Great, I have a 90gal with 20gal sump and a 20gal refugium, 100lbs live rock with lots of growth. I have lost my battle with apstasia for the last couple of years, so every rock has numerous amount. I can isolate these Bergia from my crabs and Yellow Tang, and Wrasse in my refugium, and just add the rock to the refugium tank. How many do you think I need to buy? I was thinking a half a dozen or so?
P.S. I will be there for one day only for September 11, 2012, hopefully this is o.k.
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