1. WifeInTheDark

    PH adjusting for selective nutrition?

    Hi I have a few plants that i've been told have too much phosphorous, but my natural water from taps is almost 9.0!, and my ph down is 85% phosphoric acid.......see my problem? so I saw this nifty little chart; , And i thought, If I lowered the ph to about 6.0, technically wouldn't they be...