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Shocking your pool water means adding large quantities of chemicals (maybe 5-10 times the normal dose) which temporarily raise the chlorine level for a short time.

You do this to break down any organic waste, get rid of bacteria and contamination, and boosts the chlorine. It is also known as super-chlorinating.

It keeps pool water safe and clean and should be part of your regular maintenance depending on how much use your pool gets.

We recommend you shock your pool at regular intervals but especially;

  • When you first fill up your pool
  • At the first signs of algae or slime
  • After periods of heavy usage
  • After a loss of water clarity or quality