?

[trottman]

does this make any since to any one? if so explain it to me please.

http://saltaquarium.about.com/cs/surgewavemakerdiy/l/aa092499.htm

 

[Chelsey]

What are you having trouble comprehending? Seems pretty straightforward to me...

 

[trottman]

how would that make a back and forth motion?

 

[Chelsey]

probably because of the angles that the water bounces against the glass

 

[MayoBoy]

I don't think it makes waves per se, just random currents in the tank.