Does Anything Eat Hard Algae On the Glass?

[asylumdown]

Originally Posted by Doug

Yup blade it. My urchins eat it but not enough to control it.

+1 They're like any animal, they'll never it to the point of being gone. You'd still see the green algae, you'll just also see all the little tracks where the urchin has scraped a path through. Would probably look even worse.