Ive been using 25g on my training partner, but many have used 27g and slin pins. So that should work for ya.
Before ya do a site injection, I would recommend trying your batch in a larger muscle. There have been some instances of severly painfull tren injections.
Before ya do a site injection, I would recommend trying your batch in a larger muscle. There have been some instances of severly painfull tren injections.