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Swimming Pool Chlorine

Best In The Swim Deals of Nov 2026

Updated November 10, 2026·Our site contains affiliate links for which we may be compensated.

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In The Swim

In The Swim Pool Closing Kit - 15,000 Gallons | Winterizing Chemicals for Swimming Pools: Chlorine-Free Shock-Oxidizer, Winterizer, Winter Algaecide, & Floater

Convenient: In The Swim's Pool Winterizing and Closing Chemical Kit streamlines pool closing with all necessary chemicals included, saving time and chemical usage.

Safe and Reliable Protection: Our winter chemical kits provide reliable protection without the risk of compromising other pool winterizing chemicals or causing damage to pool surfaces.

Versatile for All Pool Sizes: Kits cater to pools of any shape and size. For in-between sizes, opt for the next size up. Multiple kits are available for pools exceeding 35,000 gallons.

Effective Oil Absorption: In The Swim's Winter Sorb absorbs 40 times its weight in oils, preventing waterline scum. Kits include 1 white or 2 blue sorbs.

Comprehensive Kit Components: Kit includes 1 Qt. Winterizer, 1 Qt. Winter Stain-Away, 2 Lb. Chlorine Free Pool Shock-Oxidizer, 1 Winter Sorb, and 1 Winter Pool Floater.

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In The Swim

250–500 sold/mo

In The Swim Pool Shock - 68% Cal-Hypo Granular Sanitizer - 50 Pounds | Powerful Pool Shock for In-Ground and Above Ground Pools - Defends Against Bacteria, Algae, and Microorganisms

Fast-Acting Algae Control: Calcium Hypochlorite (Cal-Hypo) is an effective non-stabilized chlorine shock treatment, ideal for routine maintenance in your swimming pool

Versatile Use: Suitable for above ground or in-ground swimming pools, spas, and hot tubs; Pre-dissolve or dilute to avoid bleaching the liner

High Chlorine Content: 65% available chlorine, provides powerful sanitization for crystal-clear water

Easy Application: Pre-dissolve or dilute to avoid bleaching swimming pool liners; Spread granules in the deepest part of the pool; Brush if needed

Dosage: Use 1 Pound per 10,000 gallons weekly to maintain 5-10 ppm chlorine levels

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In The Swim

In The Swim 3 Inch Stabilized Chlorine Tablets - 25 Pounds | Individually Wrapped, Slow Dissolving, 90% Available Chlorine, Tri-Chlor for Sanitizing In-Ground Swimming Pools

Cleaner, Safer Water: Our chlorine tablets remove bacteria, algae, and other organic contaminants to ensure your above ground or inground swimming pool stays clean and clear throughout the entire season

Powerful Sanitization: 99% Trichloro-S-Triazinetrione with 90% stabilized chlorine. Tablets do not expire and are non-perishable, but best used within 2 years of manufacture.

Long-Lasting Protection: Slow-dissolving to ensure consistent chlorination. Perfect for use in floaters or automatic feeders

UV Protected: Sun-stabilized to resist depletion from harmful UV rays

Usage: Ideal size for floaters or automatic feeders

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In The Swim

In The Swim Pool Closing Kit - 35,000 Gallons | Winterizing Chemicals for In-Ground Pools: Chlorine-Free Shock-Oxidizer, Winterizer, Winter Algaecide, & Floater

Convenient: In The Swim's Pool Winterizing and Closing Chemical Kit streamlines pool closing with all necessary chemicals included, saving time and chemical usage.

Safe and Reliable Protection: Our winter chemical kits provide reliable protection without the risk of compromising other pool winterizing chemicals or causing damage to pool surfaces.

Effective Oil Absorption: In The Swim's Winter Sorb absorbs 40 times its weight in oils, preventing waterline scum. Kits include 1 white or 2 blue sorbs.

