SKU: 43293051877

First Choice Cal-Shock - Calcium Hypochlorite, 1 lb Bag

$13.09 $14.54
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  • USA
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Ships within 48 hours · Estimated delivery Jun 12 - Jun 17

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For Your Every Summer RSVP, with Code: SUMMER15

Description

First Choice Cal-Shock - Calcium Hypochlorite, 1 lb BagExcellent formulation for super chlorination shock treatments. Quick dissolving, 68% Calcium Hypochlorite kills algae, bacteria and destroys organic contaminants. Note: For every 10 ppm Free Chlorinne (FC) added by this Cal Hypo product, it also increases Calcium Hardness (CH) by 8 ppm.

First Choice Cal-Shock - Calcium Hypochlorite, 1 lb Bag
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 43293051877

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4.5 ★★★★★
Based on 1621 reviews
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Product Reviews
E
Verified Purchase
Electrical issues regarding installation and not compatible with the light
Waukegan, US
★★★★★ 5
Fits!
Color: Premium-CF9846A
Perfect fit
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 21, 2025
R
Verified Purchase
ram
Whiting, US
★★★★★ 5
Fits FJ...like that it has a border...
Color: Premium-CF9846A
No smell,has border,will buy again when needed.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 30, 2024
M
Verified Purchase
Mike
Port Orchard, US
★★★★★ 3
Didn't work for me
Color: Premium-CF9846A
I could not use this. After buying it I found out I had to cut some parts to replace it and decided to return it instead.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 21, 2025
W
Verified Purchase
William
Waukegan, US
★★★★★ 5
Fit
Size: 8.8" x 9.3" x 1.1"
Product looks and works well
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 7, 2026
C
Verified Purchase
Chris G
Massapequa, US
★★★★★ 5
Easy installation
Size: 8.8" x 9.3" x 1.1"
It fit my 2011 Honda accord coupe 👍🏼
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 15, 2026

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