Plant substrate Seachem Fish & Aquatic · Decor & Plants

Seachem

Seachem Flourite Black Planted Aquarium Substrate, 7 kg

Plant substrate

Best for: Planted tanks

A stable, porous clay gravel that supports root growth in planted aquariums and doesn't need replacing. It won't alter pH.

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Other sizes on Amazon: Flourite Red

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What we like

  • Lasts indefinitely
  • Great for rooting plants
  • pH-neutral

Keep in mind

  • Dusty — rinse well
  • Light and can float when new

Our in-depth look

Who it's for

Planted tanks, especially with root feeders like swords and crypts.

Tips

Rinse thoroughly to reduce cloudiness, then fill slowly over a plate.

Key features

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Questions owners ask

Does it need rinsing?

Yes, to cut cloudiness.

Does it change pH?

No.

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