I know this is an old thread, but has anyone considered that the PHOSPHORIC ACID would help root development as well as flower production if poured directly into the soil (not sprayed on leaves). I wondered the same thing, since Blackstrap Molasses accomplishes much the same thing(one tbsp/gal water approx) ...any true horticulturists or botanists, or experienced growers who could offer some insight without sounding like a hater? PEACE ALL