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20 Best Chlorine For Vinyl Pools (2023 Updated)

Chlorine is used to disinfect and sanitize vinyl pools. It helps to control bacteria and algae growth and keeps the water clean and clear.

20 Best Chlorine For Vinyl Pools

Product Image Product Name Features Price

in The Swim 3 inch Stabilized Chlorine Tablets for Sanitizing Swimming Pools – I

  • Swimming Pool 3 inch Chlorine Tablets 50lb Bucket.
  • Limit 1 Per customer.
  • IN STORE CARRIED BRAND MAY VARY.

RX Clear Granular Pool Chlorine – 50 lbs.

  • 50 lbs

Robelle 1405M 5-in-1 Multi-Purpose 3" Chlorine Tabs, 5 lb

  • 5 lbs

in The Swim Instant Chlorine Shock for Swimming Pools – 1.07 Pound Container (4)

  • Super powerful and effective chlorine shock treatment
  • Ideal for spring openings, stubborn algae blooms, and regular maintenance

in The Swim Cal-Chlor Pool Chlorine Granules – 50 lbs.

  • 50 lbs

Dohenys 3 inch Pool Chlorine Tablets 50 lbs.

  • 50 lb 3 in / 50 lb

RX Clear Granular Pool Chlorine – 100 lbs

  • 100 lbs

in The Swim 3 inch Pool Chlorine Tablets 50 lbs.

  • 50 lbs

Pool Essentials Chlorinating Liquid – 1 gal, 128 fl oz

  • Liquid chlorine for swimming pools.
  • Kills harmful bacteria.
  • Pool sanitizer or pool shock.

Hth 3 in. Chlorine Tablet 35 lb.

  • 35 lb

GLB Small 1" Stabilized Chlorine Tablets – 2 lb

  • Slow-dissolving 1/2-ounce tablets provide powerful chlorine sanitation.
  • Provides 90% available stabilized chlorine.
  • Can be used in floaters, feeders and skimmers.

Spa Pure Granular Chlorine 1 lb

  • Effective Chlorine Treatment.
  • Long-Lasting.
  • Effectively cleans the spa and clarifies cloudy water.

Hth 42011 Super 3" Chlorinating Tablets, 15 lb

  • Brand Name: hth.
  • Sub Brand: Super.
  • Product Type: Chlorinating Chemicals – 2 Sanitize.

Hth Chlorine Granule 18 lb.

  • 18 lb

Clearview Shimmer N' Shock – 1 Pound | Chlorine Pool Shock

  • Chlorine based shock treatment
  • Oxidizes waste and improves water clarity
  • Controls bacteria and algae

