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Sam's Club
Customer reviews for Member's Mark Chlorinating Granules, 40 lbs for
Member's Mark Chlorinating Granules, 40 lbs
4.7 out of 5 stars
stars3,818 ratings818 reviews
  1. 5 stars86% (3,280)
  2. 4 stars8% (292)
  3. 3 stars3% (101)
  4. 2 stars1% (50)
  5. 1 star2% (95)

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Showing 1-10 of 818 reviews
Oct 15, 2025
betty
5 out of 5 stars review

Verified Purchase

lower the regular price.

Better price! Chlorine has gotten so expensive. There is no real reason for that now the plants are up and running. Sam's club needs to sell it at 79.99 regular price.

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Jun 25, 2025
Mike
5 out of 5 stars review

Verified Purchase

Loving this product better than others I have used

Since purchasing our pool, I have been purchasing the 1 pound packs of shock from an online retailer. I’ve been putting one or two of those in each time that I treat the pool. This year, I was not able to get that delivered so I purchased this product from Sam’s Club. I was amazed to find out that just 4 ounces covers a 10,000 gallon pool. That means this product is much cheaper than the 1 pound bags I was purchasing because of its concentration. The pool has been very clear since I began using this. I am so thankful for shortages and inconveniences.

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Aug 27, 2025
Sim
5 out of 5 stars review

Verified Purchase

Good product but too costly

I have been using this product for years, it keeps my pool's balanced and clean with less maintenance. However, what I'm only disappointed is the cost which doubled in the past three years, the inflation made me sick !!! Hope the price is brought down soon.

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Oct 18, 2025
Azoasis
5 out of 5 stars review

Verified Purchase

Pool needs

Great value when it’s on sale

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Jul 5, 2025
Bobby Z
5 out of 5 stars review

Verified Purchase

Best price per lb / Individually wrapped

At $119.00 sale price, that puts the price per lb at just about $3 which is the best deal that we could find anywhere, We were happy to see that each chlorine puck is individually wrapped in the container also.

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Aug 26, 2025
Person
5 out of 5 stars review

Verified Purchase

Great product with a great price

The price point is awesome and it's not full of weird stuff and doesn't have high cya so it works better. It's in the same level as the pool company ones at half the price. The individual wrapping is nice because I can grab a few to fill the float and not have the chlorine smell stuck to my hand. Also awesome that it was on an extra special bonus for a new store.

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Dec 4, 2025
David
3 out of 5 stars review

Verified Purchase

3 inch pool clorine

Not a bad price. Wish there was a 50lb option to lower cost.

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Mar 16, 2024
Paula
2 out of 5 stars review

Verified Purchase

Bring the price down

These have more than doubled in price. I realize the supply shortage and demand during the pandemic raised the price but the supply should be stable now and I feel it is greed either on the manufacturer or retailer or both that keeps the price so high. That’s the main reason for the inflation of many products. Just because they can!! The product is fine but the COST is NOT!

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Jul 4, 2024
Joe b
2 out of 5 stars review

Verified Purchase

Chlorine or gold

I had a super hard time finding the chlorine in stock. I finally bought some for $199 / 40#. Then it goes on sale and they wouldn't do a price adjustment for me. They said I had to return and rebuy. Ridiculous!

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Nov 5, 2023
Anonymous
1 out of 5 stars review

Verified Purchase

Great product, not so great price

Great product, but way too expensive. Used to be $90 and now it’s $200. I heard there was a major chlorine tab supplier that burned down, but that was a few years ago, so don’t understand why the price has not come down

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