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

Good shock

Dissolves quickly with no need to brush residue or risk staining

Quick Dissolving Pool Chlorine

Pool shock

Works great!

Pool shock Menbers mark

Use this product for my 30x15 pool and works great!

Optimum quality product

Great

I have purchased this product for over 5 years. It works great in my pool.

Excellant

Works great

Happy with purchase.

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