Yeah I meant, mostly the labs that are selling finished product. Most guys probably couldn't tell the difference between shooting Enanth. or Cyp., especially if they haven't much cycling experience.
As for washing the powder, from what I've read, the process seems like you have to have actual chemistry knowledge in regards to tools and technique. To me it's not something most of the dudes brewing at home for personal use would dedicate to learning or taking the risk to accomplish for themselves, sadly. I for one am always seeking knowledge about this shit, it's so intriguing.