Costco Chlorine Tablets, Clorox Pool & Spa Xtra Blue


Costco sells these Clorox Pool & Spa Chlorine Tablets for $87.99. Scroll down for photos. Summer isn’t quite here yet, but it’s a good time to start thinking about those summer days. Make sure to get your pool cleaned and ready to go for summertime! With quarantine affecting most people for the last year or so, I’m sure people are ready to get out. Hopefully bans will be lifted on gatherings & we can have a normal party again. This means you better have your pool cleaned and ready for use. These are your standard Clorox XTRABLUE 3″ chlorinating tablets, which are meant for your pool or spa. This is one of the better deals around, so get them while you can. Here are a few more details about these Costco chlorine tablets……

  • Clorox Pool & Spa XtraBlue 3 inch tablets (40 Pounds)
  • 6 in 1 Formula
  • Kills Bacteria
  • Softens Water
  • Controls Algae
  • Sunlight Resistant
  • Helps Prevent Corrosion

*Disclosure: I only recommend products I would use myself and all opinions expressed here are our own. This post may contain affiliate links that at no additional cost to you, I may earn a small commission. Read full privacy policy here. 

Costco Clorox Pool & Spa XtraBlue 3″ Chlorinating Tabs


This bucket comes with approximately 80 3 inch tablets. It’s the 40 pound value size. I think Costco used to sell a 50 pound bucket in the past, but now it’s 40 lbs. Costco doesn’t sell this online probably because of the shipping, so it’s best to get it in store. If you can’t find it in store or you want to check out some of the other highly rated 3 inch tablets, make sure to check out the following links. There are a few other brands besides Clorox & they are very HIGHLY RATED. Check out the links here…….

Price: $87.99, Item Number: 958894

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6 thoughts on “Costco Chlorine Tablets, Clorox Pool & Spa Xtra Blue

  1. do you have the chlorox 3″ chlorine tablets for pools in stock at warehouse or do I need to order them on line item # 958894

    1. They are in stock in the local Costco’s near me. I live in Northern California. You may want to visit your local Costco first & check the item number to see if they have it, will have it, or have it nearby. It will save you on shipping. Let me know if you end up finding it

  2. Looking for a store near me to buy the clorox xtrablue chlorine tablets advertised above. My zip is 11934. Can’t find it via local web page.
    Thanks in advance!
    Gene

    1. Hi Gene. Costco doesn’t have an inventory tracker online. You would need to call your local Costco to see if they stock these Chlorine Tablets. It doesn’t look like there is a Costco on Long Island so I would call the few Costco’s near you and see if they stock them. Wouldn’t want to waste a trip if they’re not in stock. They should be able to help you. Hope that helps

    2. My Costco in the NY area had a different brand a month or so ago, maybe HTH. Pretty sure they sold out of that and the shock very quickly due to chlorine shortages.
      Also, on a side note these Clorox brand chlorines have high amounts of stabilizers which can build up and cause problems which will require draininng/refilling water to dilute.

      1. I saw that HTH at the store also. I’m kicking myself for not snapping some pictures of it because it was right next to this Chlorine. Thanks for the tips on Chlorine usage. That’s good to know

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