Who Gives A Fish Forums

Hi, thanks for the response.
I'm a bit unsure about his fins now - were they always like that or did the fin rot start at the pet store? The tank is 8 gallons and the heater's been keeping the temperature around 25C.

Hi,
I recently got my betta and set him up in a tank that had been running for a few days.
The tank had been conditioned and the filter and heater were on for 3 days before I introduced him.
I've been keeping an eye on the temperature and it's been steady between 25-27 degrees Celsius.
I checked ...