How can I tell if Lex has fin rot or if it's just a tear? I've read that with fin rot, the tips are black/gray/white. I don't see any color difference at the tips. However, it does look like the fins are receding a bit. If for some reason it isn't fin rot and I still treat him for it, would it have any negative effects on him?
Here's some more info that may helpful.
What size is your tank? 1.5 gallon
What temperature is your tank? It's at 76 right now. It's never consistent, ranging from 74-84. I have to keep monitoring the tank because my heater can overheat the water sometimes.
Does your tank have a filter? Yes, it came with the tank. I use the whisper bio bag inserts.
Does your tank have an air stone or other type of aeration? No, I don't think so.
Is your tank heated? Yes, I have to keep turning it off and on though. It not an adjustable heater. It just stays on all the time.
What tank mates does your betta fish live with? None.
What type of food do you feed your betta fish? Tetra BettaMin flakes.
How often do you feed your betta fish? twice a day.
How often do you perform a water change? I've only had him for a week and 2 days, and so far I've done 2 100% water changes. Plan to do one this evening.
What percentage of the water do you change when you perform a water change? 100%
What type of additives do you add to the water when you perform a water change? Just the water conditioner. I should also note that with the 2nd water change I did add some gravel and new tank decorations.
Have you tested your water? No
Symptoms and Treatment
How has your betta fish's appearance changed? just the fins
How has your betta fish's behavior changed? It hasn't.
When did you start noticing the symptoms? Saturday, when I did the water change and added the decorations
Have you started treating your fish? If so, how? No, I don't want to treat him for fin rot unless I know for sure he has it.
Does your fish have any history of being ill? Not since I got him on the 15th.
How old is your fish (approximately)? I don't know, he was a prize/gift.
I'll try to get some pictures up, but it's tough to get a good clear pic of his fins.