Locrian99
New member
Hey guys I’m using raw silica as a supplement to my grow. Fox farms from what I can tell doesn’t offer a silica additive so I went this route. My question is for those of you that use silica when do you phase it out. The manufacturer of the silica recommends until the end, but they also claim it won’t effect PH and it makes it go up .3 when I add it, so I’m skeptical. I’ve seen other feed charts recommend just a few times during the entire grow. Thanks