Okay, I started up my skimmer today after letting it sit for 10 days. When I started it, It is spewing microbubbles bigtime out the exhaust outlet. I didn't change anything from 10 days ago. Does it need to cycle again?
Why did you let it sit for 10 days? (just curious)
and I would probably let it run a while....some skimmers (like Octos) will produce bubbles after w/c's, feeding, adding vitamins and stuff like that
at least mine does