Quote:
Originally Posted by Reefmack  If you have a buildup of brown gunk on the bottom neck of the cup, and top of the skimmer chamber, that's where the skimmate is being deposited. |
Maybe I'm not talking about the same thing? I'm talking about the inside of the cup. There will naturally be some gunk on that part of the cup because the bubbles carrying the gunk travel up it no? Kind of like the tube of your remora in this pic (btw, what skimmer do you have today reefmack?):
