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

In The Swim Alkalinity Increaser for Swimming Pools - Raises Alkalinity and ...
4.7

4k+ bought

CZK 1437

9% OFF
In The Swim Solvay Bicar Sodium Bicarbonate Alkalinity Up, 50 lbs.
US Store
In The Swim

In The Swim Solvay Bicar Sodium Bicarbonate Alkalinity Up, 50 lbs.
4.7

1k+ bought

CZK 1690 1864

In The Swim Calcium Hardness Increaser for Swimming Pools - Fast-Acting, Scale Prevention - 94% Calcium Chloride - 25 Pounds
US Store
In The Swim

In The Swim Calcium Hardness Increaser for Swimming Pools - Fast-Acting, Scale ...

1k+ bought

CZK 2108

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

In The Swim pH Reducer for Swimming Pools, Spas, and Hot Tubs - Lowers Alkalinity - ...
4.7

1k+ bought

CZK 3175

In The Swim 1 Inch Stabilized Chlorine Tablets for Sanitizing Swimming Pools - Fast Dissolving - 90% Available Chlorine - Tri-Chlor - 4 Pounds
US Store
In The Swim

In The Swim 1 Inch Stabilized Chlorine Tablets for Sanitizing Swimming Pools - Fast ...
4.6

1k+ bought

CZK 1345

14% OFF
In The Swim - Pure Clear + No Phos - Reduces Phosphates & Removes Non-Living Matter for Clearer Water - 3 Liter
US Store
In The Swim

In The Swim - Pure Clear + No Phos - Reduces Phosphates & Removes Non-Living Matter ...
4.4

600+ bought

CZK 918 1071

In The Swim Super Pool Tile and Vinyl Cleaner - Oil and Grime Remover - Alkaline Based - 1 Quart
US Store
In The Swim

In The Swim Super Pool Tile and Vinyl Cleaner - Oil and Grime Remover - Alkaline ...
3.8

300+ bought

CZK 888

In The Swim 18 x 36 Premium Blue Rectangle Solar Pool Cover 12 Mil for Solar Heating Above Ground Pools and Inground Pools
US Store
In The Swim

In The Swim 18 x 36 Premium Blue Rectangle Solar Pool Cover 12 Mil for Solar ...
4.1

300+ bought

CZK 5768

In The Swim Black Algaecide Eradicates Black Algae in Swimming Pools - Copper Sulfate Pentahydrate - 1 Quart - 2 Pack
US Store
In The Swim

In The Swim Black Algaecide Eradicates Black Algae in Swimming Pools - Copper ...
4.2

200+ bought

CZK 1498

18% OFF
In The Swim Standard Pool Filter Cartridge 4-Pack Replacement for Pentair Clean & Clear Plus 520 CCP520 Filter
US Store
In The Swim

In The Swim Standard Pool Filter Cartridge 4-Pack Replacement for Pentair Clean & ...
4.3

200+ bought

CZK 4578 5615

In The Swim Sparkle Plus Pool Clarifier Cube Clear Cloudy Pool Water Fast - Safe for Saltwater & Chlorine Pools - 6 Ounce
US Store
In The Swim

In The Swim Sparkle Plus Pool Clarifier Cube Clear Cloudy Pool Water Fast - Safe ...
4.2

200+ bought

CZK 979

In The Swim 18 Ultra Silver Round Solar Pool Cover 16 Mil for Solar Heating Above Ground Pools and Inground Pools
US Store
In The Swim

In The Swim 18 Ultra Silver Round Solar Pool Cover 16 Mil for Solar Heating Above ...

