Best in 7 days
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Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Jun 17 - Jun 22
Promo Codes Available:
For Your Every Summer RSVP, with Code: SUMMER15
Description
PacifiClear Cal-Shock 5 Lb. GranuleGranular form of chlorine used to chlorinate, sanitize, and disinfect swimming pools. Contains 65% available chlorine. Convenient, easy to use, and fast dissolving. Chlorine is released when the product is dissolved in water and works continually to prevent growth of algae and bacteria. Used for shocking or super chlorinating pool water to destroy organic contaminants and clear up hazy water. Can also be used as a sanitizer and disinfectant for:
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- 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
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Best in 7 days
Best in 7 days
Best in 7 days
Best in 7 days
4.7 ★★★★★
Based on 1329 reviews
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Product Reviews
★★★★★ 5
Good stuff
Size: 2.67 Ounce (Pack of 12)
Better than Tech and saved me some money.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 18, 2026
★★★★★ 5
Buff and stuff
Size: 2.67 Ounce (Pack of 12)
Works well for buffing. Don’t recommend drinking
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Reviewed in the United States on November 7, 2025
★★★★★ 5
Works
Size: 2.67 Ounce (Pack of 12)
Very pleased with product. Seals and holds very well with rubber repairs.
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Reviewed in the United States on October 14, 2025
★★★★★ 4
Works
Size: 2.67 Ounce (Pack of 12)
Works
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Reviewed in the United States on November 30, 2025
★★★★★ 5
What you don’t see can hurt you
Size: 2.67 Ounce (Pack of 12)
Don’t skip this
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Reviewed in the United States on November 19, 2025
