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Grams to teaspoon conversion for most common dry fertilizers

Discussion in 'Do-It-Yourself (DIY) Section' started by ShadowMac, Feb 8, 2015.

  1. ShadowMac

    ShadowMac Moderator Staff Member

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    Location:
    North Dakota, USA
    Some helpful info for anyone without a gram scale (or if yours happens to be dead when you go to make your solutions :mad:)

    Nitrate NO3:
    KNO3: 5.2g/tsp
    Ca(NO3)2.4(H2O): 4.8g/tsp

    Phosphate PO4:
    KH2PO4: 5.6g/tsp
    K2HPO4: 4.5g/tsp
    NaH2PO4: 4.5g/tsp
    Na2HPO4: 4.5g/tsp

    Potassium K:
    K2SO4: 6.4g/tsp
    KH2PO4: 5.6g/tsp
    K2HPO4: 4.5g/tsp
    K2CO3: 4.5g/tsp
    KCl: 4.5g/tsp
    Seachem Equilibrium: 5.33g/tsp

    Calcium Ca:
    CaCO3: 1.2g/tsp
    CaCl2: 4.4g/tsp
    CaCl2.2H2O: 3.6g/tsp
    CaCl2.6H2O: 4.5g/tsp
    CaMg(CO3)2: 5.2g/tsp
    Ca(NO3)2.4(H2O): 4.8g/tsp
    CaSO4.2H2O: 3.1g/tsp
    Seachem Equilibrium: 5.33g/tsp

    Magnesium Mg:
    MgSo4.7H2O: 5.1g/tsp
    MgCO3: 4.5g/tsp
    Miller Microplex: 3.9g/tsp
    CaMg(CO3)2: 5.2g/tsp
    Seachem Equilibrium: 5.33g/tsp

    Iron Fe:
    CSM+B: 4.3g/tsp
    Miller Microplex: 3.9g/tsp
    Seachem Equilibrium: 5.33g/tsp
    10% DPTA: 4.4g/tsp
     
  2. keithgh

    keithgh Moderator Staff Member

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    Shawn

    Unless things have changes tea spoon measurements can vary from USA to other countries.

    1 teaspoon [US] = 0.8326741854966915 teaspoon [UK]

    1 teaspoon [US] = 0.9857843197754997 teaspoon [Australia]

    1 teaspoon [US] = 0.9857843197754997 teaspoon [metric]

    If you are required to measure accurately I would certainly use scales rather than a spoon measurement.

    Then the purist would say "what about the moisture content"?

    I knew a baker who would always measure content before weight.

    Keith:):)
     
    greenfinger 2 and ShadowMac like this.
  3. ShadowMac

    ShadowMac Moderator Staff Member

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    Thanks for the additional info Keith. The small degree of variation between the measurements shouldn't matter much for our purposes.
     
    keithgh likes this.

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