HTH

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When purchasing a product, price is the consumer's primary concern. At present, HTH has 124 products for sale. HTH products range in price from $3.97 to $104.96, and the average price of all the products is about $25.29.

We found that most of the HTH products are manufactured by Innovative Water Care and HTH Store. The manufacturers provide HTH with a steady supply of products, and they have a good cooperative relationship with each other.

You can confidently purchase HTH products on Amazon.com. The brand holds an average rating of 4.7, testifying to its excellent reputation.

HTH Best Sellers

Last Updated: Jan 9, 2026

HTH 52037R Pool Care Shock Advanced, Swimming Pool Chemical - Cal Hypo Formula, Prevents Bacteria & Algae, Restores Crystal Clear Water - Shock Treatment, 1lb (12 Pack)

Pool Chlorine

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BENEFITS: Stay all clear for cannonballs; This fast-dissolving, convenient 4-in-1 formula kills bacteria and algae, reduces chlorine odor and irritation, and quickly restores crystal clarity

FEATURES: Multi-functional shock treatment for weekly use to solve 90% of pool water problems within 24 hours and restore crystal clarity

VISIBLY BRILLIANT SPARKLE: This Cal Hypo based formula sanitizes without adding cyanuric acid (CYA) to prevent overstabilization or chlorine lock

COMPATIBLE WITH ALL SWIMMING POOLS: This product is great for all pool types including vinyl-lined pools and saltwater systems

YOU'RE ALL CLEAR WITH HTH: For best results, use with HTH 6-Way Test Strips to test and balance your swimming pool water twice weekly

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HTH 52036R Pool Care Shock Advanced, Swimming Pool Chemical - Cal Hypo Formula, Prevents Bacteria & Algae, Restores Crystal Clear Water - Shock Treatment, (6 Pack)

Pool Chlorine

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BENEFITS: Stay all clear for cannonballs; This fast-dissolving, convenient 4-in-1 formula kills bacteria and algae, reduces chlorine odor and irritation, and quickly restores crystal clarity

FEATURES: Multi-functional shock treatment for weekly use to solve 90% of pool water problems within 24 hours and restore crystal clarity

VISIBLY BRILLIANT SPARKLE: This Cal Hypo based formula sanitizes without adding cyanuric acid (CYA) to prevent overstabilization or chlorine lock

COMPATIBLE WITH ALL SWIMMING POOLS: This product is great for all pool types including vinyl-lined pools and saltwater systems

YOU'RE ALL CLEAR WITH HTH: For best results, use with HTH 6-Way Test Strips to test and balance your swimming pool water twice weekly

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HTH 42049 Pool Care 1" Chlorine Tabs, Swimming Pool Sanitizer with Added Clarifier - Eliminates Bacteria & Algae, Makes Water Clean & Crystal Clear, Sanitizes & Protects - Slow Dissolving, 1.5 lbs

Pool Chlorine

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BENEFIT: Protect your swimming pool and enjoy clean, clear water with these easy-to-use chlorine-based tabs; Kills algae and bacteria

CLEAN, CLEAR WATER: HTH Chlorine Tabs keep water clear while protecting against bacteria, algae and other organisms

SLOW DISSOLVING, LONG LASTING: Sun protected for longer chlorine life, HTH Chlorine Tabs dissolve slowly and last up to one week

COMPATIBLE WITH ALL POOLS: This product is great for all pool types, including saltwater systems; Use 1" tabs for above ground pools, 3" tabs for inground pools; Use in floater, feeder, or skimmer basket

YOU'RE ALL CLEAR WITH HTH: For best results, use HTH 6-Way Test Strips twice weekly to test and balance your swimming pool water and keep chlorine levels between 1 and 4 ppm

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HTH 52031 Swimming Pool Care Shock, Swimming Pool Chlorinator Boosts Chlorine Levels, Cal Hypo Formula, 13.3oz (1 Pack)

Pool Chlorine

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BENEFIT: Shock treat, sanitize, clarify, and help prevent bacteria and algae in your swimming pool water, all with this convenient, easy-to-use product

FEATURES: Multi-use pool shock with Cal Hypo; Use weekly to solve 90% of pool water problems within 24 hours; Fast-acting and fast-dissolving

VISIBLY BRILLIANT SPARKLE: This Cal Hypo based formula sanitizes without adding cyanuric acid (CYA) to prevent overstabilization or chlorine lock

COMPATIBLE WITH ALL SWIMMING POOLS: This product is great for all pool types including vinyl-lined pools and saltwater systems

YOU'RE ALL CLEAR WITH HTH: For best results, use with HTH 6-Way Test Strips to test and balance your swimming pool water twice weekly

HTH 67244 Swimming Pool Care Algae Guard Ultra - Long Lasting Formula, Eliminates & Prevents Green, Black, and Mustard Algae, Fast Acting & Effective Swimming Pool Chemical, 32oz

