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20 Best Chlorine For Hot Tub (2023 Updated)

Chlorine is a hot tub sanitizer. It is used to kill bacteria and other microorganisms that can cause illness.

20 Best Chlorine For Hot Tub

Product Image Product Name Features Price

Spa Choice Chlorine Granules – 2 lbs – 472-3-3031-02

  • Dissolves Quickly and Completely
  • Stabilized Spa Chlorine
  • 56% Available Chlorine

Spa Choice 472-3-5081 Chlorine Granules for Spas and Hot Tubs 5-Pound

  • 1 Pack

Leslie's Chlor Brite Sanitizer Spa Shock 2 lbs

  • Dissolves quickly
  • Multi-use for chlorination
  • Ultraviolet inhibitor

SpaPure Chlorinating Granules – 2 lb

  • Concentrated chlorine formula
  • Effectively controls bacteria
  • Maintains sanitizer levels and water clarity

Spa Essentials Spa Shock Xtra Dichlor Chlorine Shock for Spas and Hot Tubs Size 6 lbs

  • Brass pump will give you years of bind free use
  • UV resistant tank that will last for years of heavy use
  • Rust-free and sturdy

ProTeam Spa di Chlor (2 lb)

  • Concentrated chlorine granules
  • Quick dissolving; totally soluble
  • All-in-one product for maintenance

Clorox Pool & Spa Chlorinating Tablets, Xtra Blue, For Pool – 5 lb

  • 5 lb

Leisure Time Spa Up – 2 lbs

  • BENEFITS: Increases water pH and alkalinity; maintains clean, clear sanitized water
  • USE: Pour directly into spa water
  • COMPATIBILITY: All sanitizers including chlorine and biguanide

Natural Chemistry Spa Chlorine Concentrate Granular – 2.05 lb

  • Specifically designed for spas and hot tubs
  • Concentrated formula
  • Controls bacteria and algae in spa water

SpaChoice 472-3-5081 Chlorine Granules for Spas and Hot Tubs, 5-Pounds

  • Dissolves Quickly and Completely.
  • Stabilized Spa Chlorine.
  • 56% Available Chlorine.

Spa Time 14 oz. Chlorinating Granules

  • Reduce the growth of bacteria
  • Produce clear sparkling water
  • Product is suitable for chlorine spas

Spa Essentials Chlorinating Concentrate 2 lbs

  • 2 Pound

Spa Pure Granular Chlorine 1 lb

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

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.

Clorox Pool & Spa Chlorinating Tablets, 3 Inch, Step 2 – 5 lb

  • Size: 5 lbs

Wave Spa Hot Tub Chlorine Granules – 5kg

  • These chlorine granules are harmful if swallowed.
  • Causes serious eye irritation.
  • May cause respiratory irritation.

SpaPure Complete Chlorine Spa Care Kit

  • Ease of Use
  • Great Starter Kit or Annual Refresh
  • Compatible with all SpaPure products
Spa Choice Chlorine Granules – 2 lbs – 472-3-3031-02
  • Dissolves Quickly and Completely
  • Stabilized Spa Chlorine
  • 56% Available Chlorine
Spa Choice 472-3-5081 Chlorine Granules for Spas and Hot Tubs 5-Pound
  • 1 Pack
Leslie's Chlor Brite Sanitizer Spa Shock 2 lbs
  • Dissolves quickly
  • Multi-use for chlorination
  • Ultraviolet inhibitor
SpaPure Chlorinating Granules – 2 lb
  • Concentrated chlorine formula
  • Effectively controls bacteria
  • Maintains sanitizer levels and water clarity
Spa Essentials Spa Shock Xtra Dichlor Chlorine Shock for Spas and Hot Tubs Size 6 lbs
  • Brass pump will give you years of bind free use
  • UV resistant tank that will last for years of heavy use
  • Rust-free and sturdy
ProTeam Spa di Chlor (2 lb)
  • Concentrated chlorine granules
  • Quick dissolving; totally soluble
  • All-in-one product for maintenance
Clorox Pool & Spa Chlorinating Tablets, Xtra Blue, For Pool – 5 lb
  • 5 lb
Leisure Time Spa Up – 2 lbs
  • BENEFITS: Increases water pH and alkalinity; maintains clean, clear sanitized water
  • USE: Pour directly into spa water
  • COMPATIBILITY: All sanitizers including chlorine and biguanide
Natural Chemistry Spa Chlorine Concentrate Granular – 2.05 lb
  • Specifically designed for spas and hot tubs
  • Concentrated formula
  • Controls bacteria and algae in spa water
SpaChoice 472-3-5081 Chlorine Granules for Spas and Hot Tubs, 5-Pounds
  • Dissolves Quickly and Completely.
  • Stabilized Spa Chlorine.
  • 56% Available Chlorine.
Spa Time 14 oz. Chlorinating Granules
  • Reduce the growth of bacteria
  • Produce clear sparkling water
  • Product is suitable for chlorine spas
Spa Essentials Chlorinating Concentrate 2 lbs
  • 2 Pound
Spa Pure Granular Chlorine 1 lb
  • Effective Chlorine Treatment.
  • Long-Lasting.
  • Effectively cleans the spa and clarifies cloudy water.
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.
Clorox Pool & Spa Chlorinating Tablets, 3 Inch, Step 2 – 5 lb
  • Size: 5 lbs
Wave Spa Hot Tub Chlorine Granules – 5kg
  • These chlorine granules are harmful if swallowed.
  • Causes serious eye irritation.
  • May cause respiratory irritation.
SpaPure Complete Chlorine Spa Care Kit
  • Ease of Use
  • Great Starter Kit or Annual Refresh
  • Compatible with all SpaPure products

