10 Best Calcium Hypochlorite Pool Shock Power Powder Plus 73 of 2025

Main Highlights

• 
  Solves 90% of pool water problems in as little as 24 hours*
• 
  Kills bacteria, controls algae, and destroys organic contaminants
• 
  Concentrated chlorinating granular Cal-Hypo pool shock
• 
  Fast dissolving
• 
  Low Residue

Main Highlights

• 
  Solves 90% of pool water problems in as little as 24 hours*
• 
  Kills bacteria, controls algae, and destroys organic contaminants
• 
  Concentrated chlorinating granular Cal-Hypo pool shock
• 
  Fast dissolving
• 
  Low Residue

Main Highlights

• 
  73% Calcium Hypochlorite with 70% available chlorine kills bacteria, algae, and contaminants.
• 
  Quick action with minimal residue, wont significantly raise calcium hardness.
• 
  Ideal for super chlorination and routine maintenance, tackles tough algae blooms.
• 
  No cyanuric acid, wont raise stabilizer levels, perfect for evening use.
• 
  Use 9-18 oz. per 10,000 gallons for 5-10 ppm available chlorine.

Main Highlights

• 
  73% Calcium Hypochlorite with 70% available chlorine kills bacteria, algae, and contaminants.
• 
  Quick action with minimal residue, wont significantly raise calcium hardness.
• 
  Ideal for super chlorination and routine maintenance, tackles tough algae blooms.
• 
  No cyanuric acid, wont raise stabilizer levels, perfect for evening use.
• 
  Use 9-18 oz. per 10,000 gallons for 5-10 ppm available chlorine.

Main Highlights

• 
  Contains 73% Calcium Hypochlorite and 70% available chlorine, the strongest pool shock available.
• 
  Kills bacteria, controls algae, and destroys organic/inorganic contaminants.
• 
  Fast-dissolving, low-residue, suitable for treating problems and routine maintenance.
• 
  Non-stabilized, no Cyanuric Acid (CyA), ensures clear, sanitized pool water.
• 
  Ideal for super chlorination, dosage: 9-18 oz. per 10,000 gallons for 5-10 ppm chlorine.

Main Highlights

Main Highlights

• 
  POOL SHARK 68% Calcium Hypochlorite Pool Shock delivers powerful pool shock treatment to quickly eliminate algae, bacteria, and contaminants. Restores crystal-clear water for swimming pool shock maintenance in inground and above ground pools.
• 
  Made with premium calcium hypochlorite granular chlorine, this fast-dissolving formula increases chlorine levels instantly. Ideal for chlorine shock for swimming pools, helping maintain safe, clean, and balanced pool water.
• 
  Strong pool chemicals and algaecide solution that fights green, yellow, and black algae. Works as a powerful pool oxidizer and algae killer, improving filtration and restoring clear water fast.
• 
  Non-stabilized cal hypo pool shock prevents cyanuric acid buildup and chlorine lock. Ensures long-lasting sanitization compared to standard chlorine for pool and pool chlorine granules products.
• 
  Perfect for inground & above ground pool shock, saltwater pool , spas, and hot tubs. Effective for routine maintenance, opening pools, and heavy algae treatment after rain or high usage.

Main Highlights

• 
  Solves 90% of pool water problems in as little as 24 hours*
• 
  Kills bacteria, controls algae, and destroys organic contaminants
• 
  Concentrated chlorinating granular Cal-Hypo pool shock
• 
  Fast dissolving
• 
  70% Calcium Hypochlorite

Main Highlights

• 
  One bag of this product per 10,000 gallons of water
• 
  Adjust and maintain pH at 7.2-7.6
• 
  Maintain total alkalinity in the range of 60 to 120
• 
  One bag of this product per 10,000 gallons of water provides 5 to 10 ppm available chlorine
• 
  68% Calcium Hypochlorite

Main Highlights

• 
  6 in 1 Formula: Kills bacteria and algae to maintain a clear swimming pool. Our algae-fighting formula prevents algae for crystal-clear water. Destroys contaminants to aid filter performance and clear dull, cloudy water
• 
  Swim-ready in 15 minutes: Fast dissolving formula works quickly so you can treat and swim in just 15 minutes.
• 
  Compatibility: This product is safe for all swimming pool surfaces, including vinyl, plaster, fiberglass, and tile.
• 
  Usage: Use 1 lb. per 12,000 gallon of water. Shock pool weekly and after heavy use, high temperatures, or rain.
• 
  Clorox Pool App: Test like an expert anytime, anywhere with the Clorox Pool App. Solve common pool problems and get personalized product and dosage recommendations.
• 
  Packaging may vary