12 x 50 litres:
9 x 54 litres and 3 x 45 litres plus 16 x 30 litres:
I also have 8 x 16 litres for the species that go outside in the garden in summer.
All tanks are lit with LED-lighting and filtered with air-driven HMF-mats. I have no heaters running.
A few closer shots:
My old fishrooms:
For a short while I went really crazy. It was too much though! 100+ tanks...
My first fishroom, mainly for breeding Corydoras: