Fig. 2: Aquarium:
1. Inflow compartment
2. Removable pre-filter sponge
3. Trickle plate
4. Trickle filter
5. Clean water compartment
6. Bore-hole for backflow
7. Grate
8. NanoProp 5000
9. Rubber sealing ring for NanoProp 5000
10. Inflow grate
11. Overflow comb
12. Adjustment plate for skimmer
13. Current pipe with ball joint
14. Pressure pipe for return pump
15. Powerfilter PF 1000
16. Filter basket
17. Filter sponge
19