Good price but poor product. I used 2 buckets of this in a season and a half (in Georgia) before I realized this product is very weak and does not get the job done. I used to buy Poolbrand chlorine at Sams and never had an issue. I've been maintaining my pool for almost 20 years and never run into a problem with any brand of chlorine until using members mark brand. Oh, by the way, I returned half of the second bucket and sams gave me a refund.

Excellent packaging

I have been purchasing this item for 3 seasons now and have never had anything but great results. Products I purchased prior to that were always hit and miss (similar to many of the reviews here) but never an issue with this one. On my way to Sam's to buy a new one now. Great price too!

We have a 50 year old concrete pool measuring 25 x 50 by 8 ft deep with an antiquated skimmer system, so tablets are out of the question. All other brands of granular chlorine are calcium hypochlorite with only about 65% active ingredients. This brand from Sam's Club has been providing us sparkling water for several years now and it is 99% active sodium dichloro-s-triazinine, which is what the tablets are made from and it dissolves instantly and leaves no residue on the bottom like the other aforementioned products. We use it for shock and daily maintenance as required. And the price is great, not to mention we need to use 35% less.

Awesome product at a great price! I've used it for more than 5 years and it works perfectly. Based on the negative reviews, I would recommend you check the active ingredients in this product against your other chemicals to ensure compatibility. I've used several different chlorine granular products, but none work better than this one.

Love this, we try to get it every year, 4 stars because it's still so expensive!

Works ok. Would be better if active ingredient was at a higher level.

Way overpriced and definitely not as good as Clorox.

MembersMark pool chlorine is awesome. It works very well.

Love this stuff for our pool thank you Sam's