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more ?'s on trace elements

I found this recipe in the archives:

EDTA sodium ferric salt (chelated iron)   40.000g   = 7.70% Fe  7.00%
MnCl2.4H2O   (manganese)                  10.000g   = 4.56% Mn  2.00%
H3BO3        (boron)                       3.000g   = 0.85% B   1.30%
ZnSO4.7H2O   (zinc)                        2.000g   = 0.73% Zn  0.40%
Na2MoO4.2H2O (molybdenum)                  0.250g   = 0.16% Mo  0.06%
CuSO4.5H2O   (copper)                      0.025g   = 0.01% Cu  0.10%
CoCl2.6H2O   (cobalt)                      0.025g   = 0.01% Co  
                                    total 55.300g

Has anyone tried this?  Is it equal to chelated trace elements?
55.3g is 121 lbs, that's a lot!!!  Could quarter it:

EDTA sodium ferric salt (chelated iron)    10.0g
MnCl2.4H2O   (manganese)                   2.5g
H3BO3        (boron)                       0.75g
ZnSO4.7H2O   (zinc)                        0.5g
Na2MoO4.2H2O (molybdenum)                  0.0625g
CuSO4.5H2O   (copper)                      0.00625g
CoCl2.6H2O   (cobalt)                      0.00625g  
                                    total 13.825g

enjoying the sun in portland