Eno Posted March 23 Share Posted March 23 I have a couple flag fish and zebra danios in a 20 gallon long. I noticed the flag fish lacked color and would not eat (danios have been fine) yesterday and did a large water change (50%). I saw some improvement in color but today they still will not eat. I did another small 25% water change and did a level 1 salt dose as well as cleaned out the sponge filter in the used aquarium water. Shortly after the water change I noticed that all my fish are now swimming at the bottom of the tank. I also see a slight haze in the water that was not there before (I assume this is just sediment being kicked up from the sponge filter clean) I do not know what to do now? picture included. Did I just kill my whole tank? I did use Fritz Complete during my water change and below is are my water parameters. PH - 7.2 Nitrate - sub 10ppm Nitrite - 0 Ammonia - 0 KH -120PPM GH - >301 Temp - 73 F Link to comment Share on other sites More sharing options...
Colu Posted March 23 Share Posted March 23 Your water parameters look fine they could just be stressed and trying to hide Link to comment Share on other sites More sharing options...
Eno Posted March 23 Author Share Posted March 23 Looks like most have bounced back now. Still see a couple looking sluggish. Keeping my fingers crossed. Link to comment Share on other sites More sharing options...
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