HTH Pool Care Shock Advanced 12-pack box, Cal Hypo formula with a No Chlorine Lock badge
HTH Pool Care Shock infographic listing the 4-in-one benefits: increases chlorine levels, reduces chlorine odor, prevents bacteria and algae, and restores crystal clarity
HTH lifestyle infographic, Shock Weekly with Cal Hypo, showing a child floating in a ring with the claim to solve 90% of pool problems within 24 hours
HTH Pool Care Shock Advanced shown in both bag and box packaging with a Packaging may vary note
HTH infographic, Cal Hypo based with a No Chlorine Lock badge: alternative to traditional chlorine, no cyanuric acid, will not overstabilize, long-lasting brilliant results
HTH Pool Care brand lifestyle photo of a child swimming underwater with the line You're all clear with HTH
HTH

HTH Pool Care Shock Advanced, Cal Hypo Formula, 1 lb (12-Pack)

Sale price$57.00 USD Regular price$100.00 USD
Save $43.00

Keep your pool clean, clear, and ready for cannonballs. HTH Pool Care Shock Advanced is a fast-dissolving Cal Hypo shock treatment that tackles the most common pool-water problems in one simple step.

Key Features

  • 4-in-1 formula — kills bacteria and algae, reduces chlorine odor and irritation, and restores crystal clarity.
  • Cal Hypo based — sanitizes without adding cyanuric acid (CYA), helping prevent overstabilization and chlorine lock.
  • Weekly multi-functional shock — designed for regular use to keep water visibly brilliant.
  • Works with every pool — compatible with all pool types, including vinyl-lined pools and saltwater systems.
  • Pre-measured bags — twelve 1 lb bags for convenient, no-mess treatments.

What's Included

  • 12 × 1 lb bags of HTH Pool Care Shock Advanced

Specifications

  • Type: Cal Hypo multi-functional pool shock
  • Form: fast-dissolving granular
  • Pack: 12 bags, 1 lb each
  • Cyanuric acid (CYA): none added
  • Compatibility: all pool types, including vinyl-lined and saltwater

For best results, test and balance your pool water regularly with HTH test strips.

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