I've brewed for a while, and I used to be a homebrew member of chase Irons' channel. He told me he has used heat, and no heat with his tren brews. The heat never correlates with the color for him, nor me either. It is always the batch of raws. The best tren I ever brewed was using no actual heat on it, but the raws themselves smelled like cocaine (don't ask me how I know the ether smell of good coke
) when I got my package, I opened the box up and could smell the cocaine smell without opening the tren up. Surprised the smell didn't trip any suspicions lol
It just so happened to be that the very strong smelling raw batch made some of the darkest almost amber colored product I've ever used. Just a thought