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View Full Version : O2 levels and fish survival


Aquattro
02-19-2015, 01:13 AM
Hey, here's a cool thread to talk about O2 levels in tanks that may or may not kill fish! :)

Samw
02-19-2015, 01:42 AM
http://www.fondriest.com/environmental-measurements/parameters/water-quality/dissolved-oxygen/

Also,

Not sure why but I almost never see people consider nor accept hypoxia as a cause of death when the same fish (even previously established ones) die consistently (overnight most likely) within a week while all others in the same tank are fine and there are no visible signs of disease and there is no aerator. The others who said Flames are easy had aerators. I think this happens more often than is reported.

http://www.aquariumpros.ca/forums/showthread.php?t=30777 (http://www.aquariumpros.ca/forums/showthread.php?t=30777) "What skimmer are you using? None"