100+ bought

CZK 4395

17% OFF
In The Swim 60 sq. ft. Complete DE Pool Filter Grid Set 7 Full, 1 Partial AA18002 - Replacement 60 sq. ft. DE Pool Filters
US Store
In The Swim

In The Swim 60 sq. ft. Complete DE Pool Filter Grid Set 7 Full, 1 Partial AA18002 - ...
4.4

100+ bought

CZK 4395 5310

In The Swim Premium Pool Filter Cartridge 4-Pack Replacement for Pentair Clean & Clear Plus 420 CCP420 Filter
US Store
In The Swim

In The Swim Premium Pool Filter Cartridge 4-Pack Replacement for Pentair Clean & ...
4.5

100+ bought

CZK 3785

In The Swim A+ Pool Stain Remover - 100% Ascorbic Acid - Professional-Grade Metal & Organic Stain Treatment - 2 Pound
US Store
In The Swim

In The Swim A+ Pool Stain Remover - 100% Ascorbic Acid - Professional-Grade Metal & ...
4.1

100+ bought

CZK 1803

In The Swim DE Filter Cleaner - Removes Oil and Grease from Your Filter Element - 1 Quart
US Store
In The Swim

In The Swim DE Filter Cleaner - Removes Oil and Grease from Your Filter Element - 1 ...
4.3

50+ bought

CZK 888

In The Swim Spa and Pool Bromine Booster - 2 Pounds
US Store
In The Swim

In The Swim Spa and Pool Bromine Booster - 2 Pounds
4.4

50+ bought

CZK 1040

In The Swim Chlorine and Shock Bundle for Sanitizing Swimming Pools Includes 9 Pound Bucket of 5-in-1 Super Multi-Tablets and 6 x 1 Pound Bags of 68% Cal-Hypo Pool Shock
US Store
In The Swim

In The Swim Chlorine and Shock Bundle for Sanitizing Swimming Pools Includes 9 ...
4.6

50+ bought

CZK 3938

In The Swim Winter Swimming Pool Algaecide - 1 Quart
US Store
In The Swim

In The Swim Winter Swimming Pool Algaecide - 1 Quart
4.7

50+ bought

CZK 827

In The Swim Pool Shock 68% Cal-Hypo Granular Sanitizer for Crystal Clear Water Defends Against Bacteria, Algae, and Microorganisms - 25 Pounds 25237
US Store
In The Swim

In The Swim Pool Shock 68% Cal-Hypo Granular Sanitizer for Crystal Clear Water ...
4.5

CZK 3354

In The Swim 3 Inch Stabilized Chlorine Tablets for Sanitizing Swimming Pools - Individually Wrapped, Slow Dissolving - 90% Available Chlorine - Tri-Chlor - 5 Pounds LPM 12071
US Store
In The Swim

In The Swim 3 Inch Stabilized Chlorine Tablets for Sanitizing Swimming Pools - ...
4.6

CZK 1416

In The Swim 3 Inch Stabilized Chlorine Tablets for Sanitizing Swimming Pools - Individually Wrapped, Slow Dissolving - 90% Available Chlorine - Tri-Chlor - 25 Pounds C3025
US Store
In The Swim

In The Swim 3 Inch Stabilized Chlorine Tablets for Sanitizing Swimming Pools - ...
4.6

CZK 3046

In The Swim Algaecide 50 for Swimming Pools - Green, Black, and Yellow Algae Treatment for Above Ground or Inground Swimming Pools - 4 Quarts
US Store
In The Swim

In The Swim Algaecide 50 for Swimming Pools - Green, Black, and Yellow Algae ...
4.4

CZK 2565

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 C4025
US Store
In The Swim

In The Swim Sodium Dichlor Chlorine Shock Granules for Sanitizing Swimming Pools ...
4.4

CZK 4430

In The Swim 48" Liner Bead Receiver for Above Ground Pools
US Store
In The Swim

In The Swim 48" Liner Bead Receiver for Above Ground Pools

CZK 851

In The Swim 15 x 24 Oval 20 Mil Overlap Pool Liner for Above Ground Swimming Pools - 48/52 Inch Wall Height - Solid Blue Design
US Store
In The Swim