1. Spa Choice Chlorine Granules – 2 lbs – 472-3-3031-02

Spa Choice Chlorine Granules - 2 lbs - 472-3-3031-02

  • Dissolves Quickly and Completely
  • Stabilized Spa Chlorine
  • 56% Available Chlorine
  • Controls Algae
  • Downloadable User Guide Available Under Product Information: Technical Specifications

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Amazon.com
eBay
Walmart – ArcherSkyes, LLC
meekoutlet.com

Product Details

Specifications

Details
actual depth inches 3
actual width inches 3
chemical product type Pool Shock
chemical type Granular Pool Chlorine
hot tub accessory type Hot Tub Chemicals
pack size 2
product height in 10

Reviews From Real Customers

Jack
Howie

2. Spa Choice 472-3-5081 Chlorine Granules for Spas and Hot Tubs 5-Pound

Spa Choice 472-3-5081 Chlorine Granules for Spas and Hot Tubs 5-Pound

  • 1 Pack

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Amazon.com
eBay
Walmart
SpaDepot.com

Product Details

Specifications

Details
actual depth inches 3
actual width inches 3
chemical product type Pool Shock
chemical type Granular Pool Chlorine
hot tub accessory type Hot Tub Chemicals

Reviews From Real Customers

Palm-nut
Rancks

3. Leslie’s Chlor Brite Sanitizer Spa Shock 2 lbs

Leslie's Chlor Brite Sanitizer Spa Shock 2 lbs

  • Dissolves quickly
  • Multi-use for chlorination
  • Ultraviolet inhibitor
  • 99% sodium dichloro-s- triazinetrione blend

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Amazon.com – Seller
Leslie’s Pool Supplies
InTheSwim Pool Supplies
Solar Pool Ionizers

Product Details

Specifications

Details
Container Size Bottle: 2 lb
Chemical Type Chlorine

Reviews From Real Customers

David M.
Marilyn M.
lesliespool.com

4. SpaPure Chlorinating Granules – 2 lb

SpaPure Chlorinating Granules - 2 lb

  • Concentrated chlorine formula
  • Effectively controls bacteria
  • Maintains sanitizer levels and water clarity

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Sold By Price
Amazon.com – Seller
Walmart – Home Innovations
Pool Warehouse
Yardandpool.com

Product Details

Specifications

Details
Weight 36.01 lb

5. Spa Essentials Spa Shock Xtra Dichlor Chlorine Shock for Spas and Hot Tubs Size 6 lbs

Spa Essentials Spa Shock Xtra Dichlor Chlorine Shock for Spas and Hot Tubs Size 6 lbs

  • Brass pump will give you years of bind free use
  • UV resistant tank that will last for years of heavy use
  • Rust-free and sturdy
  • Carry handle also functions as storage for the pump
  • Dual Nozzle changes quickly from stream to spray without tools

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Sold By Price
Amazon.com – Seller
eBay – goldshmithan_0
Walmart – JRC E-Commerce
Pool Geek

Product Details

Specifications

Details
Recommended Use Hot Tub
Assembled Product Dimensions (L x W x H) 9.00 x 7.00 x 4.00 Inches

Reviews From Real Customers

BoneHeadBrew
Jonathan F.
indianaj222

6. ProTeam Spa di Chlor (2 lb)

ProTeam Spa di Chlor (2 lb)

  • Concentrated chlorine granules
  • Quick dissolving; totally soluble
  • All-in-one product for maintenance

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Amazon.com
eBay – widestep
Midwest Pool & Spa
Spa and Pool HQ

Product Details

Specifications

Details
Package Dimensions 10 x 3 x 3 inches
Is Discontinued By Manufacturer No

Reviews From Real Customers

Richard L.
Sue W.
Harry O.

