Eternal_Ghost
Member
So I heard from my local hydro store that you can add epsom salts to your res to cheap remedy a Mg deficiency, Does anyone know how much? I heard 4 tsp per gallon for foliar spray but how much for res? I have 5 gal res and added 1/2 cup and now ppm's are through the roof (2000+) ![Plant Grow :plant grow: :plant grow:](/data/assets/smilies/plantgrow.gif)
![Plant Grow :plant grow: :plant grow:](/data/assets/smilies/plantgrow.gif)