240 Ltr tank, using RO, heavily planted.
Ph 6.5
Ammonia 0
Nitrate 5-8ppm
Nitrite 0
6 Bronze corys
1 Sterbai
17 cardinal tetras
2 german blue rams
5 marble hatchetfish
I've had the corys for about 3 months now, and obviously, as they don't come out much in the day, I haven't seen much of them...