7. Clorox Pool & Spa Chlorinating Tablets, Xtra Blue, For Pool – 5 lb

Clorox Pool & Spa Chlorinating Tablets, Xtra Blue, For Pool - 5 lb

  • 5 lb

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Amazon.com
eBay
Walmart
Lowe’s

Product Details

Specifications

Details
Units in Package 1
Unit Size 5 lb
Directions Directions For Use: It is a violation of Federal Law to use this product in any manner inconsistent with its labeling. Read entire label and use strictly in accordance with precautionary statements and directions. Test & balance water prior to use. Adjust pH to 7.2-7.6 and free chlorine to 1-4 ppm. Use: Protects against algae and bacteria for water that stays clean, clear & free of visible algae. Application Methods: If water is cloudy or green, add a granular shock product per label directions. Feeder & Floater: Fill with tablets and adjust output to bring chlorine to 1-4 ppm, test and refill as needed to maintain 1-4 ppm. Skimmer: Add 2 tablets per 10,000 gallons to bring chlorine to 1-4 ppm then add more tablets as needed to maintain 1-4 ppm. Do not apply other chemicals through feeder as an explosion might occur. Direct contact with pool surfaces or equipment may cause damage. For Best Results: Add more product after heavy pool use, high temperatures or rain to maintain 1-4 ppm. Re-entry into treated swimming pools is prohibited above levels of 4 ppm chlorine due to risk of body injury. Storage and Disposal: Keep this product dry in original tightly closed container when not in use. Store in a cool, dry, well ventilated area away from heat or open flame. Moisture may decompose this product and cause a violent reaction leading to fire and explosion. In case of decomposition, isolate container if possible and flood area with large amounts of water to dissolve all material before discarding this container. Do not contaminate food or feed by storage or disposal. Container Disposal: Non-refillable container. Do not reuse or refill this container. Offer for recycling if available. Rinse thoroughly before recycling or discarding in trash. To Open: Press in pail corner and lift lid. To Close: Snap down lid corners and sides.
Ingredients Active Ingredient: Trichloro-S-Triazinetrione (94.05%). Other Ingredients: (5.95%). Total Ingredients: (100.0%). Available Chlorine: (84.65%).
Warnings Keep out of reach of children. Danger: See back panel for first aid and additional precautionary statements. Precautionary Statements: Hazards to Humans and Domestic Animals: Danger: Corrosive: Causes irreversible eye damage and skin burns. May be fatal if absorbed through skin. May be fatal if inhaled. Do not breathe dust of fumes. Irritating to nose and threat. Harmful if swallowed. Do not get in eyes, on skin or on clothing. Wear goggles or safety glasses, protective clothing and rubber gloves when handling this product. Wash thoroughly with soap and water after handling and before eating, drinking, using tobacco or using the toilet. Remove contaminated clothing and wash before reuse. Physical or Chemical Hazards: Contains a strong oxidizing agent. Do not mix with other chemicals. Mix only with water. Never add water to product. Always add product to large quantities of water. When using automatic feeding devices, always follow manufacturer’s directions as to the proper addition of sanitizer product to chlorinators. Use clean dry utensils. Do not add this product to any dispensing device containing remnants of any other product. Such use may cause a violent reaction leading to fire or explosion. Contamination with moisture, organic matter, or other chemicals will start a chemical reaction and generate heat, hazardous gas, possible fire and explosion. In case of contamination or decomposition, do not reseal container. If possible, isolate container in open air or well-ventilated area. Flood area with large volumes of water. First Aid: 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 eye. 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 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 poison control center or doctor immediately for treatment advice. If Swallowed: Call 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 the poison control center or doctor. Do not give anything by mouth to an unconscious person. Have the product container or label with you when calling a poison control center or doctor, or going for treatment. In case of medical emergency, call 1-877-800-5533. Note to Physician: Probable mucosal damage may contraindicate the use of gastric lavage. Environmental Hazards: This pesticide is toxic to fish and aquatic organisms. Note: User assumes all responsibility for use not in accordance with directions.

