What Is Ths Best N,P,K To Use?

I was trying to find out whats the best N,P,K combanation to use during the viggie and the budding stage, Thats my main problem is I over fertilies and under fertilies so can some one help I realy aperchate it

12 6 6 for grow and 5 10 5 for flower,is what i use

Ok Thanx Alot For Your Help,