From: sdeyoreo@hotmail.com   
      
   On Wednesday, June 5, 2019 at 11:03:49 AM UTC-4, AK wrote:   
   > When I changed my tip on my Chinese copy of a Hakko wannabe, I saw a small   
   amount of black powdery residue that came out. I have used the soldering   
   around 50 times. Is that part of a carbon rod?   
   >   
   > Thanks,   
   >           Andy   
      
   Clean it with one of those "brillo pad" things for soldering irons. I often   
   forget and leave mine on overnight. Looks horrible the next day, but the   
   scrubbibg things cleans it right up.   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)