All fish have died.
I do a 20 gal water change every 2 weeks. Salinity is at .021
Yes, heavy breathing, no scratching on the rocks, or spending a lot of time by the surface or return water.
Fish fed once daily. Two 802 circulation pumps, 1000 gph main filter pump. Skimmer and filter oversized for tank. No live rock and minimum sandbed.
Now, I plan to do more water changes and let the tank sit fish-free for 3 weeks.
Will my filter /tank bacteria be kept alive?
-MG
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