Trifecta always tasting burnt

Hey, I’ve been having difficulty with trifecta. I’ve tried all types of packs, fluff, semi fluff plus, and semi dense. And still I end up with a burnt taste after 10 min into the sesh. I’ve tried fantasia rainbow burst and had a great sesh, big clouds, no burnt flavor. I typically use two coals. Let the bowl warm up for 5-10 min.

Here’s my current setup

Hmd: aot provost