How to Blow Out Lines in Pool

How to Blow Out Lines in Pool: Expert Winterizing Tips

How to Blow Out Lines in Pool

Welcome to our guide on how to blow out lines in a pool! Properly winterizing your pool is crucial to protect it during the colder months. One essential step in this process is blowing out the lines to prevent damage from freezing water. In this article, we will walk you through the steps to effectively blow out lines in your pool, ensuring a smooth winterization process.

Why Blow Out Pool Lines?

Blowing out pool lines is necessary because water left in the pipes can freeze during winter, leading to costly damage. By removing the water from the lines, you prevent the pipes from bursting and ensure that your pool equipment remains intact.

How to Blow Out Lines in Pool: Expert Winterizing Tips


Tools and Equipment Needed

Before you begin, make sure you have the following tools and equipment on hand:

  • Air compressor
  • Air hose
  • Plugs or winterizing caps
  • Screwdriver or wrench
  • Pool winterizing chemicals

Step-by-Step Guide to Blowing Out Pool Lines

Follow these steps to effectively blow out the lines in your pool:

  1. Turn off the Pool Equipment: Before starting the process, turn off the pool pump, heater, and any other equipment connected to the pool.
  2. Drain the Pool: Lower the water level in the pool below the skimmer and return lines. This will prevent any water from entering the lines during the blowing out process.
  3. Remove Drain Plugs: Unscrew the drain plugs from the pump, filter, and any other equipment to allow water to drain out.
  4. Attach the Air Compressor: Connect the air hose from the compressor to the blowout plug on the pool equipment.
  5. Blow Out the Lines: Turn on the air compressor and gradually increase the pressure to blow out the water from the lines. Start with the skimmer lines, followed by the return lines and other equipment.
  6. Seal the Lines: Once all the water has been blown out, seal the lines with plugs or winterizing caps to prevent any water from entering.
  7. Add Winterizing Chemicals: Finally, add winterizing chemicals to the pool to protect it during the winter months.

Tips for Effective Pool Line Blowing

Here are some tips to ensure an effective pool line blowing process:

  • Start blowing out lines early in the season to prevent any damage from freezing temperatures.
  • Ensure that all water is completely removed from the lines to prevent any potential damage.
  • Check for any leaks or cracks in the lines before sealing them to avoid issues later on.
  • Properly store your pool equipment and winterizing supplies for future use.
How to Blow Out Lines in Pool: Expert Winterizing Tips



Blowing out lines in your pool is a crucial step in the winterization process to protect your pool from damage during the colder months. By following the steps outlined in this guide and using the right tools and equipment, you can ensure that your pool remains in top condition year-round. Remember to start early, be thorough in removing water from the lines, and seal them properly to prevent any issues. With proper care and maintenance, your pool will be ready for enjoyment when the warmer weather returns.

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