Kem-Tek 1" Chlorinating Pool Tablets – 1.5lbs

  • For every pool sanitization and super chlorination
  • Slow dissolving and concentrated for long lasting sanitation
  • Stabilized to reduce chlorine loss to the sun’s UV rays
in The Swim 3 inch Stabilized Chlorine Tablets for Sanitizing Swimming Pools – I
  • Swimming Pool 3 inch Chlorine Tablets 50lb Bucket.
  • Limit 1 Per customer.
  • IN STORE CARRIED BRAND MAY VARY.
RX Clear Granular Pool Chlorine – 50 lbs.
  • 50 lbs
Robelle 1405M 5-in-1 Multi-Purpose 3" Chlorine Tabs, 5 lb
  • 5 lbs
in The Swim Instant Chlorine Shock for Swimming Pools – 1.07 Pound Container (4)
  • Super powerful and effective chlorine shock treatment
  • Ideal for spring openings, stubborn algae blooms, and regular maintenance
in The Swim Cal-Chlor Pool Chlorine Granules – 50 lbs.
  • 50 lbs
Dohenys 3 inch Pool Chlorine Tablets 50 lbs.
  • 50 lb 3 in / 50 lb
RX Clear Granular Pool Chlorine – 100 lbs
  • 100 lbs
in The Swim 3 inch Pool Chlorine Tablets 50 lbs.
  • 50 lbs
Pool Essentials Chlorinating Liquid – 1 gal, 128 fl oz
  • Liquid chlorine for swimming pools.
  • Kills harmful bacteria.
  • Pool sanitizer or pool shock.
Hth 3 in. Chlorine Tablet 35 lb.
  • 35 lb
GLB Small 1" Stabilized Chlorine Tablets – 2 lb
  • Slow-dissolving 1/2-ounce tablets provide powerful chlorine sanitation.
  • Provides 90% available stabilized chlorine.
  • Can be used in floaters, feeders and skimmers.
Spa Pure Granular Chlorine 1 lb
  • Effective Chlorine Treatment.
  • Long-Lasting.
  • Effectively cleans the spa and clarifies cloudy water.
Hth 42011 Super 3" Chlorinating Tablets, 15 lb
  • Brand Name: hth.
  • Sub Brand: Super.
  • Product Type: Chlorinating Chemicals – 2 Sanitize.
Hth Chlorine Granule 18 lb.
  • 18 lb
Clearview Shimmer N' Shock – 1 Pound | Chlorine Pool Shock
  • Chlorine based shock treatment
  • Oxidizes waste and improves water clarity
  • Controls bacteria and algae
Kem-Tek 1" Chlorinating Pool Tablets – 1.5lbs
  • For every pool sanitization and super chlorination
  • Slow dissolving and concentrated for long lasting sanitation
  • Stabilized to reduce chlorine loss to the sun’s UV rays

1. in The Swim 3 inch Stabilized Chlorine Tablets for Sanitizing Swimming Pools – I

in The Swim 3 inch Stabilized Chlorine Tablets for Sanitizing Swimming Pools - I

  • Swimming Pool 3 inch Chlorine Tablets 50lb Bucket.
  • Limit 1 Per customer.
  • IN STORE CARRIED BRAND MAY VARY.

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Amazon.com – Seller
BestPoolShop.com

Product Details

Specifications

Details
Product Dimensions 20 x 13 x 13 inches
Is Discontinued By Manufacturer No

2. RX Clear Granular Pool Chlorine – 50 lbs.

RX Clear Granular Pool Chlorine - 50 lbs.

  • 50 lbs

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Amazon.com – Seller
Walmart – Save More on Pool Supplies
PoolSupplies.com

Product Details

Specifications

Details
Pool Chemical Type Chlorine Pool Chemicals
Recommended Use Pool Chlorinating
Assembled Product Dimensions (L x W x H) 7.50 x 7.50 x 18.50 Inches

Reviews From Real Customers

maxiedog716
nstl650
georgewhitham

3. Robelle 1405M 5-in-1 Multi-Purpose 3″ Chlorine Tabs, 5 lb

Robelle 1405M 5-in-1 Multi-Purpose 3

  • 5 lbs

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Amazon.com
eBay
Walmart – Splash Super Center
Home Depot

Product Details

Specifications

Details
Tab Size (Inches) 3
Chemical Type Shock
Form Tablets
Container Type Bucket
Compatible with Salt Pools Yes

Reviews From Real Customers

malarkey
rodenbr_v3kqpx6n

4. in The Swim Instant Chlorine Shock for Swimming Pools – 1.07 Pound Container (4)

in The Swim Instant Chlorine Shock for Swimming Pools - 1.07 Pound Container (4)

  • Super powerful and effective chlorine shock treatment
  • Ideal for spring openings, stubborn algae blooms, and regular maintenance
  • Active Ingredient: Calcium Hypochlorite 73%
  • Dosage: 1 lb per 10,000 gallons

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Amazon.com – Seller

Product Details

Specifications

Details
Product Dimensions 8.6 x 8.6 x 7.2 inches
Is Discontinued By Manufacturer No

Reviews From Real Customers

Revis
Sam88
Mary V.

