• Check out the simple solution that aerates your water with no noise, and a lesser cost than air stones and pumps.
• The poor efficiency that air stones provide for aeration means even small scale growers always need several air stones and maybe even several air pumps.
• Air stones inject bubbles into a hydroponic nutrient solution, but the sound of buzzing air pumps is hard to get used to.
• Using a special arrangement of tubing, the Venturi Effect uses the energy from you water pump to inject air into the stream of water.

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