1 lb Ultra Shock - Cal Hypo by Family Leisure

Ultra Shock by Family Leisure
product #6974
List price: $5.99   You save 25%

Use This Granular Pool Supply to Quickly Shock Your Swimming Pool Water

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Pool Shock by Swim Clear

Description: 47.6% Calcium Hypochlorite 

Function: This Pool Shock Treatment / Pool Water Sanitizer will kill bacteria and control algae. It will restore crystal clarity to swimming pool water by destroying organic material. This pool supply is designed to dissolve quickly to provide an immediate source of sanitation to the pool.


  • Easy To Use
  • Individual 1 Lb. Bag (453g)
  • High-Quality Granular Calcium Hypochlorite (Cal Hypo)
  • Can Be Used As Pool Shock Or For Pool Water Maintenance

Dosage Instructions:

  • Add 8 Oz. Of This Product To Every 5,000 Gallons Of Pool Water Weekly

Application Method A:

  • Wait until night or when the pool is not in use
  • Use method A if the water temperature is below 65F, or if the pool has bleachable surfaces such as vinyl, painted plaster or concrete
  • Fill a clean plastic bucket or pail and fill with water
  • Stir the water with a clean spoon or rod
  • Pour the product into the pail or bucket; never add more than one pound for every three gallons of clean water
  • Once the product has dissolved in the pail or bucket, pour the solution around the edges of the swimming pool with the circulation pump running

Application Method B:

  • Wait until night or when the pool is not in use
  • Turn on the circulation pump
  • Place the container close to the water surface and broadcast this product over the water's surface in the deep end
  • Use a pool brush to move around any deposits that settle on the bottom of this pool
  • If you use this method, so not allow this product to just sit on a pool surface; be sure to circulate it and move it around


  • Test pH and adjust to 7.2 - 7.6 levels
  • If chlorine is the primary sanitizer, increase cyanuric acid levels to 30-50 ppm
  • Do not enter pool for swimming until free chlorine residual has dropped below 3.0 ppm
Family Leisure
Pool Chemicals:
  • Pool Chlorine

Application Details Below

Use Swimming Pools

Substitute Granular Chlorine

Other Name Calcium Chloride

Shelf Life No

Wait to Swim Below 3ppm

Maintenance As Needed

Start-Up 8 oz. / 5,000 gallons

Function Shock

Shipping 1 lb.

FedEx / ups Yes

Online Item Yes

In Store Item Call

How to Open Your Swimming Pool
Pool School with Mike the Pool Guy

Free Shipping

For online orders over $40 (before tax), shipping and handling is FREE. Orders that are under $40 will have a $5.99 shipping fee added. Most pool supplies ship via Fed Ex and delivery times within the Continental U.S range from 2-5 days. All orders received before noon will ship that SAME DAY.
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