[youtube width=”640″ height=”480″]http://www.youtube.com/watch?v=hujvbfIGFww[/youtube]
LSS laboratory releases 8 unique nozzle wave makers. Some of them have some mechanical trick inside of the nozzle which create very unique wave. Some of them have unique nozzle top. The prices are between $18 and $40, so they are really reasonable. LSS laboratory mentioned that you can extend the length of the nozzle, so you can adjust it with your tank.
The LSS video shows each waves with the nozzle, so you can get some idea what a kind of wave they create.
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