Quote Originally Posted by LOC NAR1958
Dude, if you don't know where you start from How do you know where you end up. It is most critical. You can get by mixing nutes but PH is king. Below 5 and nute lockout .Up into 6 and nute lockout.
While I do agree with pH being the absolute lowest common denominator in hydro growing, I have to call you on your pH facts. Since when is into pH 6 range of lockout inducing potential? Far as I knew 6.5-7 is optimal