Bio media Seachem Fish & Aquatic · Filters & Pumps

Seachem

Seachem Matrix Biological Filter Media, 1 L

Bio media

Best for: Boosting bio-filtration

A highly porous inorganic media with huge surface area for beneficial bacteria. It doesn't need replacing.

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Other sizes on Amazon: 2 L

Price, delivery and customer reviews are shown on Amazon.

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What we like

  • Long-lasting
  • Huge surface area
  • Fits any filter

Keep in mind

  • Needs a media bag in some filters
  • Takes weeks to colonise

Our in-depth look

Who it's for

Any filter with room for extra media.

Tips

Place after mechanical filtration so it stays clean. Rinse lightly in tank water only.

Key features

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Questions owners ask

Does it need replacing?

No.

Where does it go?

After the sponge or floss in the filter flow.

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