if the bubbles you are talking about are in the middle of the pic than i think that it is the beginnings of cyano. this is not that unusualy in a new tank, but it should be removed to export the nutrients that it has captured. here is my favorite cyano thread. lots of good reading.
OH, almost forgot.
Welcome to TRT!!!
1 - 2 of 2 Posts
This is an older thread, you may not receive a response, and could be reviving an old thread. Please consider creating a new thread.