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

Features: increases chlorine levels; kills and prevents bacteria and algae; Keeps water clear; See results in 24 hours; 1 bag treats 13, 500 gallons; Won’t fade vinyl pool liners.

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. 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; Use weekly to solve 90% of pool problems within 24 hours and restore crystal clarity.

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. Compatibility: effective for all swimming pool types including pools with liners and Gunite pools, and saltwater pool 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. Benefit: shock treat, sanitize, all with this convenient, clarify, and help prevent bacteria and algae in your swimming pool water, easy-to-use product.

Features: increases chlorine levels; kills and prevents bacteria and algae; Reduces eye and skin irritation; Prevents stains from metals and scale; See results in 24 hours; 1 bag treats 13, 500 gallons; Won’t fade vinyl pool liners.

Visibly brilliant sparkle: this Cal Hypo based formula sanitizes without adding cyanuric acid CYA to prevent overstabilization or chlorine lock. Features: multi-functional shock treatment for weekly use; Use weekly to solve 90% of pool water problems within 24 hours.


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; Use weekly to solve 90% of pool problems within 24 hours and restore crystal clarity.
1. HTH
#ad
Swimming Pool Chemical Prevents Bacteria & Algae, 1 lb Pack of 12, Cal Hypo Formula, HTH Pool Care Shock Advanced
#adHTH #ad - 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.Benefits: stay all clear for cannonballs; This fast-dissolving, reduces chlorine odor and irritation, convenient 4-in-1 formula kills bacteria and algae, and quickly restores crystal clarity.
More information #ad
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.Brand | HTH #ad |
Manufacturer | Innovative Water Care #ad |
Height | 14.1 Inches |
Length | 10.6 Inches |
Width | 7.5 Inches |
Part Number | 52037 |
Model | 52037 |
More information #ad
2. HTH
#ad
HTH 52026 Super Shock Treatment Swimming Pool Chlorine Cleaner, 1 lb Pack of 12
#adHTH #ad - Includes: twelve 1-lb bags of shock treatment for your swimming pool. 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.Features: increases chlorine levels; kills and prevents bacteria and algae; Keeps water clear; See results in 24 hours; 1 bag treats 13, 500 gallons; Won’t fade vinyl pool liners.
More information #ad
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.Brand | HTH #ad |
Manufacturer | Innovative Water Care #ad |
Height | 10 Inches |
Length | 7 Inches |
Weight | 12 Pounds |
Width | 10.5 Inches |
Part Number | 52026 |
Model | 52026 |
More information #ad
3. HTH
#ad
1 lb Pack of 6, Cal Hypo Formula, Swimming Pool Chemical Prevents Bacteria & Algae, HTH Pool Care Shock Advanced
#adHTH #ad - Visibly brilliant sparkle: this Cal Hypo based formula sanitizes without adding cyanuric acid CYA to prevent overstabilization or chlorine lock. 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.Features: multi-functional shock treatment for weekly use to solve 90% of pool water problems within 24 hours and restore crystal clarity.
More information #ad
Compatible with all swimming pools: This product is great for all pool types including 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.Brand | HTH #ad |
Manufacturer | Innovative Water Care #ad |
Height | 10.5 Inches |
Length | 10.5 Inches |
Width | 4.5 Inches |
Part Number | 52036 |
Model | 52036 |
More information #ad
4. HTH
#ad
Cal Hypo Formula, HTH Pool Care Shock Ultra, Algae, Swimming Pool Chemical Prevents Bacteria, 1 lb, Stain & Scale
#adHTH #ad - Benefit: use this all-in-one powerhouse pool shock to increase chlorine levels, algae, reduce skin and eye irritation, and scale, improve filtration, prevent bacteria, stain, and soften your swimming pool water quickly and easily.Visibly brilliant sparkle: this Cal Hypo based formula sanitizes without adding cyanuric acid CYA to prevent overstabilization or chlorine lock. 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; Use weekly to solve 90% of pool problems within 24 hours and restore crystal clarity.
More information #ad
Visible blue action: This built-in feature lets you know the product is working. Compatible with all swimming pools: This product is great for all pool types including vinyl-lined pools and saltwater systems.Brand | HTH #ad |
Manufacturer | Innovative Water Care #ad |
Height | 11 Inches |
Length | 1 Inches |
Width | 4.5 Inches |
Part Number | 52039 |
Model | 52039 |
More information #ad
5. HTH
#ad
1 lb Pack of 15, HTH 52123 Super Shock Treatment Swimming Pool Chlorine Cleaner
#adHTH #ad - Use: apply directly to pool water as needed; Test pool water and shock weekly to keep free available chlorine levels between 1 and 4ppm.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. Compatibility: effective for all swimming pool types including pools with liners and Gunite pools, and saltwater pool systems.
