Hero420
Member
Greetings everyone 
Lately I have been compiling the elemental ppm measurements of different commonly used hydroponic fertilizers and thought I would share it with you all. Hopefully this will help some with comparison in order to notice similarities as well as differences.
GH micro 7.5ml & GH bloom 15ml per gallon
N 114
P 99
K 171
Ca 122
Mg 68
S 46
Si 0
MaxiGrow at 5g per gallon
N 112
P 29
K 154
Ca 79
Mg 26
S 40
Si 0
MaxiGrow/MaxiBloom 50%/50% at 5g per gallon
N 99
P 57
K 154
Ca 73
Mg 36
S 46
Si 0
MaxiBloom at 5g per gallon
N 66
P 86
K 154
Ca 66
Mg 46
S 53
Si 0
MegaCrop at 4g per gallon
N 95
P 32
K 158
Ca 75
Mg 27
S 42
Si 1.6
VegBloom at 5g per gallon
N 105
P 29
K 143
Ca 92(R/O formula) 132(Hard and Dirty formula)
Mg 33
S 59
Si 0
Master Blend 3 part (MB Tomato & Veg/Calcium Nitrate/Magnesium Sulfate) 2g/2g/1g at 5g total per gallon
N 101
P 41
K 167
Ca 95
Mg 29
S 34
Si 0
Jacks Hydro 5-12-26/Calcium Nitrate/Magnesium Sulfate 3g/2g/1g at 6g total
N 119
p 41
K 171
Ca 95
Mg 76
S 101
Si 0
Hydro-Gardens Chem-Gro 4-20-39/Calcium Nitrate/Magnesium Sulfate 2g/2g/1.3g
N 101
P 46
K 171
Ca 95
Mg 34
S 44
Si 0
***COMMON ADDITIVES***
Monopotassium Phosphate at 1g per gallon
P 60
K 75
Epsom Salt at 1g per gallon
Mg 26
S 34
Calcium Nitrate at 1g per gallon
N 40
Ca 48
CaliMagic at 2ml per gallon
N 6
Ca 32
Mg 10
Armor Si at 1.5ml per gallon
K 15
Si 44

Lately I have been compiling the elemental ppm measurements of different commonly used hydroponic fertilizers and thought I would share it with you all. Hopefully this will help some with comparison in order to notice similarities as well as differences.
GH micro 7.5ml & GH bloom 15ml per gallon
N 114
P 99
K 171
Ca 122
Mg 68
S 46
Si 0
MaxiGrow at 5g per gallon
N 112
P 29
K 154
Ca 79
Mg 26
S 40
Si 0
MaxiGrow/MaxiBloom 50%/50% at 5g per gallon
N 99
P 57
K 154
Ca 73
Mg 36
S 46
Si 0
MaxiBloom at 5g per gallon
N 66
P 86
K 154
Ca 66
Mg 46
S 53
Si 0
MegaCrop at 4g per gallon
N 95
P 32
K 158
Ca 75
Mg 27
S 42
Si 1.6
VegBloom at 5g per gallon
N 105
P 29
K 143
Ca 92(R/O formula) 132(Hard and Dirty formula)
Mg 33
S 59
Si 0
Master Blend 3 part (MB Tomato & Veg/Calcium Nitrate/Magnesium Sulfate) 2g/2g/1g at 5g total per gallon
N 101
P 41
K 167
Ca 95
Mg 29
S 34
Si 0
Jacks Hydro 5-12-26/Calcium Nitrate/Magnesium Sulfate 3g/2g/1g at 6g total
N 119
p 41
K 171
Ca 95
Mg 76
S 101
Si 0
Hydro-Gardens Chem-Gro 4-20-39/Calcium Nitrate/Magnesium Sulfate 2g/2g/1.3g
N 101
P 46
K 171
Ca 95
Mg 34
S 44
Si 0
***COMMON ADDITIVES***
Monopotassium Phosphate at 1g per gallon
P 60
K 75
Epsom Salt at 1g per gallon
Mg 26
S 34
Calcium Nitrate at 1g per gallon
N 40
Ca 48
CaliMagic at 2ml per gallon
N 6
Ca 32
Mg 10
Armor Si at 1.5ml per gallon
K 15
Si 44