5. in The Swim Cal-Chlor Pool Chlorine Granules – 50 lbs.

in The Swim Cal-Chlor Pool Chlorine Granules - 50 lbs.

  • 50 lbs

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Amazon
eBay – poolsupplyworld
Walmart
InTheSwim Pool Supplies

Product Details

Specifications

Details
Chemical Type Shock
Pool Surface All Surfaces
Sanitation Type Granular Chlorine
Active Ingredient Calcium Hypochlorite

Reviews From Real Customers

Jake T.

6. Dohenys 3 inch Pool Chlorine Tablets 50 lbs.

Dohenys 3 inch Pool Chlorine Tablets 50 lbs.

  • 50 lb 3 in / 50 lb

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Amazon
eBay – czech-in-utah
Doheny’s
Pool Supplies Superstore

Product Details

7. RX Clear Granular Pool Chlorine – 100 lbs

RX Clear Granular Pool Chlorine - 100 lbs

  • 100 lbs

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Sold By Price
Amazon
Walmart – Save More on Pool Supplies
PoolSupplies.com

Product Details

Specifications

Details
Pool Chemical Type Chlorine Pool Chemicals
Recommended Use Pool Chlorinating
Assembled Product Dimensions (L x W x H) 7.50 x 7.50 x 18.50 Inches

8. in The Swim 3 inch Pool Chlorine Tablets 50 lbs.

in The Swim 3 inch Pool Chlorine Tablets 50 lbs.

  • 50 lbs

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Amazon
Fitshead
plibean
Pool and Spa Supply Store

Product Details

Specifications

Details
Chemical Type Chlorine
Container Size Bucket: 50 lb
Product Dimensions 13″ Width x 20″ Length x 13″ Height

9. Hth 8-lb Liquid Chlorine | 11189

Hth 8-lb Liquid Chlorine | 11189

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Amazon
Ace Hardware
National Supply Network
Dinuba Lumber Co

Product Details

Specifications

Details
Compatible with Salt Pools Yes
Frequency of Use Once per week
Gallons of Water Treated per Tab 1000
Form Liquid
Compatible with Chlorine Pools Yes

10. Pool Essentials Chlorinating Liquid – 1 gal, 128 fl oz

Pool Essentials Chlorinating Liquid - 1 gal, 128 fl oz

  • Liquid chlorine for swimming pools.
  • Kills harmful bacteria.
  • Pool sanitizer or pool shock.
  • For all swimming pool types Ingredients: Ingredients: Active Ingredient: Sodium Hypochlorite (10.

