Influence of low KH

Discussion in 'General Discussions and Advice' started by Meneer, 3 Jul 2011.

  1. Meneer

    Meneer

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    Location:
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    Hi

    My KH is currently sitting at 7

    PH:8
    Salinity:1026
    Temp: 24
    Ammonia:0
    Nitrite:0
    Nitrate:0
    Phosphate:0.1


    Occupants: Only have 4 fish, 2 hermits, Sea hare, 1 Cleaner Shrimp and 2 Snails

    Various Mushrooms, 5 Zoa frags, Xenia, 2 tubeworms, Bali Polyps and 1 leather in my tank.


    KH used to be 10.

    How do I get it up (I know baking soda, but have no idea of the dosage or method)

    What will the effects of a low KH be on my tank?
     
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  3. Tremayn

    Tremayn

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  4. Reef Maniac

    Reef Maniac MASA Contributor

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    A hardness of 7 DKh is nothing to worry about - that is what natural sea water is. Keeping it slightly elevated has certain advantages, such as reducing pH swings, but there is nothing wrong IMHO to keep it at the same level as NSW. Dropping it lower will have an effect on the growth rate of your corals, coralline algae, etc. as they combine calcium ions and carbonate ions to create calcium carbonate, the "stony" substance in all hard corals, and the carbonate is supplied by the buffer.

    Read this thread: Chemical equivalents - Marine Aquariums of South Africa

    Hennie
     
  5. Meneer

    Meneer Thread Starter

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    Thanx Folks..
     
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