I just purchased my multi-colored betta yesterday and he seemed fine. But today I noticed what appears to be a small spot of white fuzz on one side and possibly missing scales. He is eating good and swimming around some but not alot but I don't know if this is normal or not. He doesn't appear to be running into stuff or anything but I didn't know if this is what they call "ich" or something else. Can you help me treat this or where I can go for help? He is in 2.5 gallon tank with bottled drinking water. It normally stays around 75 degrees. His tankmates are 2 gold snails and 1 small cory catfish. They all appear fine. Please HELP!!!!