Regulalor Problem...

Crap... My compressor's regulator gt problem... thr's this murky brown thing in the regulator and I can't seem to clean it... how?

HG G-Exes Update 3

Just a small update. Done with the shield and weapons and my friend just said that he would return my airbrush next wed! :) Hopefully can finish priming and post the next update by nxt fri..

Sry if pics are blur, taken with my phone camera..