10 Best Swimming Pool Startup Chemicals In The Us

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Last Updated - November 26, 2024

Best Choice

1

LeisureQuip
BioGuard® Pool Startup Chemical Kit: BioGuard SilkGuard Complete Chlorine Tablets, Smart Shock, 5-Way Test Strips, LeisureQuip Pool Care Logbook, Pool Opening Kit for Inground & Above Ground Pools

9.3 deep clean

8.2 Simple to use

8.0 worth the money

Why we love it

Convenient bundle saves time and money for pool maintenance.

SilkGuard softens water and protects pool surfaces.

Smart Shock requires no pre-mixing, swim in 15 minutes.
Main highlights

Comprehensive Pool Care Kit
BioGuard Swimming Pool Chemical Kit includes Silkguard Complete Chlorine Tablets, Smart Shock, 5-way Test Strips, and a Pool & Spa Care Log Book.

Ideal for Pool Start-Up
Perfect for getting your pool ready for the season, saving time and money by bundling essential chemicals and maintenance tools.

Ease of Use Praised by Customers
Customers appreciate the ease of use and effectiveness, noting that the products are simple to apply and maintain a clear pool.
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9.8

Exceptional

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Value for Money

2

In The Swim
In The Swim Pool Shock – 68% Cal-Hypo Granular Sanitizer for Crystal Clear Water – Defends Against Bacteria, Algae, and Microorganisms- 24 X 1 Pound

19% Off

9.5 Simple to use

9.3 Precision

9.3 Long life

Why we love it

Powerful chlorine shock treatment

Quickly eliminates algae, bacteria, and other harmful contaminants

Main active ingredient is 68 Calcium Hypochlorite
Main highlights

Quickly eliminates algae, bacteria, and other harmful contaminants from your pool water.
Powerful chlorine shock treatment that is great for regular maintenance.
Main active ingredient is 68% Calcium Hypochlorite (Cal-Hypo) for quick sanitizing.
Dosage: 1 Pound per 10,000 gallons
Cal-Chlor granules can be used in swimming pools, spas and hot tubs. Must pre-dissolve/dilute to prevent bleaching of the liner.
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9.7

Exceptional

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3

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

26% Off

9.7 worth the money

9.5 Simple to use

9.5 Sheerness

Why we love it

Pre-measured kits save time and simplify pool opening.

Effective chemicals ensure clean, clear, and safe water.

Easy-to-follow instructions make pool maintenance a breeze.
Main highlights

Pre-Measured Convenience
Save time and take the guesswork out of measuring chemicals with our pre-measured pool opening kits, ensuring a hassle-free pool opening experience.

Efficient for Large Pools
Ideal for large pools up to 30,000 gallons; consider buying two kits for optimal results in bigger pools, ensuring thorough cleaning and clarity.

Easy to Follow Instructions
Most customers praise the easy-to-follow instructions, which make pool opening straightforward and quick, often achieving crystal-clear water in under 48 hours.
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9.5

Excellent

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4

Doheny's
Doheny's Ultimate Pool Opening Start-Up Kit | Contains All of The Professional Grade Chemicals You N

9.9 Precision

9.5 Simple to use

8.9 worth the money

Why we love it

Convenient: All in one package.

Powerful: Most powerful start up kit.

Customizable: Multiple kits for larger pools.
Main highlights

Key Features
Eliminates buying separate chemicals, works for 10,000-30,000 gallon pools, includes Metal Out, Water Clarifier, Super Shock Plus, and free test strips.

Ideal Use Cases
Perfect for spring pool openings, especially for those seeking a hassle-free, comprehensive chemical solution for chlorine-based pools.

Customer Praise
Most reviews highlight the convenience and effectiveness, particularly appreciating the inclusion of free test strips for easy water quality monitoring.
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9.2

Excellent

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5

Rx Clear
Rx Clear Spring Start-Up Kit | Chemicals for Opening Swimming Pools | Above or Inground | for Pools Up to 7,500 Gallons | Includes Shock, Algaecide, Stabilizer/Conditioner and Test Strips

9.1 quality of ingredients

8.4 Simple to use

8.2 worth the money

Why we love it

Ensures clear and clean pool water quickly.

All-in-one kit simplifies pool maintenance.

Prevents corrosion and protects pool components.
Main highlights

Clear and Clean Water Supplies
The Rx Clear Deluxe Opening Kit includes essential chemicals to combat green, cloudy, or problematic pool water, ensuring a safe start to the swimming season.

Ideal for Seasonal Pool Opening
Perfect for opening pools after winter, this kit prevents corrosion, balances water chemistry, and clears up murky water quickly.

Fast and Effective Pool Cleaning
Customers consistently praise the kit's ability to clear pool water quickly, making it ready for use within a few days.
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9.0

Excellent

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6

HTH
HTH 91022 Swimming Pool Care Kit, Opening and Closing Swimming Pool Supplies, 4 lbs

9.9 worth the money

9.9 Precision

9.9 Simple to use

Why we love it

All in one kit.

Tests, shocks, kills prevents algae.

Compatible with chlorine saltwater pools.
Main highlights

Key Features
Comprehensive pool care kit for opening/closing, includes chemicals for testing, shock treatment, algae prevention, and metal control, treats up to 20,000 gallons.

Ideal Use Cases
Perfect for both chlorine and saltwater systems, and for winterizing pools at season`s end, ensuring a clean and easy start next season.

