Probably a dumb question

Discussion in 'ID This!' started by zcparrott, Aug 21, 2013.

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  1. zcparrott

    zcparrott Spanish Shawl Nudibranch

    Joined:
    Jul 27, 2013
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    81
    Location:
    Haslet, Tx
    Sorry for the dumb question lol, but is this diatoms or algae?
     

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  3. Corailline

    Corailline Super Moderator

    Joined:
    Sep 8, 2010
    Messages:
    19,652
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    It is a dry heat, yeah right !
    It looks like old algae material with detritus settled on top. Try taking a turkey baster or one of the power heads and blowing it off. Diatoms tend to be more like a brown dusting, you usually see it on the sand and glass.