What's wrong with my fish?
Im worried that something's wrong with my glo fish I have.
For context:
I've had a bunch of fish (one of them is the purple glo fish, I had 5 others then too) since 2021 in a 5 gallon tank.
No cycling. I didnt know about dechlorinators, ammonia, nitrates, etc. because then I was a kid. But now I do (16 y. o.). And then about 2 years ago I got 2 other glo fish (gifted to me, actually), and I changed the tank when I realized it was too small (also ~2 y. ago, before the new 2 glo fish).
I just recently (2 weeks ago) got a dechlorinator and these hornworts. I also have (now only 1) test strips, but im unsure how accurate they are (they only ever concerned very low possible nitrate/nitrate, or hardness (kh).
I am scared cuz they have been sometimes gasping and possibly heavy breathing and clamped fins and staying mostly in one place (they are active when feeding time). I know I should get more but, with all honesty, I dont want them. It just feels like this huge responsibility and guilt crushing me every single day. I want them to be rehomed, but my parents told that no one would want old fish...