Help! Fish breathing heavy, loss of appetite

[George]

Originally Posted by S0K

Salinity is 1.009 now after water change, I'm using a Refractometer. I said 1.009-10 because it fluctuates due to water evaporation
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yeah...I don't know if you have an ATO but usually when people do hypo, they set the ATO to a tight range so that salinity doesn't change. 1.010 is not going to work against most strains of marine ich. Heck, even 1.009 is high for some strains.