Seachem De*Nitrate Filter Support

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Seachem De*Nitrate Filter Support

Seachem De*Nitrate Filter Support –

De❊nitrate™ is in fact an economical, natural, porous material with a pore distribution and geometry.

That promotes both aerobic nitrification within the first few millimetres of depth and anaerobic denitrification at the core.

The material has a high surface area so supports a high density of bacteria.

Although de❊nitrate™ has capacity to trap nitrate.

This, as with other nitrate retaining materials, such as certain zeolites and synthetic resins, is quite limited and the primary mechanism of nitrate removal is anaerobic.

For any further information or advice please feel free to message us on Facebook or contact the store on 01902 494860.


Key Features:

  • Removes nitrates, nitrites, ammonia, and organics
  • High porosity biological media
  • Pore size well suited for anaerobic bacteria
  • No danger of hydrogen sulphide production as with sulphur based media

“Live” rocks or reef rocks remove nitrate by anaerobic denitrification. De❊nitrate™ also removes nitrate by the same process.

Efficiency is magnified several folds by forcing the water to filter through the porous de❊nitrate™.


Sizes Available: 100 ml – Bag , 250 ml, 500 ml, 1 Litre


As with reef rock, we achieve anaerobic conditions by the porosity and the depletion of oxygen by the aerobic process at the surface.

Excessive flow rates should, therefore, be avoided, as they may impede development of an adequate anaerobic environment to support denitrifying bacteria.


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100ML BAGGED – MPN : 200998,
250ML – MPN : 20100,
500ML – MPN : 20102,
1L – MPN : 20104

Additional information


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