Pool Opening Checklist for Ontario Homeowners

Freeform pool with a new light blue vinyl liner and steps

Opening a pool is a lot easier with a plan. Use this checklist whether you open the pool yourself or want to know what a professional opening should cover.

Before you start

  • Gather supplies: a cover pump, soft broom, test kit or strips, sanitizer, shock, and your plugs and fittings from last fall.
  • Check that the electrical supply to your equipment is on and the breaker is working.
  • Have a garden hose ready to top up the water.

1. Remove and store the cover

  • Pump standing water and sweep debris off the cover before removing it, so the mess stays out of the pool.
  • Clean, dry and fold the cover, and store it off the ground away from rodents.
  • Safety cover? Retract the anchors so nobody trips on them.

2. Clean the deck and waterline

  • Clean the waterline tile or liner, the coping and the deck.
  • Reinstall ladders, handrails, diving boards and other deck equipment.

3. De-winterize the equipment

  • Remove winter plugs from the skimmer and returns, and reinstall the return fittings.
  • Reconnect the pump, filter and heater, and replace drain plugs.
  • Raise the water to the middle of the skimmer opening.

4. Start the system

  • Prime the pump and start it. Check for leaks at unions, valves and the filter.
  • Note the filter pressure once the system is running clean. This is your baseline.
  • Have a qualified technician light and check a gas heater. Do not relight it if you smell gas.

5. Balance and sanitize the water

  • Test pH, total alkalinity, sanitizer, calcium hardness and stabilizer.
  • Adjust alkalinity first, then pH, then shock the pool.
  • Run the filter continuously for the first few days.

6. The first week

  • Brush and vacuum daily until the water is clear. Heavy debris may need more than one vacuum.
  • Clean or backwash the filter as the pressure rises.
  • Retest the water every day or two until readings hold steady.

Let us handle it

Poolmaster’s opening packages range from cover removal and start-up to a full drain and clean. Bring a water sample to our store for testing, or let our CPO-certified technicians do it all.

Want a professional opening? Request a quote or call 416-449-1450.

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