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GARF'S AIRLIFT MAKING LESSON = bubbles and sun
LEROY@GARF.ORG

This is the buried tank that will be the sump for this system. We have put two of the airlifts in the gravel. The water is directed around the tank from each outlet. This creates a laminar flow that will wash over the corals. Airlifts are easy to make. The way that we show in this lesson saves money, and that is the goal in this system.

1pond more information below image

An airlift pump, powered by compressed air,
raises fluid by entraining gas to reduce its density.
1. Air supply.
2. Liquid supply.
3. Air inlet port.
4. Air supply line.
5. Air port.
6. Air outlet.
7. Fluid intake.
8. Riser tube.
9. Air liquid mixture.
10. Pump outlet.
L:Liquid, usually wastewater.
LL:Liquid level.
V:Vessel
G:Gravel or solids.
GEOTHERMAL AQUACULTURE RESEARCH FOUNDATION

* The pump is very reliable. The very simple principle is a clear advantage. Only air with a higher pressure than the liquid is required.
* The liquid is not in contact with any mechanical elements. Therefore, neither the pump can be abraded (which is important for sandwater wells), neither the contents in the pipe can be abraded
This is important because you don't want to damage the small in vertebrates or the green water that you are growing in your tanks.