Let me see ,,, fluffy powder, the piney fruity smell, honestly, didnt do the melt test bc i know the smell, an nvr had a prob before,,added ba,bb, gso to pyrex beaker, proper measurements of coarse,, put it in water in a pot, slowly turned it up,,added powder,, stirred with glass rod until dissolved , stirred a few min more, not to bubbling boil, let cool a lil bit, poured in filter, bottle top, to media bottle,pyrex, my fingers hate caulk guns , small filters etc. In the media bottle, there was an amount of crystals .i did reheat for a bit,since it has pretty much went away, except looking a lil swirly in there. I pinned a few cc's. All is good... materials,, sterile gso.,ba,bb, new pyrex beaker, pyrex media, top filter, glass rods, i might have forgot a few minor things, glass was washed with distilled water, baked 1hr, 350 ish. Then aluminum foil topped.