Swimmer's Choice Swimming Pool Dichlor Granular Shock

by Swimmer's Choice
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ITEM# 17136397
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ITEM#: 17136397

Swimmer's Choice Granular Shock is a super-concentrated, residue-free and fast-dissolving granular dichlor chlorine. Effective and easy to use, Swimmer's Choice Granular Sanitizer will kill algae and rid your pool of unsightly algae spots. Ideal for use in vinyl lined, fiberglass or colored plaster surface pools. This product is calcium-free, so there's no need to worry about clouding. Great for use in spas, hot tubs and swimming pools, but cannot be used in a chlorinator. Active ingredient 99-percent sodium dichloroisocyanurate dihydrate provides 56-percent available stabilized chlorine.

  • Quick dissolving formula requires no pre-mixing
  • Kills algae and unsightly spots from your pool
  • Produces sparkling water
  • Brand: Swimmer's Choice
  • Model: 51001A
  • Size: 1-pound bag
  • Options: 5, 10, or 20 bags
  • Materials: 99-percent sodium dichloroisocyanurate dihydrate
  • Dimensions: By size option
  • Weight: By size option


Dimensions See Details
Model Number 51001A
Country of Origin United States
  • Most Recent

  • Best for the money
    Verified Purchase

    This shock worked well in our above ground saltwater pool. It kept the water crystal clear

    Read More
  • owner
    Verified Purchase

    does what it is supposed to do

    Read More

Questions & Answers

  • Q:

    "Why did you choose this product?"

    • A:

      going to rotate shock ingredients weekly

Shipping & Returns

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Shipping Information:

Our standard shipping method is ground shipping. We also offer expedited shipping for most items. Your final shipping cost and estimated delivery timeframe will be available at checkout.
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Standard Return Policy:

Items must be returned in new or unused condition and contain all original materials included with the shipment. For the return policy on a Marketplace item, please refer to the Seller’s individual policy, located on the product page by clicking on the Seller name. More Details

FINAL SALE EXCLUSION: Items marked as FINAL SALE are not returnable unless the problem you experience is the result of our error.


This item cannot be shipped to Alaska or Hawaii. More details

For your protection, all orders are screened for security purposes. If your order is selected for review, our Loss Prevention Team may contact you by phone or email. There may be a two business day delay to process your order.

** Most Oversize orders are delivered within 1-4 weeks. Some orders may take 6 weeks to be delivered.