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  • RO/ DI water for fresh water tank?

    I bought a RO/ DI unit to use for salt water. I wonder if it's beneficial to use the RO/ DI water for fresh water fish also? If not, what does it lack? What can I add to make it suitable?

  • #2
    Re: RO/ DI water for fresh water tank?

    Depending on what kind of fish you are keeping in the freshwater, yes it is very beneficial!

    Some would require that you re-buffer the water a great deal though.
    700g Mini-Monster tank

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    • #3
      Re: RO/ DI water for fresh water tank?

      It's great to makeup water lost thru evaporation, but most area betta breeders that use it eather mix it 50/50 with Houston water or buy expensive mineral and vitamin supliments like this..... Kent RO Right
      'Dear Lord,' the minister began, with arms extended toward heaven and a rapturous look on his upturned face. 'Without you, we are but dust ...'
      He would have continued but at that moment my very obedient daughter who was listening leaned over to me and asked quite audibly in her shrill little four-year old girl voice, 'Mom, what is butt dust?'

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      • #4
        Re: RO/ DI water for fresh water tank?

        It really depends what kind of fish you want to keep.  I use RO/DI water in all my soft water dwarf tanks.

        So......what kind of fish are you planning to keep?

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        • #5
          Re: RO/ DI water for fresh water tank?

          I already have 2 running tanks, a Malawi tank and a community tank with angels, silver dollars, tetras ...
          I am using tap water treated with Seachem Prime or Kent marine detox. The fish are doing well but I recently bought a  RO/ DI unit to get into salt water. I just wonder if I can make their enviroment even better.

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          • #6
            Re: RO/ DI water for fresh water tank?

            I think the community tank would probably benefit a great deal...the malawi tank I find would not be cost effective to do so.
            700g Mini-Monster tank

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            • #7
              Re: RO/ DI water for fresh water tank?

              One of the reasons that east african (rift lake) chiclids are so popular here in the Houston area is that they come from Hard water like our tap water.

              However the South Americans & Asian fish come from rain forests and prefer soft (DI/RO) rain water.

              But you can make it easy on yourself, just keep the brackish water natives  
              'Dear Lord,' the minister began, with arms extended toward heaven and a rapturous look on his upturned face. 'Without you, we are but dust ...'
              He would have continued but at that moment my very obedient daughter who was listening leaned over to me and asked quite audibly in her shrill little four-year old girl voice, 'Mom, what is butt dust?'

              Comment

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