Please see:Housing : How many gallons is your tank? 12 gallons now, but used to fill it up before to 18-19 gallons to *nearly top out the 20 gallon tank. Does it have a filter? Yes* Planted with live plants. Does it have a heater? Yes What temperature is your tank? 79.9 f Does your tank have an...

Hi! I just joined here, so sorry if I make any mistakes.;-) I have a vailtail betta named Sam, who I think is about a year old. He is blue/ green, very pretty. I got him from Petsmart about 7 months ago. He had mild finrot for a while, which got better. I think it was from being in the crappy...