Biological filtration for the removal of nitrates in fresh water and sea water

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€20.99

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you will receive a voucher of €0.40

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In stock (4)

Seachem Matrix is a high porosity substrate that provides effective biological filtration for nitrogen waste removal.

One liter of Matrix provides as much surface area (internal and external) as 40 liters of plastic balls.

Unlike plastic balls which only offer external surfaces, Matrix presents macro porous internal surfaces.

This allows Matrix, unlike other bio-media, to remove nitrates, nitrites and ammonia, at the same time and in the same filter.

As long as the water is pre-filtered properly, Matrix does not need to be replaced.

Reference 8270117

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9.4/10

Based on 11 reviews

David o.
Published Apr 04, 2026 at 05:06 pm (Order date: Mar 28, 2026)

5

Very fast delivery and free of charge (Translated review)
Mickael L.
Published Mar 14, 2026 at 08:32 pm (Order date: Mar 02, 2026)

4

We should use another tape, because the brown leaves marks on the product. (Translated review)
N D.
Published Nov 01, 2025 at 11:53 pm (Order date: Oct 24, 2025)

5

Matches the description. (Translated review)
David P.
Published Mar 05, 2025 at 01:23 pm (Order date: Feb 25, 2025)

4

Good (Translated review)
Lionel k.
Published Apr 24, 2024 at 07:48 pm (Order date: Apr 19, 2024)

5

Conforms to length (Translated review)
Bruno L.
Published Dec 19, 2023 at 10:02 pm (Order date: Dec 13, 2023)

5

Compliant (Translated review)
Francois-Xavier R.
Published Nov 07, 2023 at 03:08 pm (Order date: Nov 02, 2023)

4

Not yet commissioned, but the Seachem brand is a reference in aquarium keeping, so there's no doubt about this product. (Translated review)
Jean marc F.
Published Jul 02, 2023 at 03:19 pm (Order date: Jun 27, 2023)

5

Super filtration mass, which helps maintain the right aquarium parameters. The purchase price is not excessive. (Translated review)
Acheteur vérifié
Published Sep 10, 2022 at 09:24 pm (Order date: Sep 05, 2022)

5

ideal (Translated review)
Acheteur vérifié
Published Mar 13, 2022 at 04:20 pm (Order date: Mar 07, 2022)

5

RAS test product (Translated review)

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SEACHEM - Matrix 1L - Biological filtration for the removal of nitrates, nitrites and ammonia