Not necessary , but you can use additional. remember don't mix organic with non-organic nutrients use separatly for best results use in flower stage. What else are you consider-ing ?? what are the n-p-k amounts ?
Plants use proteins and light to make sugars to store their specific energies. You replace that with foreign sugars and you've wiped out that plants natural energy. Your bud now is Budcandy. No longer a natural strain.