More information #ad
Includes: 15 1-lb bags of shock treatment for your swimming pool. Features: increases chlorine levels; kills and prevents bacteria and algae; Keeps water clear; See results in 24 hours; 1 bag treats 13, 500 gallons; Won’t fade vinyl pool liners.Brand | HTH #ad |
Manufacturer | HTH #ad |
Height | 9.5 Inches |
Length | 4.13 Inches |
Weight | 1 Pounds |
Width | 20.5 Inches |
Part Number | 52123 |
Model | 52123 |
More information #ad
6. HTH
#ad
Cal Hypo Formula, Swimming Pool Chlorinator Boosts Chlorine Levels, HTH Pool Care Shock, 13.3 oz
#adHTH #ad - Visibly brilliant sparkle: this Cal Hypo based formula sanitizes without adding cyanuric acid CYA to prevent overstabilization or chlorine lock.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. Benefit: shock treat, sanitize, all with this convenient, clarify, and help prevent bacteria and algae in your swimming pool water, easy-to-use product.
More information #ad
Compatible with all swimming pools: This product is great for all pool types including vinyl-lined pools and saltwater systems. 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.Brand | HTH #ad |
Manufacturer | Innovative Water Care #ad |
Height | 11 Inches |
Length | 1 Inches |
Width | 4.5 Inches |
Part Number | 52031 |
Model | 52031 |
More information #ad
7. HTH
#ad
1 lb, HTH 52027 Ultimate Shock Treatment Swimming Pool Chlorine Cleaner
#adHTH #ad - 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.Features: increases chlorine levels; kills and prevents bacteria and algae; Reduces eye and skin irritation; Prevents stains from metals and scale; See results in 24 hours; 1 bag treats 13, 500 gallons; Won’t fade vinyl pool liners.
More information #ad
Includes: one 1-lb bag of shock treatment for your swimming pool. Compatibility: effective for all swimming pool types including pools with liners and Gunite pools, and saltwater pool systems. Use: apply directly to pool water as needed; Test pool water and shock weekly to keep free available chlorine levels between 1 and 4ppm.Brand | HTH #ad |
Manufacturer | Innovative Water Care #ad |
Height | 11 Inches |
Length | 0.75 Inches |
Width | 4.5 Inches |
Part Number | 52027 |
Model | 52027 |
More information #ad
8. HTH
#ad
HTH Pool Care Shock Advanced, 2 lbs, Swimming Pool Chemical Prevents Bacteria & Algae, Cal Hypo Formula
#adHTH #ad - Benefit: stay all clear for cannonballs; This fast-dissolving, reduces chlorine odor and irritation, convenient 4-in-1 formula kills bacteria and algae, and quickly restores crystal clarity.Visibly brilliant sparkle: this Cal Hypo based formula sanitizes without adding cyanuric acid CYA to prevent overstabilization or chlorine lock. Features: multi-functional shock treatment for weekly use; Use weekly to solve 90% of pool water problems within 24 hours.
More information #ad
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. Compatible with all swimming pools: This product is great for all pool types including vinyl-lined pools and saltwater systems.Brand | HTH #ad |
Manufacturer | Innovative Water Care #ad |
Height | 9.5 Inches |
Length | 3.13 Inches |
Weight | 2 Pounds |
Width | 3.13 Inches |
Part Number | 52042 |
Model | 52042 |
More information #ad
9. HTH
#ad
HTH 52017 Shock Treatment Swimming Pool Chlorine Cleaner, 13.3 oz, Regular
#adHTH #ad - Compatibility: effective for all swimming pool types including pools with liners and Gunite pools, and saltwater pool systems. Includes: one 13. 3-oz bag of shock treatment for your swimming pool.More information #ad
Features: fast acting; fast dissolving; 1 bag treats 10, 000 gallons; Won’t fade liners. Use: test pool water and shock weekly to keep free available chlorine levels between 1 and 4ppm. Benefits: increases the chlorine level in swimming pools to kill bacteria and algae.Brand | HTH #ad |
Manufacturer | Innovative Water Care #ad |
Height | 11 Inches |
Length | 0.75 Inches |
Weight | 0.83 Pounds |
Width | 4.5 Inches |
Part Number | 52017 |
Model | 52017 |
More information #ad
10. HTH
#ad
HTH Pool Care Shock Ultra, 1 lb Pack of 6, Cal Hypo Formula, Swimming Pool Chemical Prevents Bacteria, Stain & Scale, Algae
#adHTH #ad - Benefit: use this all-in-one powerhouse pool shock to increase chlorine levels, improve filtration, prevent bacteria, and scale, stain, algae, reduce skin and eye irritation, and soften your swimming pool water quickly and easily.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; Use weekly to solve 90% of pool problems within 24 hours and restore crystal clarity.
More information #ad
Visible blue action: This built-in feature lets you know the product is working. 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.Brand | HTH #ad |
Manufacturer | Innovative Water Care #ad |
Height | 10.5 Inches |
Length | 4.5 Inches |
Width | 10.5 Inches |
Part Number | 52040 |
Model | 52040 |
More information #ad