Aqua Medic Ocean Runner 3500 Operation Manual - Page 7

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Volume app 10 l).

The reaction vessel is filled with

Bactoballs. In the top of the filter,

the circulation pump (recirculation pump with a capacity off 300 l/h ) is placed.

One little box with Denimar tablets to feed the bacteria.

Nitratereductor

1. inflow with drip counter

2. opening for redox electrode

3. opening for feeding

4. Bactoballs

5. pump suction

6 circulation pump

7. outflow

Fig. :Nitratreductor

Theory

Nitrate is coming into the aquarium via 2 different paths:

- with the tap water, with every water change or with the replacement of the

evaporated water

- by biological reactions in the aquarium.

These biological reactions are responsible for the farmost biggest part of the increase

of the nitrate level.

How is nitrate produced in the aquarium?

When the animals are fed with dried, living or frozen food, proteinaceous substances

get into the aquarium. These are the basics of the diet for the animals. A big part of