Aqua Medic Nitratereductor NR 5000 Operation Manual Download

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Operation Manual for the

Nitratereductor 5000

Denitrifying filter for fresh and sea water aquaria up to 3000 l.

With the purchase of this Nitratereductor you have selected a top quality product. It has been
specifically designed for aquaristic purposes and has been tested by professionals.

With this unit, you are able to reduce the nitrate concentration of your aquarium water
efficiently to a harmless level.

Summary of Contents for Nitratereductor NR 5000

Page 1: ...to 3000 l With the purchase of this Nitratereductor you have selected a top quality product It has been specifically designed for aquaristic purposes and has been tested by professionals With this unit you are able to reduce the nitrate concentration of your aquarium water efficiently to a harmless level ...

Page 2: ...he port for feeding the bacteria the water inlet and the circulation pump are placed at the bottom of the flter One box with Denimar tablets to feed the bacteria is included Fig 1 Nitratereductor 5000 1 Needle valve Waterinlet 2 Wateroutlet 3 Feeding valve 4 Connection for mV probe 5 Top with bayonet 6 O ring for bayonet 7 Fitting for Feeding 8 Valve 9 Fitting for waterinlet 10 Circulation pump 11...

Page 3: ...e 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 the nitrogen from the food is however excreted into the water This nitrogen is metabolised by bacteria living in the aerobic filter via the toxic intermediate substances ammonium and nitrite to the less toxic nitrate Thes...

Page 4: ...gen is excreted into the water Nitrogen gas is a natural compound of the water and totally harmless It is however necessary to increase the metabolism of the bacteria so that they can reduce enough nitrate For this reason the nitrate removing bacteria have to be fed with organic substances The tablet feed Denimar contains organic substances that can be used completely by the bacteria The only wast...

Page 5: ... the drop counter at the water outlet The drop counter is mounted inside of the aquarium close to the water level If the flow rate is redgulated in the outlet the valve may not be closed completely in order to allow produced nitrogen to escape During the start phase in the first weeks the outlet valve should stay completely open The inlet has an internal elongiation that prevents that gas enters t...

Page 6: ... tank one tablet per day is sufficient It is possible to feed several tablets up to 15 pcs at a time The filter needs then no feeding for several days After some time a slimy bacterial biomass is formed in the Nitratereductor This a normal process A high bacteria population ensures a high removal rate of nitrate 7 Feeding with Deniballs Deniballs are made of a biodegradable plastic material This p...

Page 7: ...e absence of oxigen and is lethal for most aquarium inhabitants The biochemical conditions in the Nitratereductor differ completely from those in the aquarium Nitrate has to be reduced to nitrogen gas This is only possible if there is no oxigen dissolved in the water The redox potential is low or even negative The ideal range is between 50 and 250 mV If it exceeds 50 mV the denitrification reactio...

Page 8: ...trite the feeding rate is too low Increase the feeding or lower the flow rate In most of those cases the redox potential is too high above 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 redox potential is also too high Increase fe...

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Aqua Medic Nitratereductor NR 5000, Operation Manual

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Summary of Contents for Nitratereductor NR 5000

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