Dry Tec 68% Calcium Hypochlorite Granular Swimming Pool Shock - 12 lb
Dry Tec 68% Calcium Hypochlorite Granular Swimming Pool Shock - 12 lb
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DryTec

Dry Tec 68% Calcium Hypochlorite Granular Swimming Pool Shock - 12 lb

Dry Tec 68% Calcium Hypochlorite Granular Swimming Pool Shock - 12 lbDry Tec 68 Calcium Hypochlorite Granular Swimming Pool Shock 12 lbDry Tec 68 Calcium Hypochlorite Granular Swimming Pool Shock 1 lbDry Tec 68 Calcium Hypochlorite Granular Swimming Pool Shock 24 lb
Size:12 lbs

Key item features

  • Powerful Sanitizer: Dry Tec 68% Calcium Hypochlorite granular shock effectively kills bacteria, controls algae, and destroys organic contaminants in swimming pools.
  • Vinyl-Safe Formula: Unlike some alternatives, this formula is safe for vinyl pool liners, preventing bleaching and allowing for even broadcasting across the pool surface.
  • Water Balance: For optimal performance, maintain pH between 7.2-7.6, total alkalinity 60-120 ppm, and calcium hardness above 200 ppm.
  • Shock Treatment: Apply one bag per 10,000 gallons weekly, or as needed, to achieve 5-10 ppm available chlorine, especially after heavy use or storms.
  • Application Instructions: Add the recommended dosage during evening hours with the pump running, broadcasting evenly over the deepest part of the pool.
  • Proper Storage: Keep the product dry in its tightly closed container in a cool, dry, well-ventilated area, away from heat or open flame.
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Current price is $61.92
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Arrives by Thu, Jun 18
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Sold and shipped by Four Seasons Pool SupplyPro Seller
4.223080886141164 stars out of 5, based on 1941 seller reviews(4.2)
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4.7 out of 5 stars
stars46 ratings20 reviews
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  1. 5 stars89% (41)
  2. 4 stars2% (1)
  3. 3 stars2% (1)
  4. 2 stars2% (1)
  5. 1 star4% (2)
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Showing 1-3 of 20 reviews

Nov 30, 2025
DLD
Item details
Size: 1 lbs
Sold and shipped byFour Seasons Pool Supply
5 out of 5 stars review

Verified Purchase

This Drytec product was shipped and arrived very quickly. It was nicely packaged with no rips or tears. The directions are easy to understand and I would definitely recommend this to all who need a disinfectant for the pool or other things. All in all a great product once again! 🙂

Incentivized Review
Helpful?3KG1F8DN9Y1G439187197
Aug 28, 2025
Mark
Item details
Size: 1 lbs
Sold and shipped byFour Seasons Pool Supply
5 out of 5 stars review

Verified Purchase

Dry Tec to disinfect water in an emergency

I bought this product (Dry Tec 68% Calcium Hypochlorite Granular Swimming Pool Shock - 1 lb) to keep on hand to disinfect water to drink in an emergency. Easy to store and use- Dry Tec is a brand I have used in the past and trust. A little pricey for what it is but they do ship it right to your door and I did not need a 5-gallon bucket of the stuff. Yes- I would recommend Dry Tec in the 1lb size. Good to have in an emergency for water you might not be able to boil.

Incentivized Review
Helpful?3KG1F8DN9Y1G439187197
Sep 27, 2025
ERIC
Item details
Size: 12 lbs
Sold and shipped byFour Seasons Pool Supply
5 out of 5 stars review

Verified Purchase

It price, and it works 💪.

Helpful?3KG1F8DN9Y1G439187197