surferbum6900
Well-Known Member
so silica and cal-mag.Its a mag and cal supplement its either called magi-cal, or cal-mag. In hydro you need three things that is not in your plant food.
One silica, you can buy it hydro shops it's to help stress and help to build thicker stems. Its called Pro-tech
Two Cal
three mag
Sorry I would spell them out but can't lol
i will update when i get the product