Our Top Choice
Clorox Pool&Spa Shock Plus
For years, Clorox Pool&Spa has been creating testing and treatment products for swimming pools you can spend more time safely enjoying them.
Easy to use. Clears cloudy water, creating a sparkling pool. Works fast and for salt water pools too. 1 pound bottle treats 10,000 gallons of water.
Does not work in all types of pools.
Algae killing; improves filtration
6 or 12-pounds
Aqua Chem Xtra Blue Shock
Aqua Chem is known for manufacturing and distributing superior performance and reliable swimming pool products.
Effective on all pool types. Will not bleach pool lines. Potent, and it improves filtration. 1 pound treats 12,000 gallons of water. 6-in-1 treatment. Keeps water pH neutral.
Quite pricey for the value you get in return.
Kills bacteria and algae
5lbs; 1, 5, 10, 20, 30 or 36 pack
Doheny's Chlorine Free Oxidizing Shock
For 50 years, Doheny’s has been manufacturing innovative and efficient pool products and accessories for both household and commercial use.
Free of chlorine. Works great on all pool surfaces. Clears your pool in just 15 minutes. Makes pools sparkly and clean.
Needs more than the recommended dosage to be effective.
Oxidation; reduces chlorine level
6, 12, 24, 25 or 50 pounds
DryTec Calcium Hypochlorite Shock
For years, DryTec has been manufacturing superior performance chemicals that are used to treat and maintain swimming pools.
Works fast. Made with potent ingredients. Cleans and clears your pool. Available in different pack sizes. Can be used for start-up or maintenance.
Requires too much work to store.
Chlorine boost; start-up shock
1lb; 1, 12 or 24 pack
HTH 6-in-1 Ultra Shock Treatment
HTH is a global manufacturer and supplier of chemicals for water treatment used in spas, swimming pools, and even drinking water.
Quick to dissolve which means fast action. Eliminates contaminants from your pool and restores clarity. Also works with salt water pools. 6-in-1 treatment.
Does not work with hot tubs.
Water softening; scale protection
1 pound pouch