Hey there and welcome to the site.
As per the rules of the site that you agreed upon when joining :-
Specifically, you may not:
use Bluelight in any way, shape or form for unlawful purposes, including, without limitation:
attempting to solicit, obtain sell or supply contraband substances or substances of a quasi-legal status or information on how to do so;
posting or exchanging any information on ongoing or future criminal activity, any information which can be construed as discussing such activity or actively encouraging others to engage in criminal activities;
Now correct me if I'm wrong but I'm sure the production of Meth is a criminal activity!
On saying that, if you have a look around the site there are a lot of threads on the production (process) of meth-both lab and shake and bake, you may just find something that your doing wrong etc