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Gh+ and KH+

Discussion in 'Estimative Index' started by guy tillmans, Dec 10, 2008.

  1. guy tillmans

    guy tillmans Guru Class Expert

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    Hello

    I'm using RO water for my tank. After a waterchange i use KH+ (For ponds) en GH+ (also for ponds), untill my kh is 4 en gh 6. Are those products the same as , for example mineral salts from Sera? Do they also have all the elements such as mg en Ca ?

    thx
     
  2. Tom Barr

    Tom Barr Founder
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    KH+ is just baking soda, should be very cheap.
    GH+ could be lime or maybe Kalk, quick Lime or some form of dissolved CaCO3 in a acid binder, and have no Mg at all.
    They should tell you though what Ca and Mg % is added, ppm's etc.

    I use a GH booster, most folks in the USA do, that's a home made mix sold through most of the on line aquarium fertilizer places here.

    It's about 50% K2SO4, 28% CaSO4 and 20% MgSO4 and 1 % each of FeSO4 and MnSO4.

    I do not make it, so I cannot verify, and there's also H2O attached to these salts also. These cover all my bases for Mg, Ca, K+, SO4 and top off the Fe and Mn a bit.


    Regards,
    Tom Barr
     
  3. guy tillmans

    guy tillmans Guru Class Expert

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    Ok, if you cannot asure me that i add mg with GH+ , i will get some gh booster in the states and some other fertilizer stuff.
    But .....
    I use RO water, how high must the Gh be?? 2 - 4 - 6 dh??
     

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