Name: Member's Mark 99% Pure Chlorine Tablets, 40 lbs
Brand: Member's Mark
SKU: 13627871096
Availability: OutOfStock
Rating: 4.2 (189 reviews)

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Get a $30 statement credit when you open an account and use it to make $30 in eligible Sam's Club purchases within 30 days¹.

¹Offer subject to credit approval. To qualify, you must (i) apply and be approved for a Sam’s Club® credit card account and (ii) use your new account to make Sam’s Club purchases totaling $30 or more (excluding cash advances, gift card sales, alcohol, tobacco and pharmacy purchases) within 30 days of date of account opening. When you open an account online or with your mobile device, purchases cannot be made at in-club registers until the physical card is received. Your physical card should arrive in 7-10 business days from date of account opening. A $30 credit will post to the account within 90 days after the qualifying purchases are made. Offer is valid for newly opened accounts only and each account is eligible for only one $30 offer. We reserve the right to discontinue or alter the terms of this offer any time.

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Member's Mark 99% Pure Chlorine Tablets, 40 lbs

Instructions

<summary><ul><li><strong>Versatile Application</strong>: Compatible with various pool types and spas, these chlorinating tablets effectively prevent harmful bacteria and algae growth, maintaining clean, fresh water.</li><li><strong>Individualized Protection</strong>: Each 3-inch tablet is individually wrapped, ensuring maximum potency and effectiveness are preserved until the moment of use.</li><li><strong>Effective Sanitization</strong>: Works by steadily releasing chlorine, actively sanitizing the water and killing harmful microorganisms for a healthy and safe swimming environment.</li><li><strong>Effortless Maintenance</strong>: Offers unmatched convenience and ease of use, eliminating complicated measurements or messy chemical handling; simply drop into water.</li><li><strong>Long-lasting Action</strong>: Features a slow-release formula that provides a continuous sanitizing effect, ensuring long-lasting effectiveness for crystal clear water.</li><li><strong>Outdoor Durability</strong>: Resistant to sun degradation, these tablets maintain their potency and stability even when exposed to direct sunlight in outdoor pools.</li></ul></summary>

<h3>Effortless Pool Maintenance with Member's Mark Chlorinating Tablets</h3> <p>Keep your pool clean and fresh effortlessly with Member's Mark Chlorinating Tablets. Compatible with various pool types and spas, these tablets help keep your water free from harmful bacteria and algae. Each tablet is individually wrapped, ensuring maximum potency and effectiveness until use. By using Member's Mark chlorinating tablets, you can easily prevent bacteria and algae growth in your pool.</p> <h3>Effective Sanitizing and Bacteria Control</h3> <p>These chlorinating tablets work by releasing a steady stream of chlorine into the water, effectively sanitizing it and killing off harmful microorganisms. This not only keeps your pool clean but also ensures a healthy and safe environment for you and your family to enjoy.</p> <h3>Convenience and Ease of Use</h3> <p>The convenience of using these chlorinating tablets is unmatched. Simply drop a tablet into your pool or spa, and let it dissolve on its own. There's no need for complicated measurements or messy handling of chemicals. The tablets do the work for you, allowing you to spend more time enjoying your pool and less time worrying about its maintenance.</p> <h3>Long-Lasting Effectiveness and Stability</h3> <p>Member's Mark chlorinating tablets are long-lasting, providing a slow and consistent release of chlorine for a continuous sanitizing effect. They are designed to be highly stable and resistant to sun degradation, maintaining their potency even in direct sunlight. This makes them perfect for outdoor pools exposed to the elements.</p> <h3>Ultimate Solution for Pool Maintenance</h3> <p>Member's Mark chlorinating tablets are the ultimate solution for maintaining a fresh and clean pool. With their compatibility, convenience, and long-lasting effectiveness, these tablets make pool maintenance a breeze. Enjoy crystal clear water all season long with Member's Mark chlorinating tablets.</p>

Brand

Product Net Content UOM

<ul>  <li>Controls algae and bacteria, ensuring crystal clear and safe water</li>  <li>Individually wrapped 3-inch tablets for maximum potency and effectiveness</li>  <li>Easy to use: simply drop a tablet into your pool or spa and let it dissolve</li>  <li>Slow release formula provides continuous sanitizing effect</li>  <li>Resistant to sun degradation, maintaining potency even in direct sunlight</li> </ul>

Specifications

Warning Text

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<ul>
<li>Controls algae and bacteria, ensuring crystal clear and safe water</li>
<li>Individually wrapped 3-inch tablets for maximum potency and effectiveness</li>
<li>Easy to use: simply drop a tablet into your pool or spa and let it dissolve</li>
<li>Slow release formula provides continuous sanitizing effect</li>
<li>Resistant to sun degradation, maintaining potency even in direct sunlight</li>
</ul>

This is Barnie. He holds our chlorine tablets and floats around to keep our pool clean. Currently Barnie is very hungry. As you can see he is floating. He will be fed 3 chlorine tablets today. All joking aside, we like buying the large bucket. It lasts, and is very convenient. The Sam's club brand works just as well as the name brand

We like being able to buy the big bucket

I purchased this last week and it was delivered the next day. The tabs were individually wrapped. None of them are broken like other ones that I have bought from Leslie‘s.  It is 99% chlorine!  Better and less expensive to buy them from Sam’s
Very Impressed!!!

Great Product! Great Price!!

A truly excellent shopping experience—the logistics were smooth, and I am very satisfied with the product. We have been using these chlorine tablets consistently; they are highly effective at keeping our pool water crystal clear. Highly recommended!

Good thing  for pure pool

I've used these tablets in my in-ground pool for several years and they work great! They are also the cheapest I've found chlorine tabs in the past couple of years.

Great tablets for a good price.

We used these chlorinating tablets all summer in our 18ft above ground pool. They work great & don't seem to dissolve too quick in the dispenser. I do like the individual wrapped tabs. It keeps them contained and I didn't have breakage.

Recommend!

Purchased this again from Sam’s for the 2026 season. I bought it last year and I love how they came individually wrapped and in a big bucket. I saw a review that theirs were broken but my tablets are in perfect shape. I also like that they are 99% chlorine!  Buying the big bucket will last me all season and works out much less expensive than buying anywhere else.

2nd time buyer

No complaints about how these tablets perform—my pool stays clear, and the price is solid. But the last couple of buckets have been a whole different experience. So many broken tablets, and every time I open one of those individually wrapped “gifts,” I get a face full of chlorine powder. I’ve literally had to start wearing a mask just to open them. Not exactly what I expected from a bucket of pool supplies. Still worth it for the results, but seriously… can we get less of the airborne drama?

Love a Good Bargain… Hate the Chlorine Smoke Bombs

The chlorine tablets are a quality product, however, customers should note that although the price has come down, so has the size. What used to be a 50lb bucket of chlorine tablets is now 40lbs.

Smaller price comes with a smaller size

chlorine after all is a commodity.. really good price, seems to work like all the others yet. one big problem with this.. half of the tablets were crumbling. we fell apart when I took them out of the bag.. I could be wrong but I really have a feeling they were sitting in the warehouse for quite a while. they seem to work just as good, just really old..

Great price, inconsistent quality

Another excellent example of Sam's Club pricing that  diminishes the cost of membership. Price is exactly the same at other pool supply outlets.  Most pool company technicians do not like the individually wrapped tablets so I had to return for a refund.

Member's Mark 99% Pure Chlorine Tablets, 40 lbs

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