I USE x nutrients , AND ITS MY FRIST TIME TO GROW AND I'VE BEEN USING IT SINCE NOV .... WHAT I'VE SEEN AND PUT SIDE TO SIDE WITH OTHERS NUTRIENTS . IS THAT ITS REALLY FOR PEOPLE THAT R JUST STARTING UP.... I'VE DOUBLE DOSE THEM AND THEY DNT BURN OR GET LOCK UP ....... BUT AM LOOKING TO TRY SOME...