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eBay
Lowe’s
pOpshelf

Product Details

Specifications

Details
Units in Package 1
Unit Size 1 gl
Directions Directions for Use: It is a violation of Federal Law to use this product in a manner inconsistent with its labeling. Note: This product degrades with age. Use a chlorine test kit and increase dosage as necessary to obtain the required level of available chlorine. Swimming Pool Water Disinfection: Add 13 fl. oz. of this product for each 10,000 gal. of water to yield an available chlorine residual of 1 ppm. Maintain 1.0 to 3.0 ppm in unstabilized pools and 1.0 to 1.5 ppm in stabilized pools. To start-up or superchlorinate (shock treatment) a pool add 64 to 128 fl. oz. of this product for each 10,000 gal. of water to yield 5 to 10 ppm chlorine residual. Do not enter pool until residual is less than 4.0 ppm. Add this product at night while running pump and filter. Check in the morning and adjust as necessary. Important. Maintain pH between 7.2 to 7.6. Maintain alkalinity between 50 to 100 ppm. Winterizing Pools: While water is still clear and clean, apply 40 fl. oz. of product per 10,000 gallons, while filter is running, to obtain a 3 ppm available chlorine residual, as determined by a suitable test kit. Cover pool, prepare heater, filter and heater components for winter by following manufacturers’ instructions. Storage and Disposal: Do not contaminate water, food, or feed by storage, disposal or cleaning of equipment. Storage: Keep product in tightly closed container when not in use. Store in a cool, dry area away from direct sunlight and heat to avoid deterioration. In case of spill, flood area with large quantities of water. Product Disposal: Product or rinsates that cannot be used must be diluted with water before disposal in a sanitary sewer. Container Handling: Nonrefillable container. Do not reuse or refill this container. Offer for recycling if available or place in trash collection.
Ingredients Active Ingredient: Sodium Hypochlorite (10.0%), Other Ingredients: (90.0%), Total (100.0%).
Warnings First Aid: Call a poison control center (1-866-366-5048) or doctor for treatment advice. Have the product container or label with you when calling a poison control center or doctor, or going for treatment. If in Eyes: Hold eye open and rinse slowly and gently with water for 15-20 minutes. Remove contact lenses, if present, after the first 5 minutes, then continue rinsing. Call a poison control center or doctor for treatment advice. If on Skin or Clothing: Take off contaminated clothing. Rinse skin immediately with plenty of water for 15-20 minutes. Call a poison control center or doctor for treatment advice. If Swallowed: Call a poison control center or doctor immediately for treatment advice. Have person sip a glass of water if able to swallow. Do not induce vomiting unless told to do so by a poison control center or doctor. Do not give anything by mouth to an unconscious person. If Inhaled: Move person to fresh air. If person is not breathing, call 911 or an ambulance, then give artificial respiration preferably mouth-to-mouth, if possible. Call a poison control center or doctor for further treatment advice. Note to Physician: Probable mucosal damage may contraindicate the use of gastric lavage. Keep out of reach of children. Danger. See back panel for additional precautionary statements. Precautionary Statements: Hazards to Humans and Domestic Animals: Danger: Corrosive, may cause severe skin and eye irritation or chemical burns to broken skin. Causes eye damage. Do not get in eyes, on skin, or on clothing. Wear safety glasses or goggles and rubber gloves when handling this product. Wash after handling and before eating, drinking, chewing gum, using tobacco, or using the toilet. Avoid breathing vapors. Vacate poorly ventilated areas as soon as possible. Do not return until vapors have dissipated. Environmental Hazards: This product is toxic to fish and aquatic organisms. Physical or Chemical Hazards: Strong Oxidizing Agent: Mix only with water according to label directions. Mixing this product with chemicals (e.g. ammonia, acids, detergents, etc.) or organic matter (e.g. urine, feces, etc.) will release chlorine gas which is irritating to eyes, lungs, and mucous membranes.

Reviews From Real Customers

Hb
ozzy
Ciera

11. Hth 5 lbs Pool Care Chlorine Granules Ultra

Hth 5 lbs Pool Care Chlorine Granules Ultra

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Amazon
Fred Meyer
Ace Hardware
National Supply Network

Product Details

Specifications

Details
Pool Chemical Type Chlorine Pool Chemicals
Form Granule
Recommended Use Swimming Pool
Assembled Product Dimensions (L x W x H) 3.60 x 7.20 x 10.50 Inches

12. Hth 3 in. Chlorine Tablet 35 lb.

Hth 3 in. Chlorine Tablet 35 lb.

  • 35 lb

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Amazon
Ace Hardware
Sears
Factory Hardware Store

Product Details

Specifications

Details
Pool Chemical Type Chlorine Tablets
Outdoor Living Product Type Pool Chlorine
Pack Size 1
Container Size (oz.) 560
Product Width (in.) 12.25 in

13. in The Swim Instant Liquid Chlorine F016004034ae, 4 Pack, 1.07 lb

in The Swim Instant Liquid Chlorine F016004034ae, 4 Pack, 1.07 lb

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Amazon
eBay
Walmart – In The Swim
Leslie’s Pool Supplies

Product Details

Specifications

Details
Pool Chemical Type Chlorine Pool Chemicals
Recommended Use Swimming Pool
Assembled Product Dimensions (L x W x H) 8.60 x 8.60 x 7.20 Inches

14. GLB Small 1″ Stabilized Chlorine Tablets – 2 lb

GLB Small 1

  • Slow-dissolving 1/2-ounce tablets provide powerful chlorine sanitation.
  • Provides 90% available stabilized chlorine.
  • Can be used in floaters, feeders and skimmers.

