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why all the extra chemicals?

Discussion in 'CO2 Enrichment' started by ccLansman, Aug 25, 2008.

  1. ccLansman

    ccLansman Guru Class Expert

    Jan 22, 2008
    Likes Received:
    Local Time:
    2:15 AM
    If EI uses KNO3, KH2PO4 and Micros. What is the need for all these other types of fertalizers? Can anyone give me some info on each and why they may be used?

    Calcium Carbonate
    Calcium Carbonate (Fine) 1 lb. CaCO3

    Calcium Chloride
    Calcium Chloride 1 lb. CaCl2

    Calcium Nitrate
    Calcium Nitrate 1 lb. CaNO3

    Calcium Sulfate
    Calcium Sulfate 1 lb CaSO4

    Iron Chelate 10%

    Magnesium Sulfate
    Magnesium Sulfate 1 lb. MgSO4

    Mono Potassium Phosphate
    Mono Potassium Phosphate 1 lb. KH2PO4

    Potassium Nitrate
    Potassium Nitrate 1 lb. KNO3

    Potassium Sulfate
    Potassium Sulfate 1 lb. K2SO4
  2. tedr108

    tedr108 Lifetime Charter Member
    Lifetime Member

    Nov 21, 2007
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    Local Time:
    2:15 AM
    Re: Ca & Mg... Not all local waters are created equal, and many are low in Ca and/or Mg, which the plants need. Most micros do not have them, or perhaps not enough of them. I suppose also that in a non-CO2 tank with no water changes that your tank could use up the available Ca and Mg. There are probably other special reasons for CaCO3, CaCl2 and CaNO3 that I do not know.

    Re: Iron chelate... Most micros have iron, but I guess some don't.

    Re: Potassium sulfate (K2SO4)... If your fish load is fairly high, they create NO3 with their waste. Therefore, adding KNO3 may ramp up your NO3 too much. K2SO4 is a good way to get your K without adding more NO3 to your water. With EI, K2SO4 can be used as a substitute for KNO3, if your nitrates are already high enough.

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