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South American Fish and Water Hardness

Discussion in 'Fish' started by dougz, Sep 21, 2008.

  1. dougz

    dougz New Member

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    Location:
    mackenzie, BC
    Thanks to the CO2 injection I have my hard tap water (7.8) down to a SA fish friendlier 6.8..

    BUT though I added peat to my canister filter (about half a loaf of bread worth), it doesn't seem to be bringing the hardness down (GH 9-10).

    I only added it a few days ago, mind you..

    How long does it take for the peat to start working on the hardness?

    How sensitive are the following fish to water hardness, all of which like hardness around 2-4(!!) hardness??

    Cardinals
    Bristle nose plecos
    Dwarf cockatoo cichlids
    otos


    I added lots of driftwood 6 weeks ago, but that didn't seem to budge the pH OR the hardness at all..

    I also added about 30g of demineralized water (pH 6, hardness 0), and I thought that would bring it down at least a little bit, but I guess a little tap water goes a long way!!

    Will I be ok if I do a very gradual drip acclimatization with these fish (3 cycles)?

    Or am I going to have to do a 80-90% water change, and fill it up with R/0 or demin water again??

    (yikes.. That'd be about 7 trips to my pulp mill (15km away), hauling 5g jugs all over the place).

    Thanks!!
    __________________
     
  2. Chadly

    Chadly New Member

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    Okemos, MI
    what type of substrate do you have?
     
  3. dougz

    dougz New Member

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    Eco-complete
     
  4. cicjay

    cicjay New Member

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    That raises hardness for quite a long time allegedly.
     
  5. dougz

    dougz New Member

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    Huh..

    How long is long?
     
  6. Chadly

    Chadly New Member

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    could just be the mineral content of the bag, could be something else. You could test some RO water with a small amount of your EC to be sure that 's what it is. Otherwise you can buffer it.
     
  7. dougz

    dougz New Member

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    Hmmm.. Yup, could do that...
     
  8. cicjay

    cicjay New Member

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    Really not sure I'm afraid. Soon as I heard it does I decided to never touch the stuff.
    I stick to ADA Aqua Soil as it does the opposite.

    Have a look at some planted tank sites 'substrate sections' for info... they always talk about it.
     
  9. dougz

    dougz New Member

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    Location:
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    Yeah, I think I'll use that in my next tank..

    Probably won't bother with laterite, either, and just use tabs..
     

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