Product Overview
Seachem de❊nitrate is a high-porosity biological filter media designed to reduce nitrate while also supporting the biological filtration of freshwater and marine aquariums.
Available in 250ml, 500ml and 1000ml sizes, its unique porous structure provides an ideal environment for both aerobic and anaerobic bacteria, helping reduce ammonia, nitrite, nitrate and dissolved organic waste.
Available Sizes
- 250ml
- 500ml
- 1000ml (1 Litre)
Key Features
- High-porosity biological filter media
- Supports aerobic and anaerobic beneficial bacteria
- Helps reduce ammonia, nitrite, nitrate and organic waste
- Suitable for freshwater and marine aquariums
- Long-lasting biological media that does not require routine replacement
- Available in 250ml, 500ml and 1000ml sizes
Directions for Use
- Rinse before use to remove any dust.
- Place in a canister filter, sump or other filter compartment where water flows through the media.
- For effective nitrate reduction, water flow should not exceed 200 litres per hour through the media.
- If higher flow rates are unavoidable, Seachem Matrix may be more suitable.
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For Standard Delivery, please allow 5 working days. If you have not received your order in this time, please contact us so we can investigate. Livestock Delivery: All livestock is sent using 24 Tracked delivery. You will be contacted after purchase to arrange a suitable delivery day. |
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30 Day Returns, simply contact us on help@cdlaquatics.co.uk with details of your reason for return and send your item to our returns centre in it's original condition. This excludes all livestock. Please see our Returns Policy for further details |
Product Overview
Seachem de❊nitrate is a high-porosity biological filter media designed to reduce nitrate while also supporting the biological filtration of freshwater and marine aquariums.
Available in 250ml, 500ml and 1000ml sizes, its unique porous structure provides an ideal environment for both aerobic and anaerobic bacteria, helping reduce ammonia, nitrite, nitrate and dissolved organic waste.
Available Sizes
- 250ml
- 500ml
- 1000ml (1 Litre)
Key Features
- High-porosity biological filter media
- Supports aerobic and anaerobic beneficial bacteria
- Helps reduce ammonia, nitrite, nitrate and organic waste
- Suitable for freshwater and marine aquariums
- Long-lasting biological media that does not require routine replacement
- Available in 250ml, 500ml and 1000ml sizes
Directions for Use
- Rinse before use to remove any dust.
- Place in a canister filter, sump or other filter compartment where water flows through the media.
- For effective nitrate reduction, water flow should not exceed 200 litres per hour through the media.
- If higher flow rates are unavoidable, Seachem Matrix may be more suitable.
![]() |
For Standard Delivery, please allow 5 working days. If you have not received your order in this time, please contact us so we can investigate. Livestock Delivery: All livestock is sent using 24 Tracked delivery. You will be contacted after purchase to arrange a suitable delivery day. |
|
![]() |
30 Day Returns, simply contact us on help@cdlaquatics.co.uk with details of your reason for return and send your item to our returns centre in it's original condition. This excludes all livestock. Please see our Returns Policy for further details |






