Betta Female trouble

[s3kshun62]

So I just purchased a female crowntail today from Petco. I put her into my cycled fluval until I get her a new home. She is basically by herself. I let her acclimate to the temp and I did everything you should do before introducing a fish to a new home. For the past hour she has been sitting at the bottom, looking like she is gasping for air. Mouth constantly opening and closing. Any ideas?

[Oldfishlady]

Make a 50% water change...what are your water prams for ammonia, nitrite, nitrate, pH and water temp.....any additives used? if on city water supply did you use a dechlorinator

[s3kshun62]

She sems ok now, she is still huffing a bit. I noticed last night she was racing against the back of the tank, huffing up and she had some horizontal stripping.