Venturis are an efficient way to deliver air to your fish tank. They also do a great job of delivering O2 to and agitating the bio media in moving bed bio-filters.
These venturis are designed to run with a flow rates above 5000lph/1320gph. From my experience they will also run at lower flow rates down to 1000lph/264gph.
While these may be more expensive than some units for sale online, I have found these to be far superior in doing the job after testing some the venturis made for liquid “injection”.
Venturi in Action
In this clip I demonstrated this venturi as well as a few different DIY units that I’ve found effective at adding a bit of supplemental air into the system.
A big THANKS needs to go to CC Bear from the Backyard Aquaponics Forum for the first DIY unit shown in the clip. 👍
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