Swimming Pool Algaecides

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BENEFIT: Get long-lasting protection from extreme algae; This non-foaming algae control kills and prevents blooms of all algae types

OUR STRONGEST ALGAE CONTROL: Kills, prevents and protects against regrowth of heavy green, black and mustard swimming pool algae for up to 3 months

NON-FOAMING, FAST-ACTING: Add HTH Algae Guard Ultra directly to your swimming pool water and swim right away

COMPATIBLE WITH ALL POOLS: This non-staining formula is great for all swimming pools including vinyl-lined and saltwater systems

YOU'RE ALL CLEAR WITH HTH: For best results, use HTH Algae Guard Ultra every 3 months; Works great with HTH Shock products

HTH 67084 Pool Care Algae Guard Advanced, All Algae Eliminator for Swimming Pools - Fast-Acting, Destroys & Prevents Green, Black & Mustard Algae, Keeps Pool Water Crystal Clear, 32 fl oz

Swimming Pool Algaecides

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BENEFIT: Be all clear for more summertime fun; Use this powerful, non-foaming formula to kill and prevent heavy amounts of algae blooms for crystal clear pool water

POWERFUL ALGAE CONTROL: HTH Algae Guard Advanced effectively destroys and prevents heavy green, black and mustard algae blooms

NON-FOAMING, FAST-ACTING: Add HTH Algae Guard Advanced directly to your swimming pool water and swim right away

COMPATIBLE WITH ALL POOLS: This product is great for all swimming pools including vinyl-lined and saltwater systems

YOU'RE ALL CLEAR WITH HTH: For best results, use HTH Algae Guard Advanced as part of your weekly maintenance routine; Works great with HTH Shock products

HTH 52038 Swimming Pool Care Green to Blue, Advanced Shock System, 2-Step Swimming Pool Care Solution, 1 Kit

Pool Chlorine

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BENEFITS: Fight a severe algae bloom and transform your swimming pool water from green to blue in 24 hours with this easy-to-use system

EASY TO USE: Simple 2-step system; Pack I is a strong algae-fighting pool shock with Cal Hypo; Pack II is a powerful flocculant that drops particles to floor for easy vacuuming

VISIBLY BRILLIANT SPARKLE: This Cal Hypo based formula transforms water from green to blue within 24 hours without adding cyanuric acid (CYA) to prevent overstabilization or chlorine lock

COMPATIBLE WITH ALL SWIMMING POOLS: This product is effective for all pool types that can vacuum to waste; It's ideal for vinyl-lined pools and won't fade liners

YOU'RE ALL CLEAR WITH HTH: For best results, use with HTH 6-Way Test Strips to test and balance your swimming pool water twice weekly

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HTH 52035 Swimming Pool Care Shock Advanced, Swimming Pool Chemical, Cal Hypo Formula, 1lb

Pool Chlorine

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BENEFITS: Stay all clear for cannonballs; This fast-dissolving, convenient 4-in-1 formula kills bacteria and algae, reduces chlorine odor and irritation, and quickly restores crystal clarity

FEATURES: Multi-functional shock treatment for weekly use to solve 90% of pool water problems within 24 hours and restore crystal clarity

VISIBLY BRILLIANT SPARKLE: This Cal Hypo based formula sanitizes without adding cyanuric acid (CYA) to prevent overstabilization or chlorine lock

COMPATIBLE WITH ALL SWIMMING POOLS: This product is great for all pool types including vinyl-lined pools and saltwater systems

YOU'RE ALL CLEAR WITH HTH: For best results, use with HTH 6-Way Test Strips to test and balance your swimming pool water twice weekly

Read more Read less

HTH 42055 Pool Care 3" Chlorine Tabs Advanced, Swimming Pool Sanitizer with Clarifier & Algaecide - Destroys Bacteria & Algae, Delivers Crystal Clear Water All Season, Slow Dissolving, 25 lbs

Pool Chlorine

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BENEFIT: Sanitizer, clarifier, and algaecide to protect your swimming pool and swimmers with one easy and convenient tab

CLEAR BLUE WATER: This advanced formula sanitizes, clarifies, and kills algae for beautiful, clean, and clear water all season

SLOW DISSOLVING, LONG LASTING: Sun protected for longer chlorine life, HTH 3” Chlorine Tabs Advanced dissolve slowly and last up to one week

COMPATIBLE WITH ALL POOLS: This product is great for all pool types including vinyl-lined pools and saltwater systems; Use in floater, feeder, or skimmer basket

YOU'RE ALL CLEAR WITH HTH: For best results, use HTH 6-Way Test Strips twice weekly to test and balance your swimming pool water and keep chlorine levels between 1 and 4 ppm

