In The Swim

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When purchasing a product, price is the consumer's primary concern. At present, In The Swim has 173 products for sale. In The Swim products range in price from $21.49 to $372.98, and the average price of all the products is about $99.44.

We found that most of the In The Swim products are manufactured by LPM Manufacturing, ALL CHEM INDUSTRIES, and MUNTECH PRODUCTS INC. The manufacturers provide In The Swim with a steady supply of products, and they have a good cooperative relationship with each other.

You can confidently purchase In The Swim products from the seller In The Swim Pool Supplies. The brand holds an average rating of 4.6, testifying to its excellent reputation.

In The Swim Best Sellers

Last Updated: Jan 8, 2026

In The Swim 3 Inch Stabilized Chlorine Tablets for Sanitizing Swimming Pools - Individually Wrapped, Slow Dissolving - 90% Available Chlorine - Tri-Chlor - 50 Pounds

Pool Chlorine

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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

In The Swim Pool Shock – 68% Cal-Hypo Granular Sanitizer for Crystal Clear Water – Defends Against Bacteria, Algae, and Microorganisms - 50 Pounds

Pool Chlorine

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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

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

Pool Chlorine

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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

In The Swim 3 Inch Stabilized Chlorine Tablets for Sanitizing Swimming Pools - Individually Wrapped, Slow Dissolving - 90% Available Chlorine - Tri-Chlor - 5 Pounds

Pool Chlorine

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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

In The Swim Pool Shock – 68% Cal-Hypo Granular Sanitizer for Crystal Clear Water – Defends Against Bacteria, Algae, and Microorganisms - 12 X 1 Pound

Pool Chlorine

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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

In The Swim Pool Closing Kit - Winterizing Chemicals for Above Ground and In-Ground Pools - Up to 15,000 Gallons

Pool Maintenance Kits

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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.

In The Swim Chlorine-Free Pool Shock - Quick Dissolving, Fast-Acting, Shock-Oxidizer for Swimming Pools, Spas, and Salt Chlorinated Pools Compatible - 24 x 1 Pound Bags

Swimming Pool Chlorine Alternatives

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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

In The Swim pH Increaser for Pools - Granular 100% Sodium Carbonate (Soda Ash) to Raise pH Up - 45 Pounds

Swimming Pool Balancers

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In The Swim pH increaser raises the total alkalinity and pH levels in your pool.

Corrects acidic water conditions, by raising water pH levels

Alkalinity stabilizes pH in pools, preventing sudden swings known as "pH bounce".

Maintain pool pH between 7.2 and 7.6 to ensure swimmer comfort and safety. pH above 8 risks skin rashes, while below 7 stings eyes.

Composed of sodium carbonate or soda ash, ensures effortless application to your pool water.

In The Swim pH Reducer for Swimming Pools, Spas, and Hot Tubs - Lowers Alkalinity - Prevents Cloudy Water - Balances Water - 90% Sodium Bisulfate - 50 Pounds

Swimming Pool Balancers

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pH Reducer lowers Total Alkalinity and pH for a safer swimming experience in pools, spas, and hot tubs.

Enhances chlorine effectiveness, prevents damage to pool equipment and swim gear by lowering alkalinity and pH.

Healthy pH ensures enjoyable pool water all summer.

Corrects pool pH to prevent skin irritation and equipment damage.

Ideal pH for swimming pools falling in the range of 7.2 to 7.6.

In The Swim 3 inch 5-in-1 Super Multi-Tabs – Swimming Pool Sanitizer – Chlorine - Algaecide - Stabilizer - Clarifier - 24 Pounds

Pool Chlorine

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In The Swim 3-inch multi-tabs combine five essential chemicals into one tablet, saving time while ensuring clear water.

84% Trichloro-S-Triazinetrione (Tri-Chlor) eliminates unwanted microorganisms, keeping your water clean.

Algaecide controls and prevents pool algae growth

Stabilizer shields chlorine from harmful UV rays, preventing its depletion.

Improved Filtration: clarifier makes it easier for your pool filter to trap and remove the debris suspended in the water.

In The Swim Sodium Dichlor Chlorine Shock Granules for Sanitizing Swimming Pools – Fast Dissolving, pH Balanced Sanitizer - 56% Available Chlorine, 99% Sodium-Dichlor – 25 Pound

Pool Chlorine

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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

In The Swim Pool Closing Kit - Winterizing Chemicals for Above Ground and In-Ground Pools - Up to 35,000 Gallons

Pool Maintenance Kits

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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.

In The Swim Super Algaecide for Above Ground or Inground Swimming Pools – Low Odor, Non-Foaming Preventative for Yellow/Mustard Algae in Swimming Pools - 7.1% Chelated Copper – 1 Quart

Swimming Pool Algaecides

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Effective Maintenance: Ideal for spring openings and routine care, reducing algae growth with a long-lasting copper-based formula

Powerful Algae Control: Highly concentrated to eliminate yellow and mustard algae with small, easy-to-measure doses

Stain Protection: Formulated with 23.5% copper triethanolamine and 7.1% chelated copper to prevent pool staining

Swim-Ready Safety: Free of harmful chemicals, allowing immediate swimming after application

User-Friendly Formula: Non-foaming, low-odor, and perfect for those sensitive to strong chemical smells

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

Swimming Pool Algaecides

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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.

In The Swim Alkalinity Increaser for Swimming Pools - Raises Alkalinity and Balances pH Levels in Your Swimming Pool Water - 100% Sodium Bicarbonate - 25 Pounds

Swimming Pool Balancers

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In Swim Alkalinity Increaser maintains pH and chlorine levels.

Prevents pH swings, maintaining stable water chemistry.

