Clorox Pool&Spa 12004CLX Chlorine Stabilizer, 4 lb, 4lb

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Clorox Pool&Spa 12004CLX Chlorine Stabilizer, 4 lb, 4lb
Clorox Pool&Spa 12004CLX Chlorine Stabilizer, 4 lb, 4lb

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Product Features

  • Prolongs Chlorine Effectiveness: The Chlorine Stabilizer protects your pool's chlorine from the damaging effects of the sun's harsh UV rays, thereby making chlorine last much longer, allowing you to enjoy consistently clean and sanitized pool water.
  • Reduces Sun's Impact on Chlorine: This product minimizes the effect of sunlight on chlorine loss, protecting your chlorine from burning off. By using a chlorine stabilizer, you ensure longer-lasting sanitization, reducing the need for frequent product application to your pool.
  • Ideal for Salt Pools: Our Chlorine Stabilizer is particularly well-suited for saltwater pools. It offers reliable protection against the corrosive effects of sunlight on chlorine generated by salt cells.
  • 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
  • Prolongs Chlorine Effectiveness: The Chlorine Stabilizer protects your pool's chlorine from the damaging effects of the sun's harsh UV rays, thereby making chlorine last much longer, allowing you to enjoy consistently clean and sanitized pool water.
  • Reduces Sun's Impact on Chlorine: This product minimizes the effect of sunlight on chlorine loss, protecting your chlorine from burning off. By using a chlorine stabilizer, you ensure longer-lasting sanitization, reducing the need for frequent product application to your pool.
  • Ideal for Salt Pools: Our Chlorine Stabilizer is particularly well-suited for saltwater pools. It offers reliable protection against the corrosive effects of sunlight on chlorine generated by salt cells.
  • 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 4 Pounds
Item Form Granular
Product Benefits Maintains Clean Sanitized Water
UPC 810821023283
Global Trade Identification Number 00810821023283
Number of Items 1
Unit Count 4.0 Count
Product Dimensions 4.4 x 10 x 11.5 inches
Item Weight 4 pounds
Manufacturer Clorox® Pool&Spa™
ASIN B084GPVPMM
Item model number 12004CLX

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Product Price History

Price history for Clorox® Pool&Spa™ Swimming Pool Chlorine Stabilizer, Helps Chlorine Last Longer, Saltwater Pool Compatible, 4LB (Pack of 1)
Latest updates:
  • $18.97 - December 1, 2025
  • $23.18 - October 30, 2025
  • $18.97 - October 6, 2025
  • $23.18 - September 29, 2025
  • $18.97 - August 29, 2025
Since: August 29, 2025
  • Highest Price: $23.18 - September 29, 2025
  • Lowest Price: $18.97 - August 29, 2025

Related Product Deals & User Reviews

  1. Does what it’s supposed to….increases CYA and makes my chlorine last longer. Good price and does what I need it to do. Despite the instructions, DO NOT ADD THIS PRODUCT TO YOUR SKIMMER BASKET! And definitely do not pour it straight into the water. These are larger granules and take longer to dissolve than other pool chemicals. Put it in a sock, tie it with a string (make sure it is strong enough), tie it to something so it dangles right in front of the jet return where the water comes out and squeeze the sock occasionally. This took me about an hour but may take longer depending on the amount and frequency of squeezing, LOL. Yes, it sounds weird, but it works. Google “cya sock method” for more info.I needed to increase my CYA from 30 to 40 ONCE AGAIN due to all of the rain, splash out from swimming, and adding hose water every other day due to evaporation and some slow leaks. This stuff does exactly what I needed it to do, and that was raise my CYA level. Now my pool holds my liquid chlorine (which does not contain any stabilizer, unlike chlorine pucks) and makes it last much longer so I’m not going through 4 gallons of regular bleach every week!I recommend this product! Just make sure you have a reliable testing kit to check your CYA levels and I do not recommend using this product if you are using chlorine tablets (trichlor) or other forms of stabilized chlorine (dichlor aka “shock”) which already contain stabilizer in them and will cause your CYA to get too high, which causes BIG problems – but that is a discussion for another day! Happy swimming, y’all! 🙂

