Best Hth in 2026

BENEFITS: Increases the chlorine level in swimming pools to kill bacteria and algae to keep your pool water clear and ready for fun all season long

USE: Apply directly to pool water as needed; Test pool water and shock weekly to keep free available chlorine levels between 1 and 4ppm

COMPATIBILITY: Effective for all swimming pool types including pools with liners and Gunite pools, and saltwater pool systems

BENEFITS: Sanitizes and protects your pool water so you can enjoy swimming in clean and clear water all season long

USE: Place a tab in pool skimmer, floater, or feeder for simple, DIY pool care; 1 tablet treats 10,000 gallons of water for up to a week

COMPATIBILITY: Vinyl-lined pools and saltwater systems

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

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

BENEFITS: Increases the chlorine level in swimming pools to kill bacteria and algae

USE: Test pool water and shock weekly to keep free available chlorine levels between 1 and 4ppm

COMPATIBILITY: Effective for all swimming pool types including pools with liners and Gunite pools, and saltwater pool systems

BENEFITS: Increases the chlorine level in swimming pools to kill bacteria and algae to keep your pool water clear and ready for fun all season long

USE: Apply directly to pool water as needed; Test pool water and shock weekly to keep free available chlorine levels between 1 and 4ppm

COMPATIBILITY: Effective for all swimming pool types including pools with liners and Gunite pools, and saltwater pool systems

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

BENEFITS: Ensures that your swimming pool has a balanced pH so you can enjoy splashing in the water all season long in healthy water

USE: Apply directly to the pool regularly for easy DIY pool care; For best results, use with other HTH pool care products

COMPATIBILITY: Great for vinyl-lined pools and saltwater systems

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

BENEFIT: Relax into worry-free, no foaming soft water with this easy-to-use product

CONDITIONS SPA WATER: Efficiently removes foam from spas and hot tubs; Ensures a soothing experience

SOFTENTS WATER WITH VITAMIN E: HTH Spa Defoamer is formulated to provide a more soothing experience

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

BENEFITS: Tests chlorine, bromine, pH, alkalinity, calcium hardness and CYA in your swimming pool

USE: Test weekly so you can keep your pool water clean all season long

COMPATIBILITY: All pool types including chlorine, bromine and saltwater systems

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

BENEFITS: Ensures that your swimming pool has a balanced pH so you can enjoy splashing in the water all season long in healthy water

USE: Apply directly to the pool regularly for easy DIY pool care; For best results, use with other HTH pool care products

COMPATIBILITY: Great for vinyl-lined pools and saltwater systems

BENEFITS: Ensures that your swimming pool has a balanced calcium hardness so you can enjoy splashing in the water all season long in healthy water

USE: Apply to pool following instructions for easy DIY pool care; For best results, use with other HTH pool care products

COMPATIBILITY: Great for vinyl-lined pools and saltwater systems

BENEFITS: Ensures that your swimming pool has a balanced Alkalinity so you can enjoy splashing in the water all season long in healthy water

USE: Apply directly to the pool regularly for easy DIY pool care; For best results, use with other HTH pool care products

COMPATIBILITY: Great for vinyl-lined pools and saltwater systems

BENEFITS: Disinfects and sanitizes water

USE: Apply to water through a floating brominator or other feeder

COMPATIBILITY: Fits all floaters; Made for use with bromine sanitizing systems

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

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

BENEFITS: Kills all types of algae and prevents future algae blooms in your swimming pool for up to 3 months so you can get back to enjoying your summertime fun

USE: Apply directly to the pool regularly for easy DIY pool care; For best results, use with other HTH pool care products

COMPATIBILITY: Great for a variety of swimming pool types, including saltwater systems

BENEFITS: Kills green algae and prevents future algae blooms in your swimming pool so you can get back to enjoying your summertime fun

USE: Apply add the product directly to the pool with the pump running; Use regularly for maximum effectiveness

COMPATIBILITY: Great for vinyl-lined pools and saltwater systems

BENEFITS: Sanitize, clarify, and soften the water in your swimming pool so it is always ready for fun

USE: Apply directly to pool water, broadcasting it evenly over a wide area in the deepest part of the pool; Add granules while filter pump is running during the evening; Use clean, dry scoop only used for this product

COMPATIBILITY: Chlorine and saltwater systems

BENEFIT: Sanitizer, clarifier, and algaecide to protect your swimming pool and swimmers with one easy, convenient, and individually wrapped 3-inch tablet

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” Individually Wrapped Chlorine Tabs Advanced dissolve slowly and last up to one week

HTH super shock treatment, 1 lb.

It is convenient, easy to use, and won't over-stabilize your pool

4-In-1. Kills bacteria & algae. Won't fade liner when used as directed. Crystal clear results in 24 hours. Reduces eye irritation caused by pool water. Compatible with salt systems

Product 1: BENEFITS: Takes dull and cloudy pool water and quickly turns it to a crystal-clear swimming pool that you can enjoy all season long

Product 1: USE

Product 1: COMPATIBILITY

★ Classic Onet game

★ 2 Theme: Animal - Fruit

★ Hint Feature

QUICK AND EASY USE: Tests and adjusts the 6 key chemicals in your swimming pool whenever you need; Uses Google Cloud Vision technology for accurate results, fast

INCLUDES: 30 strips for testing total chlorine, bromine, pH, total alkalinity, total hardness and cyanuric acid (CYA) levels

COMPATIBILITY: This pool care chemical works with all swimming pools

Hth shock treatment, 6 count 1 lb

It is convenient, easy to use, and won't over-stabilize your pool

Kills bacteria & algae. Compatible with salt systems

BENEFIT: Rely on this convenient and easy-to-use sanitizer to control algae, kill bacteria, and destroy contaminants so you can get the most out of your spa

IDEAL USE: For sanitizing and shock treating spas and hot tubs; Destroys algae and bacteria; Fast acting and easy to use

CREATES MORE COMFORTABLE WATER: Protects water against chlorine loss for more comfortable water with no sediment

BENEFITS: Sanitize, clarify, and soften the water in your swimming pool so it is always ready for fun

USE: Apply directly to pool water, broadcasting it evenly over a wide area in the deepest part of the pool. Add granules while filter pump is running during the evening. Use clean, dry scoop only used for this product.

COMPATIBILITY: Chlorine and saltwater systems