In order to save power (off the grid setup), I'm trying to get rid of the air pump. A lot of people in the Aquarium community are using a water pump with a venturi effect. YouTube is full of exemples, so I decided to give a try.
The idea is to insert a small air intake (little tube) in the water flow. To emphasise the effect, you'll need a pressure difference.
A lot of videos and webpages give exemples using a pen body inserted in the PVC tube, or a tiny clear flex tube with an angled cut.
Using a T and the tube reducing the section in the 1" water pipe, you create the velocity increase needed for the suction in the air intake.
Using a T and the tube reducing the section in the 1" water pipe, you create the velocity increase needed for the suction in the air intake.
In this video you can see the pump in action with an adjustable depth clear tube. It really depends on your water flow.
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