  2. Does what it’s supposed to….increases CYA and makes my chlorine last longer. Good price and does what I need it to do. Despite the instructions, DO NOT ADD THIS PRODUCT TO YOUR SKIMMER BASKET! And definitely do not pour it straight into the water. These are larger granules and take longer to dissolve than other pool chemicals. Put it in a sock, tie it with a string (make sure it is strong enough), tie it to something so it dangles right in front of the jet return where the water comes out and squeeze the sock occasionally. This took me about an hour but may take longer depending on the amount and frequency of squeezing, LOL. Yes, it sounds weird, but it works. Google “cya sock method” for more info.I needed to increase my CYA from 30 to 40 ONCE AGAIN due to all of the rain, splash out from swimming, and adding hose water every other day due to evaporation and some slow leaks. This stuff does exactly what I needed it to do, and that was raise my CYA level. Now my pool holds my liquid chlorine (which does not contain any stabilizer, unlike chlorine pucks) and makes it last much longer so I’m not going through 4 gallons of regular bleach every week!I recommend this product! Just make sure you have a reliable testing kit to check your CYA levels and I do not recommend using this product if you are using chlorine tablets (trichlor) or other forms of stabilized chlorine (dichlor aka “shock”) which already contain stabilizer in them and will cause your CYA to get too high, which causes BIG problems – but that is a discussion for another day! Happy swimming, y’all! 🙂

  3. It does dissolve fast…in a sock. It does dissolve fast….i have an 8400 gallon above ground pool. I added the stabilizer into a long sock and held it near the jet that shoots out into the pool. It took a minute to start dissolving. It went quicker by smushing it around in the sock and it took approximately about 20 minutes to get all 2 lbs of it dissolved. Once it is smushy in the sock, you can take it around the pool and squeeze it to distribute it all around. Saw it in a youtube video. Not much to it….but if you just pour it right into the pool, yeah that will take days for it to dissolve. Oh use gloves while doing the sock method. Hope this helps.

  4. Granulated Cynauric Acid. Our pool was using a ton of chlorine. Foolish me didn’t realize how quickly it dissappears without a stabilizing agent. Added the appropriate amount and chlorine has been lasting much longer.Get you a good test strip kit. Do some basic research on pool chemicals and balance. Understand what each component does and why it’s needed. Use an online calculator to get you the right ratios for your size pool. After doing that, you should have a relatively clear pool. Also, stop peeing in the pool.

  5. Totally works, great price here. I got my CYA up fast, until my cya came up from the chlorine pucks. We hvae a new pool and this got all my chemistry in the right zones

  6. Quality pool stabilizer delivered to your door. I save about $5 buying this stabilizer from Amazon prime. Why pay more at a pool store!

  7. Helps with chlorine stability. I’m on a salt cell generator so I need to manually raise by CYA levels. This has been a staple in our pool house to keep the Texas sun from destroying the chlorine. Like all CYA I wish it dissolved easier, but with the sock method, I can get it in the pool.

  8. Good product, but use with caution. This is a good product, but be careful when using it, and only add a limited amount at a time. If you’re conducting a CYA test and the result is less than 10, don’t assume you’re at 0. Try adding 10 PPM at a time. It’s much easier to do this and stay safe than it is to exceed the limit and be forced to drain your pool. If you’re using chlorine pucks, be aware that these pucks also add CYA to your pool. If you notice your CYA levels rising too quickly, stop using pucks and granular shock, and start using highly concentrated chlorine bleach as an alternative, which is sometimes branded as liquid pool shock. Bleach is alkaline, which will cause your pH to start rising, but lowering your pH is a much easier task than lowering your CYA, which, again, requires draining your pool proportionally.

  9. Sunscreen for your Chlorine. Great price and super effective to protect your pool’s chlorine. This product acts like a sunscreen for the chlorine so the sun doesn’t burn it away. Dissolves very fast and mixes with the pool water to ensure it helps stabilize your chlorine’s level. Remember to add more when you do a filter flush!

  10. Sunscreen for your Chlorine. Great price and super effective to protect your pool’s chlorine. This product acts like a sunscreen for the chlorine so the sun doesn’t burn it away. Dissolves very fast and mixes with the pool water to ensure it helps stabilize your chlorine’s level. Remember to add more when you do a filter flush!

  11. Sunscreen for your Chlorine. Great price and super effective to protect your pool’s chlorine. This product acts like a sunscreen for the chlorine so the sun doesn’t burn it away. Dissolves very fast and mixes with the pool water to ensure it helps stabilize your chlorine’s level. Remember to add more when you do a filter flush!

