new comer here. recently set up biocube size 8 about week and half ago. my live rock has some kind of green algae growing on it but it keeps bubbling some type of gas bubbles they are coming from nowhere. does anyone one know? they look like white half circles in the picture, because i suck at photography. i circled them in green. any help is appreciated!

look up bubble algae... don't pop them...

eh ill put my bottom dollar its just bubbles from the tank. I had microbubbles everywhere when i first set mine up, which is what stage youre in, i see no pic so im jus goin off of what im reading. Like if i turn my koralia on when im doin a water change, and the top of it can suck in air, i sware a billion bubbles are in my tank, takes a day or so to get um all out, if it is microbubbles theres just some chemical attractoin between what ever it is and O2 that they would rather attach to that instead of other things in the tank, but hten again never rule out diatom or bubble algae as the other guys said.

humm....... my thought is..... put phosban in your filter, clean your skimmer more often, feed less, and i guess questoin your lighting? perhaps if its really persistent hand clean your rocks.... i think boss did that

Diatom Algae with microbubbles, and bubbles from substrate working their way out.

All part of the cycle, dont panic yet

So yeah, if you post something half way interesting, most likely we will reply...... We'd like to see pics of your entire tank in general as well