I just posted this in the Betta care forum, but think it's more appropriate here...
I've just joined this forum because I'm looking for help. The nearest pet store is a petco, and the advice is different depending on who I ask.
I've had my Betta, Anguel for a year and 9 or 10 months. He's the first fish I've ever owned. He lives in a one gallon tank, no filter, a couple of fake plants and some rocks.
About a week and a half ago I noticed Anguel's fins starting to recede. I did a full water change, and for the first time I added aquarium salt and API bettafix to the water in addition to the usual API Betta water conditioner. I continued to use the API bettafix every day for a week. I have since done another full water change, and a 50% water change. I also added a thermometer and small heater to his tank which keeps the temp 76-78. Before the water was around 62-64. It seems his fins have stopped receding, but his gills are swollen and red, his head has become splotchy red, and his front fins have turned red and white. His eyes are also red. He is dark blue/purple originally. I've been thinking maybe he as ich, because he darts around the tank and makes contact with the plants and whatnot. But he doesn't have the "covered in dust" look. If I shine a flashlight on him, I do see some sporadic white spots on his fins. He is still very active and not lethargic, but there is obviously something wrong. I can't figure how to treat him. Please let me know if you have any idea what this could be or how I could treat it.
I did a full water change, used conditioner and salt, but no bettafix. I took some pictures before the water change.