I use it to feed the soil bennies, not the plant.
Once a week I do this (I call it my soil boost):
Per gallon:
5 ml Neptune's Harvest Fish and Seaweed
5 ml Earth Juice Hi-Brix Molasses
5 ml Grow More Bio-Cozyme
That works out to 1-1.5-2
ppm is 26 N, 40 P and 53 K
Costs me $.11 per gallon...