New tank bacteria bloom

Discussion in 'General Discussions and Advice' started by CameL, 3 May 2016.

  1. CameL

    CameL

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    Hi Guys,

    I bought a second hand tank from a reefer, i washed it with vinegar and paper towel, then i filled it with salt water. now the water is milky which has lead me to believe its some sort of bacterial bloom, should i run the tank with filter sock and carbon to clear it? or what is the cause?
     
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  3. r0ckf1re

    r0ckf1re

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    Ro water?

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    Last edited by a moderator: 20 Jul 2016
  4. CameL

    CameL Thread Starter

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    Well, it's salt water now, all was pre mixed before adding to the tank.

    But yes, new RO water with new filters on the RO unit, membrane will be replaced with next filters..
     
  5. 459b

    459b Moderator MASA Contributor

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    What else is in the tank? Rock/substrate?
     
  6. PeterAmos

    PeterAmos

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    circulate the water through the sump and tank for a few days and it should clear
     
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  7. r0ckf1re

    r0ckf1re

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    Substrate could cause this.

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    Last edited by a moderator: 20 Jul 2016
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  8. CameL

    CameL Thread Starter

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    Nothing, just return pump, and fresh saltwater
     
  9. Dre

    Dre

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    I had this problem recently and it never cleared. Got myself a UV sterilizer yesterday and it has cleared up. Definitely recommend one.
     
    Last edited by a moderator: 8 May 2016
  10. CameL

    CameL Thread Starter

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    Just an update,

    This cleared after running with return pump and a filter sock for 2 days, the filter sock is absolutely filthy though.
    My theory is i didn't clean the vinegar properly enough
     
  11. PeterAmos

    PeterAmos

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    Yip, vinegar is a carbon source that if overdone as in too much too soon, will cause a milkyness to the water, same as vodka. Will clear when the bacteria sorts its self out.
    Should have caused your protein skimmer to produce a browner mess.
     
    Last edited: 9 May 2016
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