I also have this problem right now. A lot of the bubbles are from algae, but not quite all of them. I believe this is denitrification, correct? If so, I wonder why because my nitrates are in the 5-10 range right now. What should I (we) do to alleviate the problem?
92-gallon corner tank, 100lbs of LR
, 140lbs of sand, 250watt 10,000K MH
, 110watts of actinic PCs, Mag 7 return, custom refugium, AquaC EV180 w/ Mag 5
Female lyretail anthias, eyelash blenny, tomato clown, saddleback clown, firefish goby, 2 sand-sifting stars