Venturi aerators use the flow of water under pressure to draw in air from an inlet point. This is a cheap and efficient option for those who have water pumping systems in place by removing the need to purchase a separate air pump. One aspect of venturi aeration that makes it popular and enjoyable is the visual confirmation that it is working as you can see the mass of bubbles coming out of the inlet pipe along with the water. A manufactured venturi is easy to fit with existing plumbing and is pre-designed so that pressure rates and flow rates operate at optimal levels.
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