My betta has been in my new tank about 4 days now and has been fine - suddenly this morning I turn the light on and his fins are all stuck down to his body not all flared out like usual. What's wrong with him ????
I just gave him a couple betta bio gold pellets... he ate just one but at least he is eating.
I turned the filter off for a bit because I thought that might be bugging him, but I just turned it back on because I was informed that it will cause oxygen depletion in the water.
All tank parameters were normal except GH and KH which were low.
The tank is a marineland pillar tank 6 gallons came with its own filter which I put on lowest setting. I tried to give him another pellet but he didn't want it this time.
His fins do NOT look good.