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Member's Mark Quick Dissolving Shock 20lb with 10 Test Strips

Much easier to use than liquid chlorine and also includes stabilizer.

Easy to use

Works fabulous in our pool. Keeps it crystal clear

Pool chemical

It works so well that we buy it every year

Buy it every year

Shock treatment

We have been using this shock treatment for many years. Works great!

Great Shock Stabilizer

This shock dissolved quickly and completely!

Great product!

Good for the price you pay but not as strong as the name brand

Worth the money

It works!

Quick Shock

Started using in June and could not figure out why algae was worsening. Should have read the reviews. The more I added the worse the algae became. Will be returning it.

Made algae worse

Works very well, used it for a few years but due to COVID, got into using calcium hypochlorite type stuff, big mistake. After a complete cluster on opening this year, finally got the pool looking right by abandoning Calcium based shock and going back to this stuff.
The only downside is the incredible price rise over the last 2 years, way beyond what I would have expected even given our rampant inflation.

Excellent stuff, glad to have come back to it

Customer reviews for Member's Mark Quick Dissolving Shock 20lb with 10 Test Strips

Member photos

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