Comprehensive Kit Components: Kit includes 1 Qt. Winterizer, 1 Qt. Winter Stain-Away, 3 Lb. Chlorine Free Pool Shock-Oxidizer, 1 Winter Sorb, and 1 Winter Pool Floater.

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In The Swim

In The Swim Pool Shock - 68% Cal-Hypo Granular Sanitizer - 24 x 1 Pound | Powerful Pool Shock for In-Ground and Above Ground Pools - Defends Against Bacteria, Algae, and Microorganisms

Fast-Acting Algae Control: Calcium Hypochlorite (Cal-Hypo) is an effective non-stabilized chlorine shock treatment, ideal for routine maintenance in your swimming pool

Versatile Use: Suitable for above ground or in-ground swimming pools, spas, and hot tubs; Pre-dissolve or dilute to avoid bleaching the liner

High Chlorine Content: 65% available chlorine, provides powerful sanitization for crystal-clear water

Easy Application: Pre-dissolve or dilute to avoid bleaching swimming pool liners; Spread granules in the deepest part of the pool; Brush if needed

Dosage: Use 1 Pound per 10,000 gallons weekly to maintain 5-10 ppm chlorine levels

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In The Swim

30 Day Low Price

In The Swim Pool Closing Kit - 7,500 Gallons | Winterizing Chemicals for Above Ground Pools: Chlorine-Free Shock-Oxidizer, Winterizer, Winter Algaecide, & Floater

Convenient: In The Swim's Pool Winterizing and Closing Chemical Kit streamlines pool closing with all necessary chemicals included, saving time and chemical usage.

Safe and Reliable Protection: Our winter chemical kits provide reliable protection without the risk of compromising other pool winterizing chemicals or causing damage to pool surfaces.

Versatile for All Pool Sizes: Kits cater to pools of any shape and size. For in-between sizes, opt for the next size up. Multiple kits are available for pools exceeding 35,000 gallons.

Effective Oil Absorption: In The Swim's Winter Sorb absorbs 40 times its weight in oils, preventing waterline scum. Kits include 1 white or 2 blue sorbs.

Comprehensive Kit Components: Kit includes 1 Qt. Winterizer, 1 Qt. Winter Stain-Away, 1 Lb. Chlorine Free Pool Shock-Oxidizer, 1 Winter Sorb, and 1 Winter Pool Floater.

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In The Swim

In The Swim Pool Shock - 68% Cal-Hypo Granular Sanitizer - 12 x 1 Pound | Powerful Pool Shock for In-Ground and Above Ground Pools - Defends Against Bacteria, Algae, and Microorganisms

Fast-Acting Algae Control: Calcium Hypochlorite (Cal-Hypo) is an effective non-stabilized chlorine shock treatment, ideal for routine maintenance in your swimming pool

Versatile Use: Suitable for above ground or in-ground swimming pools, spas, and hot tubs; Pre-dissolve or dilute to avoid bleaching the liner

High Chlorine Content: 65% available chlorine, provides powerful sanitization for crystal-clear water

Easy Application: Pre-dissolve or dilute to avoid bleaching swimming pool liners; Spread granules in the deepest part of the pool; Brush if needed

Dosage: Use 1 Pound per 10,000 gallons weekly to maintain 5-10 ppm chlorine levels

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In The Swim

In The Swim Algaecide 60 Plus For Swimming Pools - 1 Quart | Non-Metallic, Low Odor, Non-Foaming Algae Bloom Preventative - Chlorine Sanitizer Compatible

In The Swim Algaecide 60 Plus is perfect for preventing and controlling various types of algae including: green, yellow, black, and pink in your above ground or in-ground swimming pool.

Algaecide 60 Plus is a non-metallic, non-foaming, low odor formula specially formulated for pools with attached spas, waterfalls, or decorative fountains.

This product is pH tolerant which means it is effective in both acidic and alkaline pH ranges, thereby eliminating the need to alter pool chemistry prior to application.

Works nicely for pools using well water. Compatible with various sanitizers such as chlorine, bromine, biguanide, and salt systems.

