My daughter got a betta fish on 6/7, so I am playing "catch up" learning about the nitrogen cycle and how to care for her new fish. We put him in a 5.5 gallon tank with a filter and heater. The filter we are using is an Aqueon QuietFlow X-Small - I think it is a carbon filter. Is there a better filter for him? The one that came with the tank seemed too powerful, even on the lowest setting (it was a Top Fin 10 gallon filter), but this Aqueon one doesn't seem to bother him as much - he seems to be getting "braver" and has swam past it a few times. I'm not sure when I change the filter cartridge on it, though. His water looks like it may be starting to cloud up - perhaps from the less powerful filter (?)... which leads me to, should I do a water change? We are, unfortunately, doing a fish-in cycle with Prime every other day and Stability daily. I am a little confused on if I should change the water just yet and, if I do change the water, how much I should change. I just ordered the API test kit, but I have the SeaChem ammonia and pH alerts inside his tank (ammonia is "safe" and pH is 7.4). We added a catappa leaf the other day. The fish seems to be doing okay, although he's keeping his top fin down - I'm guessing due to the cycling/stress of a new tank? The fin looked nice and "full" when we first got him, but I haven't seen it look "full" since. I've added photos of this as it is concerning me. He otherwise seems good, is eating when fed (I also just ordered some higher quality food for him) and he usually swims to us when we approach the tank. He has been hiding some in his silk plants and he has a floating log, but has not gone in it. Any advice/help on what else I need to specifically do to help him is appreciated! This is all pretty confusing! Thank you!
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