Can someone tell me what these are

Discussion in 'ID This!' started by link248, Dec 25, 2010.

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  1. grinder37

    grinder37 Whip-Lash Squid

    Joined:
    Sep 17, 2009
    Messages:
    2,984
    no,neither will cause any harm,the worms can be plucked off the glass easily with your finger nail,if nerite eggs,they usually don't survive but leave the "egg shell" which can also be plucked from the glass.Don't scrub them with your mag float as they can scratch the tank,whats on the rocks and back wall I wouldn't worry about.:)
     
    grinder37, Dec 31, 2010
    grinder37, Dec 31, 2010
    #11

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  2. clarky2120

    clarky2120 Bubble Tip Anemone

    Joined:
    Mar 14, 2010
    Messages:
    684
    Location:
    Orlando
    Leave them, they are filter feeders and one sign of a healthy tank. Scrape them off the front of glass if they are blocking your view or unsightly.
     
    clarky2120, Dec 31, 2010
    clarky2120, Dec 31, 2010
    #12
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