Added GH booster and KH went up!

Discussion in 'Water Chemistry' started by wick, 14 May 2008.

  1. wick

    wick Member

    Messages:
    52
    Hi
    ive just bught some GH booster,and have added it to my tank 1/8 tsp per 100 litres.
    Thing is,its made my KH rise by 1 or 2 dKH..
    I know it not a great deal,but why is this happening?
     
  2. daniel19831123

    daniel19831123 Member

    Messages:
    736
    Location:
    Blackpool
    GH booster contains calcium in it. That's why the KH went up.
     
  3. JamesC

    JamesC Member

    Messages:
    1,276
    Location:
    Bexley, Kent
    KH is the amount of CO3 and HCO3 ions in the water. As GH Booster contains neither of these two (well shouldn't anyway) then it shouldn't affect the KH when added.

    James
     
  4. wick

    wick Member

    Messages:
    52
    Well that was my understanding,that the calcium wouldnt make the KH rise,unless it was calcium carbonate,but im sure gh booster contains Calcium Sulfate.
    Ive tested KH again today and it seems to be comming down a bit.....
    :? :? :?
     
  5. daniel19831123

    daniel19831123 Member

    Messages:
    736
    Location:
    Blackpool
    That's true actually. Totally got the wrong message across. sorry mate!
     

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