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Amazon
eBay – jared1327
Wild West Pool Supplies

Product Details

Specifications

Details
Product Dimensions 1 x 1 x 1 inches
Is Discontinued By Manufacturer No

Reviews From Real Customers

craig2187
pete82280

15. Spa Pure Granular Chlorine 1 lb

Spa Pure Granular Chlorine 1 lb

  • Effective Chlorine Treatment.
  • Long-Lasting.
  • Effectively cleans the spa and clarifies cloudy water.
  • Dissolves rapidly in water.
  • Easy to use product that can be used to clean and shock.

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Amazon
eBay
Pool Geek
Yardandpool.com

Product Details

Specifications

Details
Chemical Composition SODIUM DICHLORO-STRIAZINETRIONE 2893-78-9
Container Size 1 lb
Container Type Bottle
Form Granules or Powder
pH Rating 6.6

16. Hth 42011 Super 3″ Chlorinating Tablets, 15 lb

Hth 42011 Super 3

  • Brand Name: hth.
  • Sub Brand: Super.
  • Product Type: Chlorinating Chemicals – 2 Sanitize.
  • Container Size: 15.75 lb.
  • Available Chlorine: 84 percent.

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Amazon
Wilco
meekoutlet.com

Product Details

Specifications

Details
Product Form Tablet
Container Size 15 lb
Tablet Size 3 in
Pool Chemical Type Chlorine Pool Chemicals
Form Tablets

17. Gre Clor Choc Granulated Chlorine White 5 kg

Gre Clor Choc Granulated Chlorine White 5 kg

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Amazon
Swiminn.com

Product Details

Reviews From Real Customers

Rafiki
manomano.it

18. Hth Chlorine Granule 18 lb.

Hth Chlorine Granule 18 lb.

  • 18 lb

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Amazon
eBay
Lowe’s
Ace Hardware

Product Details

Specifications

Details
Compatible with Hot Tubs No
Compatible with Salt Pools Yes
Form Granular
Chemical Type Chlorine
Frequency of Use Once per week

19. Clearview Shimmer N’ Shock – 1 Pound | Chlorine Pool Shock

Clearview Shimmer N' Shock - 1 Pound | Chlorine Pool Shock

  • Chlorine based shock treatment
  • Oxidizes waste and improves water clarity
  • Controls bacteria and algae
  • Dissolves quickly

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Amazon
Pool Supply Unlimited
Active Pool Supply
Hydropool.com

Product Details

Specifications

Details
Pool Chemical Type Swimming Pool Shock
Recommended Use Swimming Pool

Reviews From Real Customers

Manny
Sherry P

20. Kem-Tek 1″ Chlorinating Pool Tablets – 1.5lbs

Kem-Tek 1

  • For every pool sanitization and super chlorination
  • Slow dissolving and concentrated for long lasting sanitation
  • Stabilized to reduce chlorine loss to the sun’s UV rays
  • Maintains strong and steady chlorine residual
  • Economical size for pop up pools and small above ground pools

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Walmart – James Huxford
Best Buy Pool Supply

Product Details

Specifications

Details
Chemical Type Chlorine
Active Ingredient Trichloro-S-Triazinetrione
Chemical Size 1 inch Tablet
Container Size Bottle: 1 – 5 lb
Specialty Chlorine

Reviews From Real Customers

countrymobile

Conclusion

Chlorine is the most common sanitizer used in vinyl pools. It is effective at killing bacteria and other microorganisms that can cause illness. However, chlorine can also cause irritation to the skin and eyes.

It is important to follow the manufacturer’s directions when using chlorine in your pool.

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