Premixed SW, how long will it last?

Discussion in 'Beginner Discussions' started by Matt, 8 Jan 2010.

  1. Matt

    Matt

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    How long will premixed salt water last in a container thats not exposed to sunlight?

    If i'm running a small nano that only requires maybe 5L changes weekly, can I purchase 20L per month and just use it as I need it?
     
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  3. Reef Maniac

    Reef Maniac

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    Yes, that should be fine. I would just vigorously aerate the "new" water for a few minutes before using, as the bacteria in the mixed water would have used up all the oxygen by the time you want to use it.

    Hennie
     
  4. martin

    martin Reef Adict

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    In actual fact I think it was AC that said the longer it stands the better - standing that is with air/circulation.
     
  5. RiaanP

    RiaanP Moderator

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    Get yourself the smallest little pump or powerhead you can get. That will fit into the bottle opening. And hang it in there.

    Or maybe a airpump, as air water exchange inside the drum will be slow as no natural wind movement will happen over the water.
     
  6. Neil H

    Neil H Moderator

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    just make sure you do not get any significant evaporation from the drum, as this would raise the SG and could be a real dab thing when adding water to a nano......
     
  7. OP
    Matt

    Matt

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    Thanks guys! Anyone know the best place to buy say 10L drums in JHB??
     
  8. Warr7207

    Warr7207

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    Plastic World @ Lifestyle
     
  9. OP
    Matt

    Matt

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    Shot War :)
     
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