9.62 options
In The Swim · Pool Balancers
In The Swim Calcium Hardness Increaser for Swimming Pools - 25 Pounds
Boost Water Quality: Prevent cloudy, dull water by restoring the right calcium levels in your pool
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In The Swim
6 products we recommend on Amazon.com in garden & patio. Scored by us, rated by 10,654 owners.
6products
4.7avg owner rating
9.6/10best score
9.6
9.49 options
In The Swim · Chlorine Alternatives
In The Swim Chlorine-Free Pool Shock - 6 x 1 Pound Bags
Non-Chlorine Alternative: Use chlorine-free pool shock-oxidizer weekly to eliminate non-living matter, keeping your above ground or in-groun
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9.212 options
In The Swim · Pool Maintenance Kits
In The Swim Pool Closing Kit - 7,500 Gallons
Convenient: In The Swim's Pool Winterizing and Closing Chemical Kit streamlines pool closing with all necessary chemicals included, saving t
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8.93 options
In The Swim · Pool Maintenance Kits
In The Swim Saltwater Pool Closing Kit - Up to 35,000 Gallons
Convenient: Streamlines closing your saltwater pool with all necessary chemicals included, saving time and chemical usage.
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8.64 options
In The Swim · Water Test Kits
In The Swim Saltwater Pool Opening Kit - Salt Balance 35k Bundle
Saltwater Complete: Comprehensive chemical bundle designed to help establish balanced water chemistry in saltwater pools up to 7,500 gallons
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8.53 options
In The Swim · Pool Balancers
In The Swim Liquid Conditioner/Chlorine Stabilizer - 2 Gallons
Instant Protection: Starts working immediately to shield water chemicals from harmful UV rays, with added surfactant for faster application.
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