Best invert macro algae eater

[Mad Marine]

I have a invasive macro algae which is very annoying, grows fast and chokes my corals. I am constantly pulling bits out. My tank is a Reefer 350 (70 Gals). The tank is too small for a tang or rabbitfish - tangs need large Aquaria.

Is there an urchin that will consume it, any crab won't be effective enough.

I have tried a Sea Hare, it didn't help at all.

Thank you

 

[teddscau]

I hear tuxedo urchins are great. I think they're supposed to eat both micro and macroalgae. You don't have to worry about being poked by them, and they don't bulldoze everything in your tank like other urchins do.