powders

Hey guys I have been in the game for over 12yrs, I'm 39yrs old and I am looking to start making my own gear because I am tired of not knowing what I'm getting and I have seen the prices go through the roof over the last couple of years..I am new to the site and I have been reading and I have...

Had some home brew Deca powder sitting around for a bit in an air tight container. Went to dig it out today and found that its turned a brownish color. Anyone know from experience if its safe to use? Thanks