Where we mention Doheny's Super Pool Shock, Pro-Grade Chlorine Shock, Quick-Dissolving

• Pool Shock Treatment: When to Shock, How Much, and What Kind

  Best pro-grade shock · Best for: Pro-grade quick-dissolve cal-hypo — service techs use it for fast turnover

• Pool Shock: How to Raise Free Chlorine Safely

  Best for high-dose algae recovery · Best for: Breakpoint chlorination or green-pool recovery; multi-bag cost savings