We recommend and initial dosage of 6-11 ounces per 10,000 gallons, for standard maintenance 2-4 ounces per 10,000 gallons, and for visible algae 11-17 ounces per 10,000 gallons.

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In The Swim

In The Swim Chlorine-Free Pool Shock - 12 x 1 Pound Bags | Quick Dissolving, Fast-Acting, Shock-Oxidizer for Swimming Pools, Spas, and Salt Chlorinated Pools Compatible

Non-Chlorine Alternative: Use chlorine-free pool shock-oxidizer weekly to eliminate non-living matter, keeping your above ground or in-ground swimming pool water clean and safe

Proper Water Balance: Quickly dissolves to provide fast results without raising or altering pH levels

Reduce Chlorine Usage: Enhances the effectiveness of the existing chlorine in the pool, reducing the need for extra chlorine in your swimming pool

Advantage: Minimizes skin and eye irritation from your swimming pool water

Versatile Compatibility: Suitable for standard chlorine, salt chlorinated, mineral, and bromine-treated swimming pools, spas, and hot tubs

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In The Swim

250–500 sold/mo

In The Swim Sodium Dichlor Chlorine Shock Granules - 25 Pounds | For Sanitizing Swimming Pools - Fast Dissolving, pH Balanced Sanitizer - 56% Available Chlorine, 99% Sodium-Dichlor

Versatile: Granular chlorine with the ability to be used in all types of swimming pools, spas, fountains, and water features.

Powerful Sanitizer: Sodium Dichlor shock removes bacteria, breaks down organic contaminants, and eliminates algae.

Calcium-Free Formula: Perfect for hard water areas—keeps pool water sparkling clean and crystal clear.

Stabilized Chlorine: Contains 56% available chlorine for effective, long-lasting sanitation.

Usage Directions: Add 3 oz. per 10,000 gallons for routine chlorination; use 21 oz. per 10,000 gallons for super chlorination

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Our #1 Pick Today

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In The Swim

In The Swim Pool Closing Kit - 15,000 Gallons | Winterizing Chemicals for Swimming Pools: Chlorine-Free Shock-Oxidizer, Winterizer, Winter Algaecide, & Floater

Convenient: In The Swim's Pool Winterizing and Closing Chemical Kit streamlines pool closing with all necessary chemicals included, saving time and chemical usage.

Safe and Reliable Protection: Our winter chemical kits provide reliable protection without the risk of compromising other pool winterizing chemicals or causing damage to pool surfaces.

Versatile for All Pool Sizes: Kits cater to pools of any shape and size. For in-between sizes, opt for the next size up. Multiple kits are available for pools exceeding 35,000 gallons.

Effective Oil Absorption: In The Swim's Winter Sorb absorbs 40 times its weight in oils, preventing waterline scum. Kits include 1 white or 2 blue sorbs.

Comprehensive Kit Components: Kit includes 1 Qt. Winterizer, 1 Qt. Winter Stain-Away, 2 Lb. Chlorine Free Pool Shock-Oxidizer, 1 Winter Sorb, and 1 Winter Pool Floater.

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Disclaimer: While we make every effort to ensure accuracy, we cannot guarantee that all product specifications, pricing, discounts, and details are complete or error-free. Because information is subject to change, we recommend verifying all details directly with the retailer prior to making a purchase. As an Amazon Associate, we earn from qualifying purchases.

10 In The Swim deals are available from: Amazon, starting from $27.99.

The biggest discount we found is 14% on In The Swim Chlorine-Free Pool Shock - 12 x 1 Pound Bags | Quick Dissolving, Fast-Acting, Shock-Oxidizer for Swimming Pools, Spas, and Salt Chlorinated Pools Compatible (Y8210) at Amazon.

The lowest price we found is $27.99 while the highest is $199.99. Prices for the best In The Swim deals average at $80.29.

Compare prices across stores, find real deals, and get an email when the products you want drop in price.

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