calcium deficiency

  1. I

    Is This A Calcium Deficiency? Newbie

    Hi guys/ gals, Here are the details so I don't waste your time reading :) *2 Plants - Blueberry Auto and Purple Haze Auto Using Bio Bizz Light Mix soil, 3 gallon smart pot, LED grow light, 60x60x160cm grow tent Temperature - 79-82F and Humidity - 57%-62% First watering - 5.6 PH table...
  2. B

    Need advice please

    I have fan leaves that are turning color and spotting (see photos) and I believe it to be a calcium deficiency but got cal-mag and have been giving half doses and haven't noticed much of a change. Most of the fan leaves got so bad that we had to trim them off. Just trying to figure out what this...