Hi,
Ok so i started a 20L tank 2 weeks ago, 10 small neons, 1 small Angel and 2 Guppies.
They were all fine up until 2 days ago.
1 week ago i got 2 Cherry barbs, they looked a bit aggressive but calmed down.
However i have now lost 5 of my Neons and 1 barb, i awoke this morning and found 4...