I dunno, its still in flower - day 47ish. I don't think I'd do it to a seed, the yield is going to be next to nothing, plus a seed would get rootbound in that cup in no time. Maybe a gram or two - lol an 1/8th? I just had an extra clone cause I cut too many and they all rooted - I couldn't throw it out. That would be mean! I wanted to see what no nutes and my high ph water did