Water change Q

Discussion in 'Nano Tank advice' started by BAD FISH, 15 Aug 2015.

  1. BAD FISH

    BAD FISH

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    Something i dont understand.
    My Nano is 102l, i do 25l water change every 2 week but then all the coral sulk for about 3 days. I haven't done one for 4 weeks now and everything is still very happy and opening up as they should....why is this happening.
    Must i maybe change to only one 25L water change a Month:blush:
     
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  3. Gus

    Gus

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    Hey bud, I have a 28G Nano and used to do water changes weekly. All my corals etc would be upset for a few days and my urchin wouldn't eat etc.

    A mate of mine Vic_Za suggested maybe not doing the water changes so frequently and just monitoring levels and parameters. Since then, I haven't looked back.

    Maybe a monthly change is the way to go for your tank ?
     
  4. trad

    trad Fish, thats the word!

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    I'd say make sure the temperature etc of the new water is the same as the tanks. 25% is a significant change. Also make sure you mix your salt some time before you need to use it so that is properly dissolved.
     
  5. trad

    trad Fish, thats the word!

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    Thing about delaying water changes is that it leads to bigger swings and changes than regular ones. So just keep that in mind.
     
  6. leslie hempel

    leslie hempel Moderator MASA Contributor

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    A few things could be happening

    Temp swings
    Or
    Introducing water from a polluted sore possibly worse than the levels in your system
    Also just check your salsify as nsw has a higher sg
     
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