HTH Pool Care Chlorine Shock — Granules, 6 Pack (13.3 oz each) — Pool Shock Treatment for Weekly Use
HTH Pool Care Chlorine Shock — Granules, 6 Pack (13.3 oz each) — Pool Shock Treatment for Weekly Use
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HTH Pool Care Chlorine Shock — Granules, 6 Pack (13.3 oz each) — Pool Shock Treatment for Weekly Use

4.6 stars out of 784 reviews
(4.6)|
784 ratings
HTH Pool Care Chlorine Shock — Granules, 6 Pack (13.3 oz each) — Pool Shock Treatment for Weekly UseHTH Pool Care Shock for Swimming Pools Granules 6 Pack 13 3 oz
Count:6

Key item features

  • Multi-functional Treatment: Shock treats, sanitizes, clarifies, and helps prevent bacteria and algae in swimming pool water with a convenient, easy-to-use product.
  • Fast-Acting Formula: This multi-use pool shock with Cal Hypo solves 90% of pool water problems within 24 hours, acting and dissolving quickly.
  • Brilliant Water Clarity: The Cal Hypo based formula sanitizes without adding cyanuric acid (CYA), preventing over-stabilization or chlorine lock for a visibly brilliant sparkle.
  • Universal Pool Compatibility: Great for all pool types, including vinyl-lined pools and saltwater systems, without fading the pool liner.
  • Boosts Chlorine: Designed to boost chlorine levels and kill bacteria and algae for a clean, clear pool.
  • Weekly Maintenance: Apply as part of a weekly pool care routine to maintain free available chlorine levels between 1 and 4 ppm.
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Current price is $23.4029.3 ¢/oz
Price when purchased online
  • Free 90-day returns
Subscribe, Your usuals, on your schedule, Save time and stay stocked!, $23.40
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One-time purchase $23.40

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4.6 out of 5 stars
stars784 ratings299 reviews
How item rating is calculated
  1. 5 stars80% (627)
  2. 4 stars10% (80)
  3. 3 stars4% (33)
  4. 2 stars2% (14)
  5. 1 star4% (30)

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Showing 1-3 of 299 reviews

Jan 24, 2026
jack
Item details
Size: 13.3 oz
Sold byIntegriMarket
5 out of 5 stars review

Verified Purchase

Pricey

Seems to work well, may be a lil weak. Sometimes takes 2 bags instead of one. And always priced to high

Helpful?d2c00a30-0b0c-11f1-8e30-63e7131886fb477858874
Nov 25, 2025
Fran
Item details
Size: 13.3 oz
5 out of 5 stars review

Verified Purchase

HTH Pool Care Chlorine Shock — Granules, 6 Pack

These are very easy to use with an inground pool and dissolve fast. The pool's water is clear in no time.

Helpful?d2c00a30-0b0c-11f1-8e30-63e7131886fb477858874
Dec 17, 2025
WalmartCustomer
Item details
Size: 13.3 oz
5 out of 5 stars review

Verified Purchase

Great product for the price.

Incentivized Review
Helpful?d2c00a30-0b0c-11f1-8e30-63e7131886fb477858874