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Nitrate Removal

£106.08 £79.56
A filter for reducing the nitrate concentration in aquaria up to 400 litres. (c.100 gal) The Nitratreductor 400 is a completely sealed biological filter. It...

£269.76 £242.78
The Nitratreductor 1000 is an anaerobic biological filter for the removal of nitrate from marine and freshwater aquariums. Its characteristics are the big...

£701.53 £555.00
Denitrification filter for aquaria up to 3,000 litres. The Nitratereductor NR 5000 uses the same biological principle as the smaller model. It has a volume...

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The bacteria in an anaerobic bio filter need organic nutrients as energy source to remove nitrate. Denimar contains organic substances that dissolve slowly...