Zappit 73% Super Strength Pro Pool Shock 50 LB Bucket, 70% Available Chlorine

Item No. 222353 | Manufacturer SKU: W8000560
Item No. 222353 | Manufacturer SKU: W8000560
Zappit 73 Super Strength Pro Pool Shock 50 LB Bucket 70 Available Chlorine
$314.99 Price reduced from $349.99 to

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Zappit Super Strength Cal-Hypo Pool Shock 50 LB Bucket gives you a quick and effective way to shock your pool and keep it sparkling clean. More Details

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Zappit Super Strength Cal-Hypo Pool Shock 50 LB Bucket gives you a quick and effective way to shock your pool and keep it sparkling clean.
  • Pool Shock and Super Chlorinator
  • Fast dissolving granular formula
  • 73% Cal-Hypo (Calcium Hypochlorite)
  • 70% available chlorine
  • Kills 99.9% of bacteria or algae
  • Prevents future growth of algae
  • Non-Stabilized Calcium Hypochlorite

Cal-Hypo Zappit Super Strength Pro Pool Shock 50 LB Bucket is a calcium based chlorinated granular shock. It is 73% Cal-Hypo and 70% Available Chlorine. That makes this the strongest granular shock you can buy. It quickly dissolves in your swimming pool to kill bacteria, algae, and other harmful contaminants. Maintaining proper chlorine is essential to keep your pool safe for swimming.

Cal-Hypo can be used as a maintenance product or treatment product. Pools that are prone to algae, debris, sunlight, and swimmers may require more frequent doses.

Usage Directions:

Routine Chlorination

Add 16 ounces of Cal-Hypo per 16,500 gallons of water directly to the pool, casting it around the perimeter as often as needed to maintain the desired free chlorine residual.

Common Questions:

What makes this the most powerful shock?
  • The product is 70% available chlorine, which is the highest concentration of chlorine in a granular product you can get.
Can my water get cloudy after adding?
  • Yes, This is a calcium based chlorinated shock. While quick dissolving the calcium still takes time to be accepted into solution.
How should I add this to my pool?
  • Broadcasting it across the surface or walking around the perimeter evenly distributing the granular around the pool.

Product Type: Pool Chemical
Chemical Type: Shock
Active Ingrediant: Calcium Hypochlorite
Chemical Size: Granular
Container Size: 50 lb
Pool Surface: All Surfaces
Sanitation Type: Granular Chlorine
Product Dimensions: 12.8" Width x 18.8" Length x 12.8" Height
Product Weight: 50 lbs.


* Freight charges may apply on oversized products. Shipping charges may apply on select products such as sand, salt, and D.E. Discounts do not apply toward shipping, handling and freight fees, taxes, the purchase of select items, or previous orders. Prices are subject to change without notice.