How do you winterize gunite swimming pools?

You can winterize gunite swimming pools by following the steps given below:

  • Test the pool water with a swimming pool test kit for algae, mold or germs.
  • While the pump is on, apply shock to the pool for about 8 hours.
  • Apply algaecide to fight algae growth in the water.
  • Set the pump to backwash the water so that it cleans the pump and the filter.
  • Drain out water from the pool to about 6 inches below the skimmer.
  • Using a shop vacblow out the water from the pool hoses.
  • Cover the pool with a durable pool cover.