Hi, I am new here. A couple days ago I setup a new five gallon betta tank. I read that I should do a water change a couple days after setting it up. I have a 30 gallon with tropicals in it and leave the fish in when I do the water change. When I do the change for my little betta tank, do I leave him in there? Also, how much water should I change out?
Thanks a bunch.
Thanks a bunch.