white stuff encrusting zoas, what is it and what to do

Discussion in 'Coral' started by spardoin, Mar 11, 2012.

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  1. spardoin

    spardoin Astrea Snail

    Joined:
    Nov 18, 2011
    Messages:
    49
    Location:
    Athens, Georgia
    I have had the zoas pictured with the black circle in my tank for about 2 months. I have not switched their position or anything. Last week some white stuff began encrusting the top of three of the heads, it appears to be spreading to the others. Any ideas of what it is and suggestions as to what I can do?
     

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  3. Corailline

    Corailline Super Moderator

    Joined:
    Sep 8, 2010
    Messages:
    19,652
    Location:
    It is a dry heat, yeah right !
    From a distance it looks like Zoanthid pox. Need a closer image but I would google zoanthid pox because you will need to treat it.

    Please post an macro image if you can.