I know that this has already been a topic of discussion in another forum a few years ago, but I've been having some trouble and I thought that I would make a new forum. I've tried multiple ways of making it, yet nothing seems to work for me. I've tried dissolving steel wool in hydrochloric acid to give me FeCl2 then adding etching solution (FeCl3) and NaOH which should precipitate out the Fe3O4, but all it gives me is a reddish/brown solution with a lot of mushy gunk in it. I tried filtering this then putting a magnet next to it, but it did nothing. I think this is the equation for this reaction FeCl2 + 2FeCl3 + 8NaOH --> Fe3O4 + 8NaCl + 4H2O Another way I tried was dissolving some steel wool in the etching solution which should have given me FeCl2 then mixing that in a 1:2 ratio with more etching solution and adding ammonia to that. I got the same reddish/brown stuff. the equation for this one i think is FeCl2 + 2FeCl3 + 8NH3 + 4H2O --> Fe3O4 + 8NH4Cl any suggestions?