In The Swim 15 x 24 Oval 20 Mil Overlap Pool Liner for Above Ground Swimming Pools ...
4.1

CZK 12325

In The Swim Sodium Dichlor Chlorine Shock Granules for Sanitizing Hot Tubs and Spas Fast Dissolving, pH Balanced Sanitizer - 56% Available Chlorine, 99% Sodium-Dichlor 5 Pound F035005040AE
US Store
In The Swim

In The Swim Sodium Dichlor Chlorine Shock Granules for Sanitizing Hot Tubs and ...
4.4

CZK 1355

In The Swim Algae Clear for Pool Water - Swimming Pool Algaecide
US Store
in the swim

In The Swim Algae Clear for Pool Water - Swimming Pool Algaecide
4.4

CZK 1416

United Chemical Pool Stain Treat - 2 lb.
US Store
In The Swim

United Chemical Pool Stain Treat - 2 lb.
3.8

CZK 1354

In The Swim Premium Spa Filter Cartridge Replacement for Watkins Hot Springs Spas
US Store
In The Swim

In The Swim Premium Spa Filter Cartridge Replacement for Watkins Hot Springs Spas
4.6

CZK 1254

In The Swim Premium Pool Filter Cartridge 4-Pack Replacement for Hayward Swim Clear C5025 Filter
US Store
In The Swim

In The Swim Premium Pool Filter Cartridge 4-Pack Replacement for Hayward Swim Clear ...
4.6

CZK 5310

In The Swim Pool Shock 68% Cal-Hypo Granular Sanitizer for Crystal Clear Water Defends Against Bacteria, Algae, and Microorganisms - 50 Pounds 25230
US Store
In The Swim

In The Swim Pool Shock 68% Cal-Hypo Granular Sanitizer for Crystal Clear Water ...
4.5

CZK 6121

In The Swim 15 x 26 Oval Above Ground Swimming Pool - Marina Package - Featuring Sand Filter, Pump System and A-Frame Ladder
US Store
In The Swim

In The Swim 15 x 26 Oval Above Ground Swimming Pool - Marina Package - Featuring ...
2

CZK 149206

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 Gallon F055001002AE
US Store
In The Swim

In The Swim Super Algaecide For Above Ground or Inground Swimming Pools Low Odor, ...
4.7

CZK 2185

In The Swim 17 Inch Standard Swimming Pool Leaf Rake
US Store
In The Swim

In The Swim 17 Inch Standard Swimming Pool Leaf Rake

CZK 735

In The Swim 18 x 36 Rectangle Inground Pool Winter Cover - Protect Your Pool from Harsh Winter Elements
US Store
In The Swim

In The Swim 18 x 36 Rectangle Inground Pool Winter Cover - Protect Your Pool from ...
5

CZK 2168

8-Year 30 Foot Round Pool Winter Cover for above Ground Pools
US Store
In The Swim

8-Year 30 Foot Round Pool Winter Cover for above Ground Pools
4

CZK 3785

LaMotte Insta-TEST 3 Plus Pool Hot Tub Test Strips Order SKU 2976-100-PT 2976
US Store
In The Swim

LaMotte Insta-TEST 3 Plus Pool Hot Tub Test Strips Order SKU 2976-100-PT 2976
4.8

CZK 990

Dimension One Spas M-Drive Upper Control Panel LED Display, 8000-D19, For D1 Bay and Reflections Series Spas from 2007 to 2014
US Store
In the Swim

Dimension One Spas M-Drive Upper Control Panel LED Display, 8000-D19, For D1 Bay ...

