How to open up your pool after the winter

1. Remove cover

  • Wind up the pool cover carefully ensuring as few leaves and debris enter the pool as possible.

Mechanical engineering cyprus2. Clean the cover

  • Place the cover flat side up with the bubbles facing down.
  • If possible use the space available around the pool by setting the reel system back, creating a flat surface between the reel and pool.
  • Your cover can also be laid out on a lawn to be cleaned.
  • Rinse down with a hose or jet washer (ensure jet washer kept 20cm – 30cm from cover).
  • Use a soft brush to remove embedded residue.

3.Clear the pool of debris

  • Use deep net or skimmer net to clear leaves and debris from surface and floor of the pool.
  • Open and empty skimmer baskets, clean inside of skimmer.

4. Deep clean the pool

  • Use a soft pool brush to brush away algae and dirt off walls and floor of the pool.
  • Remove inlet cover plates and eyeball inlet nozzles and clean.
  • Vacuum the pool – run your robotic cleaner to remove the last residue at the bottom of the pool.

Mechanical engineering cyprus

5. Top up water levels

  • Run hose line to the pool and bring the water level to the middle of the skimmer.

6. Set up the filter

  • Ensure pump is switched off and turn off inlets, main drain, and skimmer valves to pump and filter.
  • Open the lid to the pump remove the pump filter basket.
  • Clean the pump filter basket and reinstall.
  • Ensure the pump seal is clean and reinstall.
  • Use a bucket of water to help prime pump. Replace pump lid.
  • Open inlets, main drain, and skimmer valves to pump and filter.
  • Switch on pump for 24 hours, ensuring the multi-port valve is set to “filtration”
  • Backwash the pool filtration as required.

7. Check chemical levels and balance pool

  • Take water samples from the pool (ensure taken 20cm under the water level).
  • Check pH, Free Chlorine (FC), Combined Chlorine (CC), (calculate Total Chlorine (TC)), Calcium Hardness (CH) and Total Alkalinity (TA).
  • Take appropriate actions to balance pH, CH and TA (take time to allow chemicals to settle).
  • Add stabilised chlorine to level the pool between 2-4ppm.
  • Allow to settle and recheck chemical levels

8. Shock the pool (if required)

  • Put on PPE and weigh out shock chlorine.
  • Fill bucket with warm water.
  • Add the required shock to the bucket slowly.
  • Stir until dissolved.
  • Add shock slowly to the pool moving around the pool and ensuring not to splash and to pay attention around the skimmer.
  • Ensure all pool equipment is cleaned thoroughly.
  • Leave and allow the shock to do its work.
  • Repeat as needed.
  • Ensure the pool cover is off the pool water until the free chlorine level has returned to 2 – 4 ppm

9. Reinstall the cover

  • When the chemical levels have returned to industry standards, reattach cover to reel and install on pool.

10. Set the pump and filtration timings

  • Check the inlet nozzles are set to provide the best possible circulation.
  • Set the filtration time schedule ensuring enough time to completely circulate the pool.
  • For best heating performance set filtration to turn during the sunlight hours between 11 and 4.


11. Check, check and Recheck

  • Recheck pH, FC, CC ,TC and make adjustments if required.

Via Hydro Cyprus

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