cal.+mag

  1. OlderGrower

    Cal.+Mag. or Cal.+Sulphur after week 5 of flower?

    Hello all, I saw a chart, not sure who created it or exactly where it was I saw it, but on the chart I saw, they said that the 1st 5 weeks of flower Cal.+Mag. was needed then weeks 6 through harvest the plant needs Cal.+Sulphur. Is this something any of you do or recommend? I am presently at...