Post 376915 (missing)
(Hammer: "Here is the text of an old write up, this might ...", Chemicals & Equipment)Post 398891 (https://www.thevespiary.org/talk/index.php?topic=8867.msg39889100#msg39889100)
(abolt: "Using a cheap Hydroponics inline fan as a fume", Methods Discourse) :)http://ishor.com/refining.htm (http://ishor.com/refining.htm)