May have been when I aquascaped. Should I leave it or try get rid of it ?Anoxic refers to an oxygen depleted area. This also occurs naturally in the ocean.
The bubbles normally occur when you add the water after the substate is in place. They become starved of oxygen and then they can feed bacteria like cyano.
This is some weird info, really think that has happened in my small tank ?Heres a nice explanation on Wiki regarding sea water,
. Anoxic sea water - Wikipedia, the free encyclopedia
Jacques I have to ask where are you going with this link above.
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