Plant looks healthy. Add a small fan for some circulation. It will make a difference during flowering. As for nutes, GH is good; Fox Farm is better. GL!
Not just the families of the victims but also the family of the assailant and the assailant himself. Praying for peace is where its at though. Definitely need peace.
Not here to stir up any arguments on gun control or anything. I just really needed to say that the shooting has been bothering me since I heard about it this morning. These school shootings always hit me hard and bum me out. There needs to be less hatred and more love for one another, you know?
Epsom salt isn't actually a salt at all. It's actually Magnesium Sulfate. Epsom salt will not dry or decompose the roots. Regular rock salt would be what you're talking about.
The only thing that stands out to me is the light cycle. Why 17 hours and not 18? I see people try to squeeze in more light (like 24) but never less for veg.
Four days isn't anything I would panic about for the seeds. Good luck with the grow, man! I find these AeroGardens kind of neat.
That sure is a fancy looking setup, MMG. I like a nice clean setup like that! I hope that plastic film is enough to support those plants once they become big, though.
Nice work!
Good luck with this one, man. There are so many different kinds of cactus that look so much like each other. I have had dozens of cactus and very few ever get id'd on the web. It kind of looks like this one...