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Do not swim for 8 to 10 hours after application. Add this powder to a bucket of water before you add it to your pool. Due to its high percentage of chlorine, water hardness, yielding 65% available chlorine making this similar to Mega Shock, but slightly less concentrated.
Works best at night - for the best results use super shock at night in order to prevent the sun from eating up the shock since it is not stabilized; it’s best to shock when the sun isn’t out for maximum performance. Rx clear strives to provide quality products for a safer, Rx Clear does it all giving you crystal clear water that fits your needs. Pool chlorine shock - maintain your swimming pool or spa with reliable pool chemicals and treatment supplies that you can depend on from Rx Clear.


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



Add a 1 lb bag per 10, 000 gallons of pool water for smart maintenance. Trust rx clear to supply reliable chemicals, and equipment for your above or in ground pool, supplies, spa or hot tub.
Works best at night - maximize performance by adding this shock to your pool at night. Mix before you fix - add this granular powder to a bucket of water before you begin dissolving it in your pool. Wait to swim 8 to 10 hours after you start the application. Multi-purpose - this swimming pool shock works as a strong sanitizer, clarifier, and algicide for clear blue water.

1. DryTec
#ad
1-Pound, DryTec 1-1901-24 Calcium Hypochlorite Chlorine Shock Treatment for Swimming Pools, 24-Pack
#adDryTec #ad - Fast-acting quick-Dissolving Swimming Pool Sanitizer. Recommended dosage: 1 pound per 10, 000 gallons of water. 24 bags 1-pound each. 68% calcium hypochlorite. Kills bacteria, controls algae, and destroys organic contaminants in pools.More information #ad
Brand | DryTec #ad |
Manufacturer | Robelle Industries #ad |
Height | 6 Inches |
Length | 24 Inches |
Weight | 24 Pounds |
Width | 12 Inches |
Part Number | 1-1901--24 |
Model | 1-1901--24 |
More information #ad
2. Zapp It
#ad
Calcium Hypochlorite Super Shock 50lb, Zappit 73% Cal Hypo Pool Shock
#adZapp It #ad - 1 lb will provide 2ppm of available chlorine in 40, 000 gallon pool. Signature required at time of delivery. Available in 50lb buckets- 100lb option arrives as two 50lb buckets for no extra charge!70% available chlorine, Pool Shock and Super Chlorinator. Fast dissolving granular formula.More information #ad
Brand | Zapp It #ad |
Height | 12.8 Inches |
Length | 18.8 Inches |
Weight | 50 Pounds |
Width | 12.8 Inches |
Part Number | 8000560 |
Model | 8000560 |
More information #ad
3. DryTec
#ad
24-Pack, DryTec 23224-24 Extra Treatment Pool Shock
#adDryTec #ad - Chlorine pool shock, 73% calcium hypochlorite. Super chlorinates pool water. Prevents algae growth. Clarifies pool water.More information #ad
Brand | DryTec #ad |
Manufacturer | Dry Tec #ad |
Height | 10 Inches |
Length | 12 Inches |
Weight | 24 Pounds |
Width | 14 Inches |
Part Number | 23224-24 |
Model | 23224-24 |
More information #ad
4. Rx Clear
#ad
Rx Clear Super Shock for Swimming Pools | Chlorinator and Algaecide | 68% Calcium Hypochlorite Shock | Kill Pool Algae for a Crystal Clear Pool | One Pound Bags | 12 Pack
#adRx Clear #ad - The rx clear brand is the premier choice for a trusted cleaning product to keep your pool in its best shape. Pool shock with algaecide - kill the algae in your swimming pool by adding 3 bags of shock per 10, cleaner, and more enjoyable swimming experience. This shock will raise your free chlorine levels, Super Shock is very effective and efficient for a quick chlorine boost.Do not swim for 8 to 10 hours after application. Add this powder to a bucket of water before you add it to your pool. Due to its high percentage of chlorine, water hardness, yielding 65% available chlorine making this similar to Mega Shock, but slightly less concentrated.
More information #ad
Mix before you fix - it is best to dilute super shock in a bucket of water before dispensing it around the pool which can prevent liner staining and cloudy water. Add a 1 lbs bag per 10, 000 gallons of pool water. When it comes to correcting your swimming pool, 000 gallons of pool water. Pool shock treatment - rx clear’s super shock contains 68% calcium hypochlorite, and ph levels giving you crystal clear water for a more enjoyable swimming experience. Works best at night - for the best results use super shock at night in order to prevent the sun from eating up the shock since it is not stabilized; it’s best to shock when the sun isn’t out for maximum performance. Rx clear strives to provide quality products for a safer, Rx Clear does it all giving you crystal clear water that fits your needs. Pool chlorine shock - maintain your swimming pool or spa with reliable pool chemicals and treatment supplies that you can depend on from Rx Clear.
