Need quick Urchin lesson

sen5241b

Reef enthusiast
I'm thinking about getting one. For the first time ever I have a major algae war slowly beginning with some rare red macro-algae that grows very slowly but very surely. Scrubbing it off rock is like trying to scrub pavement from a roadway.

What problems have have you had with Urchins?
 
Mine knocks corals over too. Even ones that I thought were glued or epoxied down pretty securely! He is a cool dude though (I have a short spine), so he's worth it.
 
Ill give it that, i love my urchin, hasnt messed with my corals yet. But am now looking at a tuxedo urchin if I can find one! :D
 
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