I am currently using the juwel helialux smartcontrol with the helialux spectrum bar.
It's a very cool thing.You are able to create lighting profiles for your tank over a web interface and assign different profiles to different days.
It's also possible to simulate coulds^^.
There is also a...
What about Severum's mates in a juwel rio 180 (50 gallons) tank.
There are:
Sumatra barbus - 10;
Rainbow fish ((Melanotaenia praecox) - 9 (grows to 6cv long)
Labeo bicolor 1
SAE (siamese algae eater) - 3
Botia lohachata - 3
And three Severums, which are small (about 7 cm)
It seems like like its...