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Originally Posted by Ben7 makes me wonder if the air could be something other than CO2?? Wouldn't CO2 be taken up by the water after that long? Could other gasses (O2, N2, etc) be mixed with the CO2 that don't dissolve as well? |
Again, I don't know, but I would imagine that yes, it could be some other gases. But again, if your pH is okay and drop checker is showing light green, I don't see any reason to worry about it. If it is really bothering you, then open the bleeder occasionally to release all of the gases and start over. I just don't do that very often because I don't want to waste the CO2, and because as they say, "If it ain't broke, don't fix it".
Andy