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Customer reviews for Member's Mark Quick Dissolve Shock, 24 ct. for
Member's Mark Quick Dissolve Shock, 24 ct.
4.5 out of 5 stars
stars
151 ratings36 reviews
  1. 5 stars77% (117)
  2. 4 stars9% (14)
  3. 3 stars3% (4)
  4. 2 stars4% (6)
  5. 1 star7% (10)
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Showing 31-36 of 36 reviews
Jun 19, 2026
Reviewer name: Tiffany
5 out of 5 stars
5 out of 5 stars review

sale price!

Great when not getting ripped off. Should be 65 green backs all the time. Not sure if this is MPS and the undisclosed adverse health effects but I'll take it

Helpful?7FMBSZNBTUO015370460365
Jul 16, 2026
Reviewer name: Tami
2 out of 5 stars
2 out of 5 stars review

No for me.

After 6 bags the pool is getting greener. 1700 gallon, in ground pool. it may be better for an above ground

Helpful?7FMBSZNBTUO015370460365
May 9, 2026
Reviewer name: RICHARD
2 out of 5 stars
2 out of 5 stars review

Not so sure about this shock

I have used 4 cases of this in the past month and it seems like it’s not effective as cal hypo.

Helpful?7FMBSZNBTUO015370460365
Jun 13, 2026
Reviewer name: Pamela
1 out of 5 stars
1 out of 5 stars review

Terrible! When put into the pool it sinks to the bottom and does not dissolve. Did not even clean the pool.

Helpful?7FMBSZNBTUO015370460365
May 30, 2026
Reviewer name: Elicia
5 out of 5 stars
5 out of 5 stars review

great purchase

works a lot faster than the brands we've used.

Helpful?7FMBSZNBTUO015370460365
Jul 11, 2026
Reviewer name: anonymous
1 out of 5 stars
1 out of 5 stars review

Not shock

The pool store told me this isn’t really shock, it’s ground up chlorine. Do not use!!

Helpful?7FMBSZNBTUO015370460365