Hi All,
I've had my tank set up since Xmas and all is going well. I've got a 60l biorb, I have 4 lemon tetras, 4 zebra danios & 4 male guppies. I wanted to add something new, so I've got myself 6 neon tetras today. I've added them all fine, acclimatised for 5 minutes in the tank, then slowly...