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When & How to Start Your Aeration System – Pond & Lake Q & A

Q: When do I start my aeration system? In the Spring? Do we start it slowly?
-Jerome of Brashear, TX

A: Ideally, your aeration system should run all year long. By running it all year long, this will prevent possible winter fish kills. But if you shut your aeration system down in the winter for recreational purposes, you will want to start it back up when the ice starts melting off your pond. I would highly suggest starting the aeration system slowly, similar to when you first installed the system. Follow the instructions below:

• Turn system on and operate for 30 minutes
• Turn system off for the rest of the day
• Restart the system the next day and operate for 1 hour
• Turn system off for the rest of the day
• Each day, double the operating time from the previous day until system is running non-stop. This should take 7 days.

Re-introducing the aeration system slowly will allow the water to mix and not shock the fish.

3 Responses

  1. Rhonda,

    If your case, you may have enough aeration with the waterfall as well as the fountain. It would be a good idea to test your oxygen levels just to make sure. I would test them in the morning as well as during the warmest part of the afternoon. Testing during the hot summer months is vital, just to make sure.

    The only way you would need to add additional aeration is if you have an abundance of fish; they would require more oxygen.

    Hope this helps!

  2. Will i still need a aeration system if I have a water fall and another water fountain going in my pond. My pond is 250 gallon and I have gold fish in it.

  3. […] is initially installed, it should be started at a slow pace to prevent creating turnover (See blog “When & How to Start Your Aeration System” for more information). As for algae, initially, when the nutrients are pushed towards the surface, […]

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