Do Urchins Need MH lights??

[lvmtn2day]

Do urchins need MH lights? I would like to get some eventualy.

 

[yosemite sam]

Urchins aren't photosynthetic, most just need lots of algea to munch on.

 

[1journeyman]

and they have been known to munch on anything they come across, including corals.