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1. Product description
The Aqua Medic Schwefelnitratreductor SN Blue consists of the following parts:
- Reaction vessel (height: 35 cm, volume approx. 5 l)
- Filling with Aqua Medic Hydrocarbonate and sulphur beads
- Drip counter (14)
The water inlet and outflow and the circulation pump are placed in the lid at the top of the reactor.
Available spare parts: Please refer to www.aqua-medic.de.
2. Theory
In the Aqua Medic Sulphur-Nitratereductor, the aquarium water is treated under oxygen
conclusion. With the absence of oxygen, many bacteria are in the position to use nitrate as
replacement of oxygen for breathing.
The oxygen is used for respiration, the nitrogen is separated into the water. Nitrogen gas (N2) is
completely harmless as a natural component of air.
Thus, the decomposition of nitrate is a pure breath procedure. Additionally, also the bacteria need
food as any other organisms. For this reason, the nitrate-reducing bacteria must be fed. The
sulphur beads serve as food which are used at the same time as settlement substrate. Sulphuric
6
1. Filter housing
2. Filter basket
3. Handle for filter basket
4. Round grid
5. Rubber sealing for pressure pipe
6. Lid incl. pump and plug
7. Housing's sealing
8. Cap for pump housing
9. Reducing nozzle
10. Water inlet 6 mm
11. CO
-connection 6 mm
2
12. Water outlet 6 mm
13. T-piece for water inlet (no
picture)
14. Retaining plate incl. bracket and
drip counter (no picture)
15. 6-mm-connecting hose (no
picture)
16. Sealing clamp
17. Clip for sealing clamp
18. Trim
19. Rubber foot
20. Screw for rubber foot
21. Bottom plate
22. Sealing ring for PG 13,5 sealing
cap
23. Sealing cap PG 13,5
24. Port with thread PG 13,5 for pH-
probe (probe not included)
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