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Sams 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
stars4,152 ratings1,151 reviews
  1. 5 stars85% (3,517)
  2. 4 stars8% (332)
  3. 3 stars3% (122)
  4. 2 stars1% (62)
  5. 1 star3% (119)

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Showing 421-430 of 1,151 reviews
Jul 12, 2023
SamFromSC
1 out of 5 stars review

Buyer Beware

This product sent our stabilizer through the roof, have partially drained twice, but still very high, we'll have to totally drain our pool. Buyer's beware!!

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Jun 19, 2023
Momma knows
1 out of 5 stars review

Broken tablets

It's nice that these tablets are individually wrapped but almost every single one is broken into a million pieces. I'm sure they will dissolve much quicker since it's basically in powder form. For the price I expect intact tablets.

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Jun 1, 2023
Nope
5 out of 5 stars review

Verified Purchase

Sams app/ free delivery/on sale/+glass mexico coke

Delivery was great! On sale to boot! Love the sams club app vs the other stores- don’t change anything - thank you for bringing back glass bottle Mexico Coca-Cola in stores too!

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Apr 26, 2025
Heather
2 out of 5 stars review

Shrinkflation strikes again.

This is a great product. However, it used to be 50 pounds. Now it is 40 pounds. We are actually paying more for 20% less product. Prices on chlorine have skyrocketed since the pandemic.

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Jul 30, 2017
asudevils
4 out of 5 stars review

Quality product at an affordable price!

I have been using Member's Mark for over 5 years with no problems, same quality as your typical pool supply stores at much cheaper prices. Not sure why others have left such bad reviews... maybe it's the competition?

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Apr 22, 2025
Paul
2 out of 5 stars review

Shrinkflation

The chlorine is good, but shrinkflation got it. Sam's claims it's a new lower price,but in reality it costs more because it went from 50 pounds to 40 pounds. I remember when 50 pounds cost less than $100 a few short years ago.

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May 28, 2022
Laney
2 out of 5 stars review

Verified Purchase

Top notch container

These pool tablets last us a year which is a good thing but having to pay an increase of 93% verses last year price was a real shock. Container top quality and each tablet is warped individually. I gave it a 2 star due to the price increase.

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Jun 15, 2021
Mama bear W
5 out of 5 stars review

Best value out there, especially right now!

Been using this chlorine for years. Finally ran out of the bucket from a year ago & luckily caught it in stock @ my local club. Even with the “chlorine shortage” going on right now, this is still the best value out there.

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Jul 15, 2015
aHoward
5 out of 5 stars review

Good quality

I bought these tablets on 7-14-15. They ARE individually wrapped. I ran my filter over night with 3 tablets in one of the skimmers and they are about half dissolved as I would expect. They are the best value I could find.

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Jul 5, 2025
anonymous
1 out of 5 stars review

Bad chemical Burns from tablets.

We have had our pool for twenty three years. i bought these tablets this year and they give both of my children and the neighbors children really bad chemical burns. Ireturned them for a refund. they also irritated the adults, eyes, nose and mouth. i would not recommend buying these

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