Reviews From Real Customers

Ben
knik

8. Leisure Time Spa Up – 2 lbs

Leisure Time Spa Up - 2 lbs

  • BENEFITS: Increases water pH and alkalinity; maintains clean, clear sanitized water
  • USE: Pour directly into spa water
  • COMPATIBILITY: All sanitizers including chlorine and biguanide
  • FEATURES: Fast-dissolving granular product
  • ACTIVE INGREDIENTS: Sodium Bicarbonate

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Amazon.com
Walmart
Family Leisure
McGuckin Hardware

Product Details

Specifications

Details
Weight 36.01 lb

Reviews From Real Customers

whatithink
The B.
MrsBigSteve

9. Natural Chemistry Spa Chlorine Concentrate Granular – 2.05 lb

Natural Chemistry Spa Chlorine Concentrate Granular - 2.05 lb

  • Specifically designed for spas and hot tubs
  • Concentrated formula
  • Controls bacteria and algae in spa water

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Sold By Price
Amazon
eBay – exclusivepoolparts
Spa and Pool Store
Yardandpool.com

Product Details

Specifications

Details
Products by Type Sanitizers

Reviews From Real Customers

fixitseven
bownepark

10. SpaChoice 472-3-5081 Chlorine Granules for Spas and Hot Tubs, 5-Pounds

SpaChoice 472-3-5081 Chlorine Granules for Spas and Hot Tubs, 5-Pounds

  • Dissolves Quickly and Completely.
  • Stabilized Spa Chlorine.
  • 56% Available Chlorine.
  • Controls Algae.
  • Kills Bacteria.

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Amazon
eBay – tahurl

Product Details

Specifications

Details
Start-up Dosage (ounces per gallon) 0.0016
Maintenance Dosage (ounces per gallon) 0.0003

11. Spa Time 14 oz. Chlorinating Granules

Spa Time 14 oz. Chlorinating Granules

  • Reduce the growth of bacteria
  • Produce clear sparkling water
  • Product is suitable for chlorine spas
  • Sanitizer and shock is a fast-dissolving chlorinating sanitizer

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Amazon
Home Depot
The BuildClub

Product Details

Specifications

Details
Pool Chemical Type Granulated Pool Shock
Outdoor Living Product Type Pool Chlorine
Pack Size 1
Container Size (oz.) 14
Product Width (in.) 7.63

Reviews From Real Customers

shtoppers
carolyncaf

12. Spa Essentials Chlorinating Concentrate 2 lbs

Spa Essentials Chlorinating Concentrate 2 lbs

  • 2 Pound

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Amazon
eBay – mstorep
DK Hardware

Product Details

Specifications

Details
Country of Origin USA
Package Quantity 1
Package Weight (Lbs) 2 Lb
Pool Chemical Form Granules
Pool Chemical Type Chlorine

Reviews From Real Customers

Snealey
Jaime

13. 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

14. Hot Tub Granular Chlorine – Spa Choice Dichlor Spa & Pool

Hot Tub Granular Chlorine - Spa Choice Dichlor Spa & Pool

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Amazon
SpaDepot.com

Product Details

Reviews From Real Customers

roseanne.b
Dcguy

15. 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

16. Clorox Pool & Spa Chlorinating Tablets, 3 Inch, Step 2 – 5 lb

Clorox Pool & Spa Chlorinating Tablets, 3 Inch, Step 2 - 5 lb

  • Size: 5 lbs

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Amazon
eBay
Walmart
Albertsons

