microbubble help

So basically this tank was set up last 2 weeks ago i transferred the old medias and some of the live rocks from my 55gallons going into a 120gallons and i dont know what are these cause i think it is the reason why my water is a little cloudy because of these microbubbles coming from the rocks...

I have a reef octopus 1000 protein skimmer and I turned it off in order to do a water change and now it's making a lot more microbubbles than before. I've had this since March. I tried tuning it up and down, but the microbubbles are still there. This photo isn't my protein skimmer, it is a...