Opening your pool

Opening your pool

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When it's time to open your pool for the swimming season, choose hth® pool care products to prepare your water. There are two essential elements to ready your pool for the season: ensuring the equipment is in proper working order and balancing the water. Use the hth® pool care kit for opening and closing in addition to the steps below.

Preparing the Pool Water

  • Test the water using the hth® 6-way multi purpose strips, or other hth® test kits or strips.
  • Adjust the TA, pH, FAC, and CH to the ideal levels recommended in the Balanced Pool Care Chart.
  • If needed, stabilize the water using hth® stabilizer.
  • Shock treat pool water with an hth® shock product.
  • Continue routine maintenance following the 4-Step Program for the entire season.

Preparing the Equipment

  • Remove any water and debris that have accumulated on your pool cover during the winter.
  • Take off the pool cover. Clean the cover to prevent mildew and premature deterioration.
  • Reconnect all plumbing and electrical connections for the pump, filter, and circulation system.
  • Make sure the skimmer(s), filter(s), pump(s), drain(s) and other equipment are clean and free of winter debris.
  • Use a leaf skimmer to scoop up all surface and submerged debris.
  • Clean the pool floor and walls with a curved wall brush.
  • Add water to the pool to bring it up to the proper level.
  • Make sure all hoses and electrical hookups are in working order.
  • Turn on filter pump and check the circulation system for leaks.
  • Check the skimmer, drain and filter to make sure they are functioning properly.
  • Use a pool vacuum to remove any remaining debris to remove any remaining debris.
  • Run the filter for 12 hours.


As always, we’re here to help. If you have questions, contact our help line at 1-866-HTH-POOL or talk to our experts with our live chat!


Please read the following important reminders before adding pool chemicals to water:

• NEVER mix products together or dissolve before use.

• ONLY enter pool when FAC levels are below 4 ppm to prevent risk of bodily harm.