I'm fairly new to betta keeping, but I decided to take my boyfriend's veiltail fish in addition to my own. (He couldn't keep him anymore.) I tried my best to cycle his new 1.5 gal tank before putting him in, but I'm guessing I did it wrong because the next day I saw a rip in his bottom fin, and a piece missing from his tail. This was about 2 months ago.
I started by taking him out and putting him in his old tank, .5 gal and treated with this stuff: http://www.petco.com/product/102424/...t=OnSiteSearch
It looked like he was getting better, so I put him back in the new tank (after cleaning everything and again trying to cycle for a week) and once again, ripped fins.
Tried just leaving him alone for a bit, but his fins never grew back. Finally moved him once again into the smaller tank and treated him with this http://www.petco.com/product/10673/A...sultRedirect=1
every other week for the next month, and he stopped losing fin but never regrew anything. I really hate his old tank, it's too small and I can't put a filter in, so finally last week I moved him into the bigger tank (again cleaned completely with new gravel and attempted cycle, and this time with a live plant) and he's losing fins again! I have no idea what I'm doing wrong, I had my water tested at PETCO and they said everything is fine, though I don't have numbers. I do 50% changes once a week.
All the other stats:
Tank mates: no, live plant
Food: Hikari Betta Bio Gold 1 or 2x daily
Water changes: 1x a week, 50-75% depending on how clear the water is
Additives: Just a dechlorinator
Petco fish rep tested Poseidon's water and said it was fine; I'm sorry I don't have numbers
Appearance: Ripped and broken fins.
Behavior: Still spunky and active
Noticed: ~2 months ago
Treatment: Links to my medicines above.
History: Not before the new tank, no. I hope I didn't cause it somehow :(
Age: I guess about 1 year? He was purchased in August 2011
If it makes any difference, I have another betta, a crowntail, that I care for the same way and he has never had a problem. I've had him since July 2011
Thank you so much for any input or help. I'm so confused, I just want him to get better ;_;