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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.


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.

Compatibility: effective for all swimming pool types including pools with liners and Gunite pools, and saltwater pool systems.


Fast-acting calcium hypochlorite Cal-Chlor chlorine granules provide 68% available chlorine for hard-hitting immediate results! Clears cloudy water or dull water appearance.

Includes: one 1-lb bag of shock treatment for your swimming pool. 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.

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. Compatibility: effective for all swimming pool types including pools with liners and Gunite pools, and saltwater pool systems.

1. Clorox Pool&Spa
#ad
12 Pack, White, Clorox Pool&Spa 33512CLX Pool Shock XtraBlue 12 1-lb Bags
#adClorox Pool&Spa #ad - Multifunctional pool shock with algae-fighting crystals. Kills and prevents green, black and mustard pool algae. Kills bacteria. Power source Type: Manual. Creates crystal clear water. Improves filter performance.More information #ad
Brand | Clorox Pool&Spa #ad |
Manufacturer | Clorox® Pool&Spa™ #ad |
Height | 9.25 Inches |
Length | 5.38 Inches |
Weight | 12 Pounds |
Width | 11 Inches |
Part Number | 33512CLX |
Model | 33512CLX |
More information #ad
2. HTH
#ad
HTH Pool Care Shock Advanced, Cal Hypo Formula, 1 lb Pack of 12, Swimming Pool Chemical Prevents Bacteria & Algae
#adHTH #ad - 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.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.
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
3. Clorox Pool&Spa
#ad
Clorox Pool&Spa 33506CLX Pool Shock XtraBlue 6 1-lb Bags, 6 Pack, White
#adClorox Pool&Spa #ad - Improves filter performance. Swim-ready in 15 minutes. Reduces chlorine odor and eye irritation. Won't impact pH. Kills bacteria. Multi-functional pool shock with algae-fighting crystals. Kills and prevents green, black and mustard pool algae. Creates crystal clear water.More information #ad
Brand | Clorox Pool&Spa #ad |
Manufacturer | Clorox® Pool&Spa™ #ad |
Height | 9.25 Inches |
Length | 4.25 Inches |
Weight | 6 Pounds |
Width | 8.88 Inches |
Part Number | 33506CLX |
Model | 33506CLX |
More information #ad
4. HTH
#ad
HTH Pool Care Shock Advanced, Cal Hypo Formula, 1 lb Pack of 6, Swimming Pool Chemical Prevents Bacteria & Algae
#adHTH #ad - 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 to solve 90% of pool water problems within 24 hours and restore crystal clarity.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.
More information #ad
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. 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 | 10.5 Inches |
Width | 4.5 Inches |
Part Number | 52036 |
Model | 52036 |
More information #ad
5. HTH
#ad
1 lb Pack of 12, HTH 52026 Super Shock Treatment Swimming Pool Chlorine Cleaner
#adHTH #ad - Includes: twelve 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.Compatibility: effective for all swimming pool types including pools with liners and Gunite pools, and saltwater pool systems.
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. 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.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
6. DryTec
#ad
Dry Tec 1-1901-12 Treatment Pool Shock, 12-Pack
#adDryTec #ad - Fast-acting quick-Dissolving Swimming Pool Sanitizer. 12 bags 1-pound each. Recommended dosage: 1 pound per 10, 000 gallons of water. 68% calcium hypochlorite. Kills bacteria, controls algae, and destroys organic contaminants in pools.More information #ad
Brand | DryTec #ad |
Manufacturer | Dry Tec #ad |
Height | 7 Inches |
Length | 12 Inches |
Weight | 12 Pounds |
Width | 12 Inches |
Part Number | 1-1901--12 |
Model | 1-1901--12 |
More information #ad
7. In The Swim
#ad
50 Pounds, In The Swim Calcium Hypochlorite Chlorine Granular Pool Shock
#adIn The Swim #ad - Must pre-dissolve/dilute to prevent bleaching of the liner. Fast-acting calcium hypochlorite chlorine granules provide 65% minimum available chlorine for hard-hitting immediate results! Note: this item cannot be shipped to Alaska or Hawaii item will be removed from your order.Fast-acting calcium hypochlorite Cal-Chlor chlorine granules provide 68% available chlorine for hard-hitting immediate results! Clears cloudy water or dull water appearance.
More information #ad
Non-stabilized formula is ideal for super shocking or everyday use, contains no cyanuric acid. Cal-chlor granules can be used in swimming pools, spas and hot tubs.Brand | In The Swim #ad |
Manufacturer | In The Swim #ad |
Height | 13 Inches |
Length | 21 Inches |
Weight | 50 Pounds |
Width | 13 Inches |
Part Number | 25230 |
Model | 25230 |
More information #ad
8. 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.Includes: one 1-lb bag of shock treatment for your swimming pool. 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.
More information #ad
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.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
9. HTH
#ad
1 lb Pack of 15, HTH 52123 Super 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; Keeps water clear; See results in 24 hours; 1 bag treats 13, 500 gallons; Won’t fade vinyl pool liners. Compatibility: effective for all swimming pool types including pools with liners and Gunite pools, and saltwater pool systems.
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. Includes: 15 1-lb bags of shock treatment for your swimming pool.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
10. In The Swim
#ad
24 X 1 Pound Bags, In The Swim Chlorine Pool Shock
#adIn The Swim #ad - Dosage: 1 pound per 10, 000 gallons. This product can only be shipped within the 48 contiguous states. Special shipping information: this product may not be available for 1 or 2 day shipping due to federal regulations that require it to ship via ground ship methods only.More information #ad
Main active ingredient is 68% Calcium Hypochlorite Cal-Hypo for quick sanitizing. Powerful chlorine shock treatment that is great for regular maintenance. Quickly eliminates algae, bacteria, and other harmful contaminants from your pool water.Brand | In The Swim #ad |
Manufacturer | Pool Solutions #ad |
Height | 10.4 Inches |
Length | 11.3 Inches |
Weight | 27 Pounds |
Width | 11.3 Inches |
Part Number | 25266 2X12X1 |
Model | 25266 2X12X1 |
More information #ad