Aqua Medic Ocean Runner 3500 Panduan Pengoperasian - Halaman 12

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Failures.

Problems with the denitrification are mostly caused by wrong adjustion of the flow

and the feeding rate. The causes can only be determined by measuring the nitrite

and nitrate concentrations in the filter or by redoxpotential

- Nitrite in the outlet of the filter:

If the efflurent of the filter contains high amounts of nitrite, the feeding rate is too low:

Increase the feeding or lower the flow rate. In this case, mostly the redox potential is

too high. ( over - 50 mV).

- Nitrate in the outlet of the filter. High residual concentrations of nitrate often occur

together with high nitrite values. Caution! Most nitrate tests are disturbed by high

nitrite concentrations!. In this case, the redocx potential is also too high. - increase

feeding reta, decrease flow rate.

Hydrogensulfide in the outlet of the filter. The filter smells like fouling eggs. In

most cases, the redoxpotential is too low: Reduce the feeding, check the flow rate

and increase it if necessary.Ideal is a redox control with connected membrane

pump, see „Options".

3. Mounting of the filter

The under counter filter system Marin 1.000 is delivered ready to us in a glass tank.

This tank has the dimensions 54 x 36,5 x 35 cm and can be placed in the cabinet of

an standard aquarium with an overflow chamber or an overflow box. As it is an open

filter system, the cabinet should be a water proof connection..

Water inlet from the aquarium. The piping from the aquarium should be installed

with PVC pipes of 40 mm diameter.

Suction pipe of the pump. The pump is best placed besides the filter tank. As

suction pipe to the pump, a 32 mm pipe should be used.

The pressure pipe, back to the aquarium is installed with a bypass to the

Nitratereductor. The part between pump and the bypass piT piece should be installed

with a flexible hose, to minimise any vibrations, that may be directed from the pump

to the pipes. From the bypass T piece to the water inlet into the aquarium a PVC pipe

may be used.