Moving sand

Discussion in 'ID This!' started by dinkanber, Aug 18, 2011.

to remove this notice and enjoy 3reef content with less ads. 3reef membership is free.

  1. dinkanber

    dinkanber Skunk Shrimp

    Joined:
    Aug 11, 2011
    Messages:
    250
    I am in week one of my cycle.I have about 3 lbs of live rock in my 20 h ....The last few days ive noticed circular divots in the sand.The next day they will be gone and moved to another spot.Then yesterday a HUGE divot in the middle.Like the grand canyon in the center of the tank.All my rock it over to the side stacked.Im just using a small HOB for flow so nothing major.Do i have a critter if so what could it be
     
    dinkanber, Aug 18, 2011
    dinkanber, Aug 18, 2011
    #1

    2. Click Here!

  2. clarkkey594

    clarkkey594 Aiptasia Anemone

    Joined:
    Feb 20, 2011
    Messages:
    552
    Location:
    Boulder, CO
    Pictures would really help us figure out what you are dealing with.
     
    clarkkey594, Aug 18, 2011
    clarkkey594, Aug 18, 2011
    #2
  3. dinkanber

    dinkanber Skunk Shrimp

    Joined:
    Aug 11, 2011
    Messages:
    250
    photo (5).JPG
     
    dinkanber, Aug 18, 2011
    dinkanber, Aug 18, 2011
    #3
  4. Vbagate

    Vbagate Flamingo Tongue

    Joined:
    Sep 13, 2010
    Messages:
    113
    Location:
    Virginia Beach, VA
    Looks to me moved by current. Is your power head pointing down toward that spot?
     
    Vbagate, Aug 18, 2011
    Vbagate, Aug 18, 2011
    #4
  5. dinkanber

    dinkanber Skunk Shrimp

    Joined:
    Aug 11, 2011
    Messages:
    250
    no power head.Just have a HOB filter to keep it flowing for cycling...Some times there are small divots that are perfect circles
     
    dinkanber, Aug 18, 2011
    dinkanber, Aug 18, 2011
    #5
  6. ezz1r

    ezz1r Feather Star

    Joined:
    Oct 24, 2010
    Messages:
    789
    Location:
    Florida
    That would be my guess current created downward from the hob
     
    ezz1r, Aug 18, 2011
    ezz1r, Aug 18, 2011
    #6

    7. Click Here!

  7. dinkanber

    dinkanber Skunk Shrimp

    Joined:
    Aug 11, 2011
    Messages:
    250
    Ok. Thanks. Just was wondering if I had a stow away
     
    dinkanber, Aug 18, 2011
    dinkanber, Aug 18, 2011
    #7