Lily pipes but no ripples

[Krishs Bettas]

Do i have to lift them up or have a brought the wrong ones.

 

[nry]

Changing the height of the outlet will change how the ripples look 🙂

 

[viktorlantos]

Every pipe brand produce a different flow. Some of them push more the water downwards others upwards etc.
Not sure which brand you have, but you can see the shape story here for example:

http://www.flickr.com/photos/jfravn/4502364918/