Read more Read less

HTH 67058 Swimming Pool Care pH Up, Raises pH, Swimming Pool Chemical, 4 Lbs

Swimming Pool Balancers

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BENEFITS: Increase and balance the pH levels in your swimming pool water for beautiful clarity, improved chlorine efficiency and overall healthy swimming

PREVENTS STAIN & SCALE: Balanced pH levels help prevent corrosion of pool surfaces

IMPROVES SWIMMER COMFORT: Properly balanced pH levels help prevent eye and skin irritation

SWIM IMMEDIATELY: Once pH is property balanced, swimmers can jump right back in the water; Compatible with all swimming pools

YOU'RE ALL CLEAR WITH HTH: For best results, use HTH 6-Way Test Strips weekly to test, balance and maintain pH levels between 7.2 and 7.8 ppm; Features a resealable pouch for easy storage

HTH 67067 Swimming Pool Care Clarifier Advanced - Crystal Clear Water in 24 Hours

Pool Clarifiers

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BENEFITS: Clears up dull, cloudy or hazy pool water so you can relax in crystal clear water all summer long

USE: Apply directly to pool water or skimmer; Use 4-12 hours after HTH Shock! and HTH Algaecide products for best results

COMPATIBILITY: Great for all pool types including all pool surfaces and saltwater systems

FEATURES: Does not affect pool's pH levels; Improves filter efficiency to remove dead algae and organic debris; Fast-acting, concentrated formula

INCLUDES: One 1-qt container of super clarifier for your swimming pool water

HTH 67060 Swimming Pool Care Alkalinity Up, Raises Alkalinity, Swimming Pool Chemical Stabilizes pH Fluctuation, 5 Lbs

Swimming Pool Balancers

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BENEFITS: Raise the total alkalinity level to ensure healthy swimming pool water and happy swimmers

COMPATIBILITY: Pool care chemical works with all swimming pools

RAISES ALKALINITY LEVELS: Keeps total alkalinity and pH levels in range in swimming pool water

PREVENTS SURFACE DAMAGE: Helps prolong the life of pool surfaces and equipment (pumps, filters and heaters)

YOU'RE ALL CLEAR WITH HTH: For best results, use HTH 6-Way Test Strips weekly to test, balance and maintain alkalinity levels between 60 and 120 ppm

HTH 67212 Swimming Pool Care Clarifier Advanced - Crystal Clear Water in 24 Hours; Restores Clarity & Sparkle to Dull, Hazy or Cloudy Pool Water, Improves Filter Efficiency, Fast Acting

Swimming Pool Balancers

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BENEFITS: Clears up dull, cloudy or hazy pool water so you can relax in crystal clear water all summer long

USE: Apply directly to pool water or skimmer; Use 4-12 hours after HTH Shock! and HTH Algaecide products for best results

COMPATIBILITY: Great for all pool types including all pool surfaces and saltwater systems

FEATURES: Does not affect pool's pH levels; Improves filter efficiency to remove dead algae and organic debris; Fast-acting, concentrated formula

INCLUDES: One 1-qt container of super clarifier for your swimming pool water

HTH FAQs

Is HTH Legit?

Yes, HTH is a legitmate brand on Amazon. After conducting a comprehensive analysis of 57,095 customer reviews for HTH products on Amazon, we have determined its average rating. With a strong performance and good quality, HTH has received an average rating of 4.7 from numerous buyers, indicating that HTH are trustworthy and live up to their claims. Therefore, it is safe to make purchases from HTH 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.

How to find more HTH products?

If you're interested in HTH and want to find more HTH products, you can follow the steps below:

Go back to FindThisBest's homepage.
Type HTH in the search box and hit Enter to see the search results.
Find and click the correct HTH to go to the new page.
Select the products you want in the HTH buying guide, and take a glance at the prices and features of the products.
View the products interest you on Amazon to read the customer reviews and check the ratings. Besides, you can hit the "brand" to find more HTH products.

How does findthisbest choose the top HTH products?

We analyze millions of HTH products reviews and customer reviews to recommend the best picks for most consumers. We have a professional team with decades of experience to test the products, which can help ensure that we provide our readers with accurate advice and best recommendations.

How can I purchase HTH products via FindThisBest?

Go to the HTH page.
Select the product you want in the HTH buying guide, and then view the product on Amazon. For example, if you are interested in the top 1 product HTH 52037R Pool Care Shock Advanced, Swimming Pool..., you can view it on Amazon page.
Place your order on Amazon.

Who are the manufacturers of the HTH products?

Most of the HTH products are produced by Innovative Water Care and HTH Store. The manufacturers provide HTH 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 HTH products, helping you make more informed buying decisions. We recommend best choices of the products from the HTH brand, helping you make better shopping choices with less time and energy.

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