Brand | Rx Clear #ad |
Manufacturer | Rx Clear #ad |
Part Number | NaN |
More information #ad
5. In The Swim
#ad
25 pounds, In The Swim Calcium Hypochlorite Chlorine Granular Pool Shock
#adIn The Swim #ad - Must pre-dissolve/dilute to prevent bleaching of vinyl liner surfaces. Main active ingredient is 68% Calcium Hypochlorite Cal-Hypo for quick sanitizing.More information #ad
Powerful chlorine shock treatment that is great for regular maintenance. Note: a valid phone number is required to ship this item, you must be present to sign for delivery. Dosage: 1 pound per 10, 000 gallons.Brand | In The Swim #ad |
Manufacturer | In The Swim Discount Pool Supplies #ad |
Height | 12.2 Inches |
Length | 13.2 Inches |
Weight | 25 Pounds |
Width | 13 Inches |
Part Number | 25237 |
Model | 25237 |
More information #ad
6. 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. 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.
More information #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.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
7. In The Swim
#ad
24 X 1 Pound Bags, In The Swim Chlorine Pool Shock
#adIn The Swim #ad - Powerful chlorine shock treatment that is great for regular maintenance. Main active ingredient is 68% Calcium Hypochlorite Cal-Hypo for quick sanitizing. Quickly eliminates algae, bacteria, and other harmful contaminants from your pool water.More information #ad
This product can only be shipped within the 48 contiguous states. Dosage: 1 pound per 10, 000 gallons. 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.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
8. HTH
#ad
5 lbs, HTH 42042 Super 3" Tablets Swimming Pool Chlorine
#adHTH #ad - Compatibility: Vinyl-lined pools and saltwater systems. Includes: one 5-lb container of Super Chlorinating Tablets for swimming pools. Benefits: sanitizes and protects your pool water so you can enjoy swimming in clean and clear water all season long.More information #ad
Use: place a tab in pool skimmer, or feeder for simple, floater, DIY pool care; 1 tablet treats 10, 000 gallons of water for up to a week. Features: kills bacteria and algae; Chlorinates for up to 1 week; Clarifies water; Sun protected for longer chlorine life.Brand | HTH #ad |
Manufacturer | Innovative Water Care #ad |
Height | 6.5 Inches |
Length | 8.25 Inches |
Width | 9.85 Inches |
Part Number | 42042 |
Model | 42042 |
More information #ad
9. Rx Clear
#ad
Rx Clear Mega Shock | 73% Calcium Hypochlorite | Kills Algae in Swimming Pools | Works As Pool Sanitizer Clarifier and Algicide | One Pound Bags | 12 Pack
#adRx Clear #ad - The rx clear Mega shock packets are chlorinating essentials. These granules work as an algaecide if your pool needs cleaning, or if you're opening for the season. Extra power - due to its high percentage of chlorine, Mega Shock is a very effective treatment for a quick chlorine boost.Add a 1 lb bag per 10, 000 gallons of pool water for smart maintenance. Trust rx clear to supply reliable chemicals, and equipment for your above or in ground pool, supplies, spa or hot tub.
More information #ad
Beat the green - keep in your swimming pool algae free by adding 2 bags 2 lbs of shock per 14, 000 gallons of pool water. Works best at night - maximize performance by adding this shock to your pool at night. Mix before you fix - add this granular powder to a bucket of water before you begin dissolving it in your pool. Wait to swim 8 to 10 hours after you start the application. Multi-purpose - this swimming pool shock works as a strong sanitizer, clarifier, and algicide for clear blue water.
Brand | Rx Clear #ad |
Manufacturer | Rx Clear #ad |
Part Number | 20406312 |
More information #ad
10. Ultima
#ad
Ultima 40542 T.K.O. Chlorinating Shock Treatment for Swimming Pools, 1-Pound
#adUltima #ad - Premium super-fast acting chlorine boost takes cloudy water and turns it clear. Item weight: 1. 0 lbs. 73% calcium Hypochlorite. Brand: Ultima.More information #ad
Brand | Ultima #ad |
Manufacturer | Robelle Industries #ad |
Height | 2 Inches |
Length | 12 Inches |
Weight | 14 Pounds |
Width | 3 Inches |
Part Number | 40542 |
Model | 40542 |
More information #ad