High pH causes skin rashes; low pH stings eyes.

Ensures refreshing pool water, even in hot summers.

Maintain alkalinity at 90-120 ppm. Add 1.5 lbs per 10,000 gallons to increase by 10 ppm.

In The Swim Pool Super Opening Chemical Start Up Kit - Above Ground and In-Ground Swimming Pools - Up to 35,000 Gallons

Pool Maintenance Kits

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Save time and take the guesswork out of measuring chemicals when opening your pool with our pre-measured pool opening kits.

(4) bags of 99% sodium dichlor (Di-Zap), which will get your pool water clean, clear, and safe to swim in.

Clarifier keeps your water crystal clear by coagulating dirt, which helps your filter be more efficient.

Algaecide works in conjunction with pool shock to defend against multiple types of algae from invading your swimming pool.

Sun sorb oil and scum absorber will soak up suntan oils, body oils, grime, and scum, keeping your water clear.

In The Swim 1 Inch Bromine Plus Tablet Sanitizer for Spas, Hot Tubs, or Swimming Pools - Pre-Stabilized, Low Odor, Chlorine Alternative – 3.5 Pounds

Swimming Pool Bromine

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Effective Sanitizer: Bromine is an excellent alternative to traditional shock sanitizers in swimming pools, spas, and hot tubs, effectively eliminating bacteria, viruses, and algae to maintain clean and safe water.

High Bromine Strength: In The Swim 1-inch Bromine Tablets Plus offer enhanced sanitizing power with 98% active ingredient, an improvement over our regular bromine tablets that contain 96%, ensuring stronger disinfection in pools and spas.

Stable in High Temperatures: Bromine is more stable than chlorine in higher temperatures, making it ideal for hot tubs, where heat can break down chlorine more quickly.

Low Odor and Less Irritation: Bromine is less irritating to the skin and eyes compared to chlorine, making it a preferred option for swimmers with sensitive skin.

Effective at Higher pH Levels: Bromine remains effective at higher pH levels and can be reactivated with an oxidizer, providing greater flexibility in water chemistry management and more efficient use with fewer additions.

In The Swim Chlorine and Shock Bundle for Sanitizing Swimming Pools – Includes 50 Pound Bucket of 3 Inch Stabilized Chlorine Tablets and 50 Pound Bucket of 68% Cal-Hypo Pool Shock

Pool Chlorine

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Long-Lasting Chlorination: 99% Trichlor tablets with 90% available stabilized chlorine dissolve slowly for consistent, UV-protected sanitation.

Bundle Includes: (1) 50lb bucket of 3-inch Chlorine Tablets and (1) 50lb bucket of Calcium Hypochlorite (Cal-Hypo)

Powerful Shock Treatment: 68% Cal-Hypo formula targets and eliminates algae, bacteria, and contaminants fast.

Clear & Protected: Cal-Hypo provides immediate clarity while tablets maintain lasting water cleanliness.

NOTE: This bundle will likely ship in multiple packages, which may come from different locations and arrive on separate days. Please allow an extra day or two for all items to be delivered.

In The Swim Calcium Hardness Increaser for Swimming Pools - Fast-Acting, Scale Prevention - 94% Calcium Chloride - 45 Pounds

Swimming Pool Balancers

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Boost Water Quality: Prevent cloudy, dull water by restoring the right calcium levels in your pool

Protect Your Pool: Helps stop costly damage like corrosion and pitting on pool surfaces and equipment

Easy-to-Use Granules: Fast-dissolving formula works quickly—just measure, pour, and circulate

Dial in the Perfect Balance: Raise hardness 50 ppm per 6 lbs per 10,000 gallons—easy, accurate, and powerful

Multi-Use Chemical: Highly effective for swimming pools—and also serves as an industrial-grade ice and snow melt

In The Swim - No Phos - Fast-Acting Phosphate Remover for Clear, Balanced Water - 3 Liter

Swimming Pool Balancers

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High-Performance Control: Rapidly removes phosphates that contribute to non-living matter growth and water cloudiness.

Fast-Acting Strength: Delivers 20% more power than leading phosphate removers with a clear, non-clouding lanthanum-based formula that works immediately.

Lanthanum Technology: Binds phosphates to your pool filter for easy and effective elimination.

No-Mix Formula: Liquid solution requires no pre-dissolving, simply pour directly into your skimmer.

Perfect After Storms or Cleanups: Ideal for post-rain, cleanup, or chemical treatments.

In The Swim FAQs

Is In The Swim Legit?

Yes, In The Swim is a legitmate brand on Amazon. After conducting a comprehensive analysis of 80,212 customer reviews for In The Swim products on Amazon, we have determined its average rating. With a strong performance and good quality, In The Swim has received an average rating of 4.6 from numerous buyers, indicating that In The Swim are trustworthy and live up to their claims. Therefore, it is safe to make purchases from In The Swim on Amazon.

Amazon has strict policies and safety measures in place that ensure only legitimate sellers and products are allowed on their platform. It also provides a secure payment gateway and offers buyer protection, ensuring your transaction is safe. In the unlikely event that there's an issue with your purchase, Amazon's customer service and return policies are designed to protect your interests.

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Who are the manufacturers of the In The Swim products?

Most of the In The Swim products are produced by LPM Manufacturing, ALL CHEM INDUSTRIES, and MUNTECH PRODUCTS INC. The manufacturers provide In The Swim with a steady supply of products, and they have a good cooperative relationship with each other.

What is the purpose of your brand guide?

Our mission is to provide you with the most up-to-date and objective information about the In The Swim products, helping you make more informed buying decisions. We recommend best choices of the products from the In The Swim brand, helping you make better shopping choices with less time and energy.

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