CZK 17647

In The Swim Premium Spa Filter Cartridge Replacement for Master Spas Eco-Pur
US Store
In The Swim

In The Swim Premium Spa Filter Cartridge Replacement for Master Spas Eco-Pur
5

CZK 1132

In The Swim ClearAway CYA Lowers Cyanuric Acid Levels Up to 20 PPM Per Week - Use in Skimmer Basket with Pump Running 24x7
US Store
In The Swim

In The Swim ClearAway CYA Lowers Cyanuric Acid Levels Up to 20 PPM Per Week - Use ...
2.1

CZK 2565

In The Swim Patio and Deck Paint - Putty - Water Based Acrylic Coating - For Sprayed, Patterned, or Bare Concrete Surfaces - 1 Gallon
US Store
In The Swim

In The Swim Patio and Deck Paint - Putty - Water Based Acrylic Coating - For ...

CZK 1650

15% OFF
In The Swim Spa & Hot Tub Care Chlorine-Free, Odor-Reducing Shock-Oxidizer for Spas and Hot Tubs - 2 Pounds for Fresh, Invigorating Water - 2 Pack
US Store
In The Swim

In The Swim Spa & Hot Tub Care Chlorine-Free, Odor-Reducing Shock-Oxidizer for Spas ...
4.4

CZK 1376 1620

Swim in Place Swim Tether System
US Store
In The Swim

Swim in Place Swim Tether System
3.8

CZK 979

In The Swim Patio and Deck Paint - Granite - Water Based Acrylic Coating - For Sprayed, Patterned, or Bare Concrete Surfaces - 1 Gallon
US Store
In The Swim

In The Swim Patio and Deck Paint - Granite - Water Based Acrylic Coating - For ...
4

CZK 2413

In The Swim Round 12 Blue Winter Cover for Above Ground Swimming Pool - Protect Your Pool from Harsh Winter Elements
US Store
In The Swim

In The Swim Round 12 Blue Winter Cover for Above Ground Swimming Pool - Protect ...
3.9

CZK 1119

12% OFF
In The Swim Standard Pool Filter Cartridge Replacement for Pentair Clean and Clear 200 Predator CC200 Filter
US Store
In The Swim

In The Swim Standard Pool Filter Cartridge Replacement for Pentair Clean and Clear ...

CZK 1986 2260

Aqua Blocks Pool Cover Weights for IG Pool Covers - 6 Pack
US Store
In The Swim

Aqua Blocks Pool Cover Weights for IG Pool Covers - 6 Pack
4.1

CZK 2413

Explore About In The Swim & Its Products

In The Swim is a leading retailer of pool supplies and equipment.

Founded in 1982 by a husband and wife team in Illinois.

Grew rapidly and expanded their product offerings over the years.

In 2014, the company was acquired by Pool Corporation, the world's largest distributor of swimming pool supplies and equipment.

Brands Similar to In The Swim

PoolSupplyWorld

Online retailer of pool supplies and equipment with a focus on customer service and competitive pricing.

Leslie's Pool Supplies

Large chain retailer of pool supplies and equipment with both physical stores and online shopping options.

Doheny's Pool Supplies

Online retailer of pool supplies with a focus on affordability and value.

Top Trending & High Rated Products of In The Swim

Chlorine

In The Swim offers a variety of chlorine products for pool cleaning and maintenance, including tablets and granules.

Pool Covers

In The Swim offers a wide range of pool covers, including solar covers, safety covers, and winter covers.

Pool Equipment

In The Swim carries a range of pool equipment, including pumps, filters, and heaters from top brands.

Common Questions Asked by Customers About In The Swim & Its Products

What is In The Swim's return policy?

In The Swim offers a 30-day return policy on most items, as long as they are in new and unused condition with original packaging.

Does In The Swim offer free shipping?

Yes, In The Swim offers free shipping on orders over $75 within the contiguous United States.

Does In The Swim offer installation services for pool equipment?

In The Swim does not offer installation services, but they do offer helpful resources and guides for DIY installation.

What types of payment does In The Swim accept?

In The Swim accepts major credit cards, PayPal, and financing through Affirm.

Does In The Swim have physical retail stores?

No, In The Swim is an online-only retailer, but they have a helpful customer service team that can assist with any questions or concerns.