HTH Advanced Pool Shock Granules - 1 lb | 52031

Product Description The HTH Advanced Shock 1 lb (Model 52031) is a powerful granular chlorine pool shock treatment designed to quickly sanitize and restore water clarity in swimming pools and spas. This 4-in-1 shock formula kills bacteria and algae, eliminates organic contaminants, reduces chlorine odors, and helps maintain crystal-clear water. Formulated without added stabilizer (CYA), this shock prevents cyanuric acid buildup that can reduce chlorine effectiveness, making it ideal for routine maintenance or quick water treatment. The fast-dissolving granular formula works rapidly to boost sanitizer levels and restore proper water balance. Perfect for spot treatments, weekly pool maintenance, or after heavy pool use, the HTH Advanced Shock 1 lb packet delivers professional-strength sanitation in a convenient single-dose size trusted by pool owners and service professionals. Highlights 4-In-1 Pool Shock Formula – Kills bacteria and algae, eliminates contaminants, reduces odors, and improves water clarity No Added Cyanuric Acid (CYA) – Prevents chlorine lock and maintains effective sanitizer levels Fast-Dissolving Granular Shock – Quickly sanitizes pool or spa water for rapid results Convenient 1 lb Treatment Size – Ideal for spot treatments, small-to-medium pools, or weekly maintenance Compatible with Most Pool Types – Safe for vinyl, fiberglass, plaster, and saltwater pool systems How To Use HTH Pool Shock Treatment Instructions Add Directly to Pool Water or Skimmer Follow the dosage instructions on the package based on your pool size. Use Weekly for Best Results Apply as part of your regular pool maintenance routine to maintain free chlorine levels between 1–4 ppm.