Brown Bubble algae

[Scavenger]

Sailfin tangs are reported to eat bubble algae. I've never heard of brown bubble though. With 4 emerald crabs, I assume you have a larger tank?

[Kronk]

I have a lot of red bubble algae and some brown i think its the same thing. I have a little emerald crab that i bought to eat it but i havent seen him since i put him in the tank... I found if you scrub off all your rocks it takes a long time for it to come back.

[Swags]

I have 3 reef tanks, a 55, 75 and a 90. The problem is in the 55. I bought 4 emerald crabs because of the amount of bubbles, with the intention to distribute to the other tanks once the problem was cleared up. Hmmmm sailfin tang eh, I may try that, thanks for the advice!

Phil