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I'm working on a spread sheet for making DIY hydroponics ferts for emersed people.

Can someone (Edward ..hint hint;)) check these numbers

Suppose I add 100grams (just a number for the sake of calculations) of the following and add enough water to make 1000mL solution (assuming 1g/cc mixed):
KNO3
NH4NO3
KH2PO4
MgSO4
K2SO4
Calcium Carbonate
Plantex CSM+B


This will result in the following concentrations:
N 4.30%
K 11.60%
K (K2O) 10.89%
P 2.28%
P (P2O5) 5.23%
Fe 0.65%
S 5.33%
Ca 4.01%
Mg 2.16%
B 0.118%
Mn 0.187%
Mo 0.005%
Zn 0.037%
Cu 0.009%


Is my math correct here?

Thanks!
 
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