sick betta

Hi, I am a new Betta fish owner and my vailtale male has not been doing well since I came back from winter break. I thought it was because his heater broke (I got a replacement within a day of noticing) but even with him in a healthy heat environment he has not gotten better. He has been very...

Someone please help me! I recently found out my beautiful betta has dropsy and I don't know how to help him. I have bought melafix and I am adding that in the tank but it doesn't seem to be making a difference. does anyone know what else I can do to save his life? it is definitely dropsy as his...

I have a koi halfmoon betta in a 2.5 gallon tank. I've had him for about 4 months now, and only recently moved him into this tank. Well for one the flow of the tank is pretty strong. Any suggestions on slowing the flow? The intake of the filter also seems to be pretty strong... I just turned it...