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HTH 52039 Swimming Pool Care Shock Ultra, Swimming Pool Chemical

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20,152 reviews covering 31 products for the category Swimming Pool Chlorine

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About HTH 52039 Swimming Pool Care Shock Ultra, Swimming Pool Chemical
97% were impressed with the long-lasting effectiveness
After adding chlorine to the pool, it started working immediately and took about 2 days to clear out. Patience is advised as it works.
After using 2 packets of chlorine on my 15' pool, the green color disappeared within an hour.
I put the product in yesterday and this morning the water was nearly perfect, indicating its effectiveness in clearing the pond of algae.
97% found it effortless to dissolve
The product works immediately and takes about 2 days to clear out the pool. Just be patient as it works.
I put the product in yesterday and this morning it was nearly perfect.
91% appreciated the stable concentration
After using 2 pkgs of chlorine on my 15 pool, the green color was removed within an hour.

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