I made this little video today.
These are in my refugium that is attached to my 20 gallon Mandarin tank.
Are they PODs or something else?
I know the video is not HQ... it was shot with a PENTAX W90... but you will get the point.
If anyone has ideas, let me know.
http://www.youtube.com/watch?v=VL4DA...ature=youtu.be