I found this while cleaning burn pot. Does anyone know what it is?

5 Comments

1. 

   The_Jib 3 days ago

   What kind of pellets you using ?

2. 

   Rowan_Productions 3 days ago

   Clinker

3. 

   Geologist1986 3 days ago

   Clinker.

4. 

   midwest73 3 days ago

   https://i.redd.it/z2viklxwoprf1.gif

5. 

   OriginalOk8371 3 days ago

   Looks like the pellet ash got moist and clumped up