How to Install a Check Valve in a Fish Aquarium

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A check valve on your aquarium allows you to control the amount of air that will flow to your inside box filters, aquarium decorations and air stones. The check valve sits inside the air line tubing and regulates air flow through the tubing. Installing the check valve is not difficult, but you do need to have the right equipment to do the job.

Things You'll Need

  • Aquarium pump
  • Aquarium pump shelf
  • Air-line tubing
  • Scissors
  • Check valve
  • Find a suitable location for your air pump. You can place the air pump inside your aquarium stand to keep it out of sight, or mount it on a shelf hanging from the outside of your tank.

  • Attach the aquarium tubing to the valve on the air pump. Cut the air tubing off about two to three inches from the air pump. Use sharp scissors and make sure the cut is straight.

  • Insert the check valve into the air tubing attached to the aquarium air pump. Attach additional air tubing to the other end of the check valve.

  • Run the air tubing to the filter or appliance you want to run with the air pump. Cut the tubing off, and attach it to the pump or appliance. Plug your air pump into an electrical outlet.

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References

  • Photo Credit Jochen Sands/Digital Vision/Getty Images
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