I have the Marineland 100 skimmer and it just seems the performance is varied. Some days it will produce a ton of brown junk and other days the bubbles just sit there and don't do anything. Could it be due to the evaporation in my refugium? I've had it just about a month now. When it works it's awesome! But I can't stand having to constantly adjust it.
Or could it be that I have the water level to high for the skimmer to operate efficent?
This is the skimmer here: