Both of my fish are really worrying me. My blue fish Adonis is a tail biter and recently it has gotten worse and I'm just afraid that he's got fin rot which is why I'm checkin here. The other... is spitting out food and I'm not sure how long it's been going on.
A big problem is I'm heading back to my Fiance and I's home town for four days, we're leaving tomorrow morning and coming back on Tuesday morning. I was planning on bringing them with us so I can make sure they're okay. I also have a 10gallon tank that is ready for them but I'm afraid to add them because it's pretty newly set up and I haven't been able to change the water yet but the levels are pretty good (Ammonia lower than .50, mostly 0-.25). I would want to put them in there because I'm hoping it'll make them happier and what not but at the same time I'm afraid to leave them.
Sorry about the horrible pictures. Can't get anything better :c

Adonis, the fin biter.

Vulcan the food spitter-outer
What size is your tank? Adonis 2.5 | Vulcan 1.5 (I think It's a temp. tank)
What temperature is your tank? Adonis 80 | Vulcan 80
Does your tank have a filter? Adonis No | Vulcan No
Does your tank have an air stone or other type of aeration? Adonis No | Vulcan No
Is your tank heated? A: Yes | V: No
What tank mates does your betta fish live with? A: None | V: None
Food What type of food do you feed your betta fish? Both get fed New life Spectrum and occasional blood worms
How often do you feed your betta fish? 2 Pellets in the morning 2 at night.
Maintenance How often do you perform a water change? Normally 50 every two-three days and the occasional 100%. For Vulcan 100 Percent changes. I cannot lie I've slacked for a few days because of finals.
What percentage of the water do you change when you perform a water change? See Above
What type of additives do you add to the water when you perform a water change? Prime water decholrinator (Just a drop or two)
Ammonia: both under .25 Nitrite: 0 and 0 pH: Both about 8
Symptoms and Treatment How has your betta fish's appearance changed? Adonis: Fins have been torn more and has a little pinkish color at the tip. When I first got him 7months ago at three months he used to be aqua colors and has since turned more blue, he is currently a little dull.
Vulcan: Spiting out food
How has your betta fish's behavior changed? Adonis: Kind of depressed hanging out near the bottom a little more but when I'm next to him he perks up a good amount.
Vulcan: He is a new guy since getting him he's warmed up a lot and is generally active.
When did you start noticing the symptoms? Adonis: Wednesday
Vulcan: today.
Have you started treating your fish? Not yet.
Does your fish have any history of being ill? Nether have but Adonis has torns his tail in the past when stressed or hasn't had enough attention (I know he hasn't recently due to a move in and midterms)
How old is your fish (approximately)? Vulcan: got him about a week or two ago.
Adonis: He is 7months