urchins

[nutrak]

is there such a thing as a reef safe sea urchin? i really like them...i always have. but i've got a big investment in my tank and wouldnt want to do anything to jeapordize that.

 

[reefrunner69]

Most of the urchins available in the aquarium trade are reef safe, in that they don't eat your corals, but the problem with any urchin is that they will act as a bull dozer, knocking corals off the LR structure as they forage for algae.