Product Details

Specifications

Details
Units in Package 1
Unit Size 5 lb
Directions Directions for Use: It is a violation of Federal Law to use this product in any manner inconsistent with its labeling. Read entire label and use strictly in accordance with precautionary statements and directions. Test & balance water prior to use. Adjust pH to 7.2-7.6 and free chlorine to 1-4 ppm. Visit cloroxpool.com for free water analysis & personalized product and dosage recommendations. Use: Sanitizes water for a clean, clear pool. Application Methods: If water is cloudy or green, add a granular shock product per label directions. Feeder & Floater: Fill with tablets and adjust outpost to bring chlorine to 1-4 ppm, test and refill as needed to maintain 1-4 ppm. Skimmer: 1 tablet per 10,000 gallons to bring chlorine to 1-4 ppm then add more tablets as needed to maintain 1-4 ppm. Do not apply other chemicals through feeder as an explosion might occur. Direct contact with pool surfaces or equipment may cause. For Best Results: Apply more product after heavy use, high temperatures or rain. Re-entry into treated swimming pools is prohibited above levels of 4 ppm chlorine due to risk of body injury. Storage and Disposal: Keep this product dry in original tightly closed container when not in use. Store in a cool, dry, well-ventilated area away from heat or open. Do not contaminate food or feed by storage or disposal. Container Disposal: Non-refillable container. Do not reuse or refill this container. Offer for recycling, if available. Triple rinse container (or equivalent) promptly after empty.
Ingredients Active Ingredient: Trichloro-S-Triazinetrione (99.0%). Other Ingredients: (1.0%). Total: (100.0%). Available Chloride: (90%).
Warnings Keep out of reach of children. Danger: See back panel for first aid and additional precautionary statements. Precautionary Statements: Hazards to Humans and Domestic Animals: Danger: Corrosive: Causes irreversible eye damage and skin burns. May be fatal if absorbed through skin. May be fatal if inhaled. Do not breathe dust or fumes. Irritating to nose and throat. Harmful if swallowed. Do not get in eyes, on skin or on clothing. Wear goggles or safety glasses, protective clothing and rubber gloves when handling this product. Wash thoroughly with soap and water after handling and before eating, drinking or using tobacco. Remove contaminated clothing and wash before reuse. Physical or Chemical Hazards: Strong Oxidizing Agent: Do not mix with other chemicals. Mix only with water. Never add water to product. Always add product to large quantities of water. When using automatic feeding devices, always follow manufacturer’s directions as to the proper addition of sanitizer product to chlorinators. Use clean dry utensils. Do not add this product to any dispensing device containing remnants of any other product. Such use may cause a violent reaction leading to fire or explosion. Contamination with moisture, organic matter or other chemicals will start a chemical reaction and generate heat, hazardous gas, possible fire and explosion. In case of contamination or decomposition, do not reseal container. If possible, isolate container in open air or well ventilated area. Flood area with large volumes of water. First Aid: In 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 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 treatment advice. 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 eye. Call a poison control center or doctor for treatment advice. If Swallowed: Call 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 the poison control center or doctor. Do not give anything by mouth to an unconscious person. Have the product container or label with you when calling a poison control center or doctor, or going for treatment. In case of medical emergency, call 1-877-800-5553. Note to Physician: Probable mucosal damage may contraindicate the use of gastric lavage. Environmental Hazards: This pesticide is toxic to fish and aquatic organisms. Note: User assumes all responsibility for use not in accordance with directions.

Reviews From Real Customers

pool man
twigg06

17. Wave Spa Hot Tub Chlorine Granules – 5kg

Wave Spa Hot Tub Chlorine Granules - 5kg

  • These chlorine granules are harmful if swallowed.
  • Causes serious eye irritation.
  • May cause respiratory irritation.
  • Very toxic to aquatic life with long lasting effects.
  • Avoid breathing dust/ fume/ gas/ mist/ vapours/spray.

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Walmart – Wave Direct Limited
Wave Spas USA

Product Details

Specifications

Details
Recommended Use Spa or Pool Maintenance

Reviews From Real Customers

Sarah B
wavedirect.co.uk

18. SpaPure Complete Chlorine Spa Care Kit

SpaPure Complete Chlorine Spa Care Kit

  • Ease of Use
  • Great Starter Kit or Annual Refresh
  • Compatible with all SpaPure products
  • Great Quality
  • Effective

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E-Z Test Pool Supplies
Myhottubstuff
Spa and Pool HQ

Product Details

Specifications

Details
Weight 128.01 lb

Reviews From Real Customers

Paul T.

19. SpaBoss Chlor-Aid

SpaBoss Chlor-Aid

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MasterSpaParts.com
Pool And Spa Sale

Product Details

Reviews From Real Customers

Kevin Joseph M
Spa U
phil c

20. Aquablanc 1Ltr Combination Liquid Non Chlorine Treatment Hot Tub Inflatable Spa

Aquablanc 1Ltr Combination Liquid Non Chlorine Treatment Hot Tub Inflatable Spa

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bigamart.com

Product Details

Reviews From Real Customers

Jade
robtriumph12
ianfielding

Conclusion

s

Chlorine is an effective disinfectant for hot tubs and pools and is necessary to maintain clean and safe water. However, too much chlorine can be harmful to swimmers and can cause skin and eye irritation.

It is important to maintain a balanced chlorine level in your hot tub or pool to ensure the safety of your guests.

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