Quote Originally Posted by Jhlewis10 View Post
I have PLA dialed in, ABS kinda dialed in but really need an enclosure to get better adhesion. Just received some PETG to try and realized I am not sure on what is the recommended way to change filaments. I don't want to have to tear this hot end down to fix a clog.
There are a lot of variables. But I've never had an 'Enclosure' and I get perfect adhesion across 100% of my 400mm x 400mm bed every time. Try bringing up the UBL code at:

https://github.com/MarlinFirmware/Marlin/tree/devel-ubl