right on thanks for the help @ im4satori = So do you have a beef with me using megacrop through week 1-2 of flower and then switching to chem-gro. And is your concern with the megacrop is that because of the low iron or is it the nitrogen. is there a way to remove the calcium and magnesium from the megacrop (on paper) and tell me what that npk numbers would be. Idk its all comes down to mixing things up and getting it close and then reading the plant every plant is different even the same strain its different between each plant and how it should be fed, technically. Im going from H&G to dry. I know with the H&G what I do I'll be ok, but with the dry I have a feeling i'm ok but I dont want to screw up.