  12. Effective Swimming Pool Chlorine Stabilizer. This chlorine stabilizer works great, maintaining optimal chlorine levels and preventing rapid degradation. It’s easy to use and keeps the pool water balanced. Highly effective and essential for pool maintenance.

  13. Nicole Augustine August 21, 2024 at 12:00 am

    It’s okay. It worked okay but it didn’t dissolve well.

  14. Simple and straightforward. This product worked exactly as needed. Packaging made it simple and easy to save a new product product was clearly manufactured well and packaged well.

  15. Works great. Much better value than what they sell in pool supply store!

  16. Extends chlorine life. This product works well, it extends the life of chlorine without having to add more chlorine

  17. Works great. Got our pool back in balance and we were back in business.

  18. Great. Great value, great results and will be repurchsing. Price point less than local pool store.

  19. Great. Great value, great results and will be repurchsing. Price point less than local pool store.

  20. MARIOS KOUROUNIADES December 25, 2024 at 12:00 am

    Good quality. Very effective Disolves relatively easy

  21. MARIOS KOUROUNIADES December 25, 2024 at 12:00 am

    Good quality. Very effective Disolves relatively easy

  22. Great item. Use this for my hot tub. Works great!

  23. Great item. Use this for my hot tub. Works great!

  24. Never fails. A trusted brand for us.

  25. Great quality. I recently got a pool stabilizer from Amazon, and it’s been a game-changer for my pool. It really helps keep the chlorine levels steady, so I don’t have to mess with the chemicals as often. The water stays clear and nice, making swimming much more enjoyable.The product info on Amazon was spot-on, with easy-to-follow instructions. Plus, the reviews from other buyers were super helpful in deciding to go for it.The price was pretty fair for what it does, and it arrived quickly and in good shape. Overall, I’d definitely recommend this pool stabilizer to anyone looking to keep their pool in great condition with less hassle.

  26. Easy Pool Care With Reliable Results. Maintaining a pool can sometimes feel overwhelming, but this chlorine stabilizer from Clorox has made the job much easier for me. The product does exactly what it claims. It helps chlorine last longer which means I am not constantly adding tablets or shocking the water as often. Once mixed in, it keeps the water balanced for weeks and I have noticed a real difference in how steady my chlorine levels stay.One thing I appreciate is how straightforward it is to use. The instructions are clear and the granules dissolve well when added slowly to warm water before pouring into the skimmer. It does take a little patience because stabilizer is not instant, but once it is in the water and circulated properly, it delivers consistent results.Compared to other brands I have tried, this stabilizer seems more effective at maintaining chlorine levels even during hot summer weeks when the sun usually burns chlorine away quickly. I also feel like I am saving money on chlorine products because they are lasting much longer.Pros: reliable performance, clear directions, noticeable improvement in chlorine efficiency, and trusted Clorox quality.Cons: it can take a full day or two for the stabilizer to fully dissolve so you need to plan ahead but that is expected with any stabilizer.Overall this is a must have for pool owners who want less hassle and clearer water. It has become part of my regular pool maintenance routine and I highly recommend it.

  27. Its a decent product. Works well for my pool. Easy to use, just follow the instructions on the bag. Keeps my chlorine working well and helps it last longer. Good for painting my pool. I would recommend it.

  28. Worth the cost and works as intended. I have a 36,000 gallon pool and need about 8-10lbs of stabilizer a year. I used to buy it from my local pool store because I like to give them the business so they stay in business. Finally though, decided to buy it online because it’s about half the cost.The only complaint I have is that it takes so long to dissolve (seems to be all brands). What I do is put about 3 lbs in a knee high stocking, tie the end and hang it in front of a return jet. After about 3 hours, it softens up and you can squeeze the stocking (keeping it in front of the jet) and it readily dissolves.

  29. Quality & Cost. Swimming Pool Chlorine Stabilizer package size makes good ease of use there was no leakage. Price is fair but would be better if cost was a little less, even a coupon would help.

  30. Does the job. The only thing I don’t like about this product is it takes forever to dissolve and you’re not just supposed to let it sit there. So you have to move it around for about 20 minutes before it dissolves. I don’t know if there’s any alternative. When it needs to be done, you do it.

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