no i know wat the numbers mean, l just wondered like do the NPK of my veg plant food have to be similar to my NPK flowering plant food.example: veg= 5-3-1 and my flowering= 1-5-3 or somthing similar like that or can i just use veg= 30-15 15 and for flower use 1-4-7..i dont know if this helps u understand what i am saying..my main thing im trying to get at is do the numbers have to be similar or should the numbers be pretty close