JR PETERS JACKS PROFESSIONAL M.O.S.T TRACE ELEMENT FERTILIZER - 25LB

Interesting, it is much more concentrated than peters S.T.E.M. a similar product by the same company with 10X boron,18X copper, 8X zinc but iron only 1.6X, compared to S.T.E.M.. With S.T.E.M. being liquid and chelated partly explains it but the instructions show similar rate of use ( CLF .25 oz/100gallon) with corresponding increases in element concentration in the resultant solution , Does not add up , something wrong, at 10X boron could be too much for many plants as an example. Properly used could reduce costs for micros but it is not chelated and has relatively low iron.