been running my mt vernon at for a couple weeks now on and off with the t-stat. the glass seems to get fairly dirty. i am using okanagan pellets. anything i should try change?
Sound like you need more air. The glass is gonna get dirty but it shouldn't be black.

![[Hearth.com] dirty glass [Hearth.com] dirty glass](https://www.hearth.com/talk/data/attachments/79/79724-e772effcc96e14a8568122e9334e8b1b.jpg?hash=z_Dtgej4lC)
We use essential cookies to make this site work, and optional cookies to enhance your experience.