My Ph was at or even above 8 and my TA was 140 too. I know even if I bring down the PH I need to get the TA down too (be sure your CYA is no more than 60 ppm or you need to bring it down because it interferes with the testing on TA (higher than it really is per Taylor Technologies), so remove some water and refill if you have to. This is why I use Liquid Chlorine instead of tabs because even if you started the pool with 30-50 CYA as recommened, each tab will add 6ppm CYA too and that adds up quickly causing you to go through higher amounts of Chlorine to do the job. But PH is extremely important on how much effectiveness you get out of your FC, so first PH and then address the chlorine. I have a 10,000 gal play pool and I can’t keep FC in the pool, but the first thing I am getting under control is the PH which can be done in 1-2 days with this product. 7 oz of dry acid is suppose to be equal to 1 cup liquid acid. At frst the PH was stubborn to come down the first tretment of 3 cups Chlorox PH down, but each subsequent treatment of 2 cups taking about 5 treatments in 2 half days. It went like this; started at 8 ppm with 3 cups and after was still 8ppm, next treatment started at 8, came down to 7.8 over night it went back to 8, next treatment start at 8 and dropped to 7.6, I didn’t stop there because my TA will 100 and my experience tells me it won’t hold so I did nothr treatment right away with 22 more cups and wallah ph is 7.2 and TA is now 80 which I’m hoping is low enough to stablize the PN from constantly rising. If not I will treat again (no lower than 7.2 and test TA again and see if 60 is the sweet spot. I have added non chlorine shock and alage 60 too to control any algae blooms and some chlorine too at night only. This has taken two and one half 5 lb bags of Chlorex PH down 93% to accomplish this. I am determined and hope Chlorox doesn’t increase their price or I willhave to look at other options. I can’t use and won’t use muriatic acid.

  7. Works quickly to lower PH. This is my go-to product when PH rises in my pool. Directions are clearly written on the package for how much to use, and I have found that going by those directions works quickly to get my pool water’s PH back in the normal range.

  8. Works quickly to lower PH. This is my go-to product when PH rises in my pool. Directions are clearly written on the package for how much to use, and I have found that going by those directions works quickly to get my pool water’s PH back in the normal range.

  9. love it. I recently started using Clorox® Pool&Spa™ Swimming Pool products, and they’ve made pool maintenance so much easier! The chemicals are highly effective in keeping the water crystal clear and free from algae. I especially love how simple the instructions are, and the results are noticeable after just a short time. Whether it’s shock treatments or balancing the water chemistry, everything works perfectly to maintain a clean and safe pool. If you want hassle-free pool care with great results, I highly recommend this line of products!

  10. Great price. Product works well lowering the PH in my pool and the price on Amazon is really good. Normally purchase at Walmart but save $2 a bag going Amazon.

  11. Great price. Product works well lowering the PH in my pool and the price on Amazon is really good. Normally purchase at Walmart but save $2 a bag going Amazon.

  12. Great price. Product works well lowering the PH in my pool and the price on Amazon is really good. Normally purchase at Walmart but save $2 a bag going Amazon.

  13. Great price. Product works well lowering the PH in my pool and the price on Amazon is really good. Normally purchase at Walmart but save $2 a bag going Amazon.

  14. acidifier and clarifier. This stuff is a strong granulated acid. It’s also a good clarifier when it’s offset with baking soda. It may contribute to bleaching the pool liner. I previously used Clear Balance but the price went up too much.

  15. inexpensive, does the job. See headline.

  16. inexpensive, does the job. See headline.

  17. Excellent product. Much easier to use than liquid acid. Does the job exactly the same. My pool looks fantastic

  18. Love the Clorox line. It worked as expected.

  19. Clorox. Clorox is a well known brand and I’ve always had great luck with using their products. This cleaned up my pool issue of Green water and returned it to its clear state. Definitely will buy again to maintain the proper pH in my water. Very good price for the amount that you get dissolves very well.

  20. Good Product. Good Product

  21. They Work Great. Best I’ve tried. They are big, but do fit my 10gal shop vac.

  22. pH down. I was kinda tired of using Muriatic Acid and having to be so careful and the fumes. I tried this and it works great. I use the recommended amount on the bag and it gets my pH right within about 45-60min. I love it

  23. Works Great at lowering PH. Works great at lowering the ph. Easy to use just follow measurement on bag.

  24. Ph down very low price. This is a GREAT product, and priced so low, you won’t believe it. I have been so happy with this since I found it.

  25. Love it. Does the job!

  26. Reliable and Effective pH Control for Crystal Clear Pool Water. Maintaining the perfect pH balance in my pool has always been a priority, and the Clorox Pool&Spa™ pH Down has become an indispensable part of my pool care routine.Quick and Efficient pH Reduction:This product works swiftly to lower high pH levels, bringing the water back to the ideal range of 7.2 to 7.8 ppm. I’ve noticed that after application, the pH levels stabilize within a few hours, ensuring the water remains comfortable for swimmers and safe for pool equipment.User-Friendly Application:The granulated formula dissolves quickly without clouding the water, making it easy to apply. The packaging provides clear instructions, and the resealable bag ensures safe and convenient storage.Enhanced Safety Compared to Alternatives:Unlike liquid acids, this dry acid is safer to handle, reducing the risk of spills and fumes. It’s a more manageable option, especially for residential pool owners seeking effective results without the hazards associated with harsher chemicals.Additional Benefits:Regular use of this product not only maintains optimal pH levels but also helps prevent scale formation on pool surfaces and equipment. This proactive approach extends the lifespan of pool components and ensures a more enjoyable swimming experience.Final Thoughts:The Clorox Pool&Spa pH Down is a reliable and effective solution for maintaining balanced pool water. Its ease of use, safety, and efficiency make it a top choice for both novice and experienced pool owners. I highly recommend it to anyone looking to keep their pool water crystal clear and perfectly balanced

  27. Great for chlorine only pools. Works well but not with salt water pools

  28. Horny Trumpeter July 14, 2025 at 12:00 am

    Did the job for less. I bought this item to save a little money as opposed to buying a similar product from our local pool supplier. Its purpose is to lower the ph level in our above ground pool. My wife has sensitive skin and felt fine in the treated water. Mission accomplished, money saved. Highly recommended.

  29. Works Fast and Keeps My Pool Balanced. I’ve been using Clorox Pool&Spa pH Down for a couple of seasons now, and it never disappoints. Whenever my pool’s pH creeps too high, just a small amount of this brings it right back into the ideal range. It works quickly and helps prevent cloudy water, scale buildup, and skin irritation.The instructions are clear and easy to follow, even for pool owners who are still learning the ropes. I love that it’s compatible with all types of pools, and the container is easy to store and pour from without making a mess.A must-have for keeping your pool water balanced and crystal clear. Highly recommend!

  30. Works as intended. Works as intendedPackaged well

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