Customer Praise
Users highly commend the kit for its ease of use and effectiveness in maintaining pool clarity and preventing algae growth throughout the season.
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8.8

Very Good

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7

CLOROX POOL & Spa
CLOROX Pool&Spa XtraBlue 3” Chlorinating Tablets, Kills Bacteria & Stops Algae, 5 LB

51% Off

8.0 Sheerness

8.0 Simple to use

8.0 Long life

Why we love it

Kills bacteria

Kills and prevents all types of pool algae

Prevents corrosion, scale and stains
Main highlights

Key Features
Combats bacteria, all algae types, prevents corrosion, scale, and stains with enhanced sunlight protection. Packaging may vary.

Ideal Use Cases
Perfect for maintaining clear, clean pool water in various conditions, effectively preventing common pool problems before they start.

Customer Praise
Most reviews highlight its effectiveness in keeping pools algae-free for longer, appreciating the product`s lasting impact and reliability.
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8.6

Very Good

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8

MAV AquaDoc
Aquadoc Bromine Hot Tub Starter Kit for Spas, Complete Spa Maintenance Kit with Bromine Tablets & Complete Hot Tub Chemicals Starter Kit with All Spa Chemicals for Hot Tub Kit for pH Water Balance

31% Off

8.0 Simple to use

8.0 Instruction

8.0 worth the money

Why we love it

Comprehensive kit with all essential chemicals included.

Ensures crystal clear and balanced hot tub water.

Extends hot tub life with calcium and metal prevent.
Main highlights

Complete_Spa_Starter_Kit
The Aquadoc kit includes Bromine Tablets, Bromine Booster, Calcium Increaser, Ph Increaser, Ph Decreaser, Chlorine-Free Shock, Defoamer, Metal Prevent, Floater, and Test Strips.

Ideal_For_New_Hot_Tub_Owners
Perfect for new hot tub owners or those with inflatable hot tubs, providing all necessary chemicals for clear and balanced water.

Customer_Praise_Complete_Set
Customers appreciate that it comes with everything needed to maintain a hot tub, simplifying the maintenance routine.
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8.4

Good

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9

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

35% Off

9.9 Simple to use

9.7 Instruction

9.7 Precision

Why we love it

Time saving: No need to shop around for individual chemicals.

Cost effective: No need to buy multiple kits for larger pools.

Safe: No chlorine based chemicals to damage surfaces or pool.
Main highlights

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.
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.
Convenient: In The Swim's Pool Winterizing and Closing Chemical Kit streamlines pool closing with all necessary chemicals included, saving time and chemical cost.
Comprehensive Kit Components: Kit includes 1 Qt. Winterizer, 1 Qt. Winter Stain-Away, 2 Lb. Chlorine Free Pool Shock, 1 Winter Sorb, and 1 Winter Pool Floater.
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8.3

Good

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10

LO-CHLOR
Lo-Chlor FastStart-Tech - Easy Pool Starter Protects New Pool Surfaces at Start Up - Prevents Metal Stains and Scale Formation As Part of Your Pool Opening Kit for Above Ground Pool & Inground (32oz)
Main highlights

Perfect for New Pool Start-Ups: FastStart-Tech advanced sequestrant prevents metal stains, calcium scale, and plaster dust. Ideal for use with pool chemical start up kit and pool opening kits.
No Phosphates or Harsh Chemicals: FastStart-Tech contains no phosphates, NTA, or carcinogens, making it a safer, eco-friendly alternative to other pool chemical kits and salt water pool opening kits.
Long-Term Protection for Salt Pools: FastStart-Tech protects saltwater pools and other systems, extending the life of your equipment and delivering the best results alongside a pool starter kit.
Faster, Smoother Pool Start Ups: Delivers a smoother, cleaner pool finish on any surface, reducing the time and effort needed for brushing when using as part of a pool start up kit.
Effective Scale Control: Keep pool surfaces protected by reducing calcium scale buildup, especially on salt chlorine generator cells, ensuring your pool stays pristine with a pool maintenance kit.
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8.2

Good

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10 Best Swimming Pool Startup Chemicals In The Us

1

BioGuard® Pool Startup Chemical Kit: BioGuard SilkGuard Complete Chlorine Tablets, Smart Shock, 5-Way Test Strips, LeisureQuip Pool Care Logbook, Pool Opening Kit for Inground & Above Ground Pools

Why we love it

2

In The Swim Pool Shock – 68% Cal-Hypo Granular Sanitizer for Crystal Clear Water – Defends Against Bacteria, Algae, and Microorganisms- 24 X 1 Pound

Why we love it

3

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

Why we love it

4

Doheny's Ultimate Pool Opening Start-Up Kit | Contains All of The Professional Grade Chemicals You N

Why we love it

5

Rx Clear Spring Start-Up Kit | Chemicals for Opening Swimming Pools | Above or Inground | for Pools Up to 7,500 Gallons | Includes Shock, Algaecide, Stabilizer/Conditioner and Test Strips

Why we love it

6

HTH 91022 Swimming Pool Care Kit, Opening and Closing Swimming Pool Supplies, 4 lbs

Why we love it

7

CLOROX Pool&Spa XtraBlue 3” Chlorinating Tablets, Kills Bacteria & Stops Algae, 5 LB

Why we love it

8

Aquadoc Bromine Hot Tub Starter Kit for Spas, Complete Spa Maintenance Kit with Bromine Tablets & Complete Hot Tub Chemicals Starter Kit with All Spa Chemicals for Hot Tub Kit for pH Water Balance

Why we love it

9

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

Why we love it

10

Lo-Chlor FastStart-Tech - Easy Pool Starter Protects New Pool Surfaces at Start Up - Prevents Metal Stains and Scale Formation As Part of Your Pool Opening Kit for Above Ground Pool & Inground (32oz)

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