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Seachem Flourite Natural Clay Gravel 7.7 lb Planted Aquarium Substrate

Seachem Flourite Natural Clay Gravel is a premium porous clay substrate designed for freshwater planted aquariums. Its natural brown color creates an earthy, realistic aquascape look while providing a stable base for live aquatic plants, root-feeding plants, shrimp tanks, and community aquariums.

Unlike coated or soft substrates, Flourite is long-lasting and does not break down over time. It can be used by itself as the main planted tank substrate or mixed with other aquarium gravel and sand to create a custom aquascape layout.

Key Features

  • Great for Planted Aquariums: Porous clay gravel provides a stable base for live aquatic plants.
  • Supports Root Growth: Helps rooted plants anchor and spread through the substrate.
  • Natural Brown Color: Earthy clay tones blend well with plants, driftwood, rocks, and natural aquascapes.
  • Long-Lasting Substrate: Does not break down, soften, or require routine replacement.
  • Use Alone or Mixed: Works as a stand-alone substrate or blended with sand or gravel.
  • Freshwater Aquarium Safe: Suitable for fish, shrimp, snails, and live plants when rinsed and used properly.
  • 7.7 lb Bag: A useful size for nano tanks, small planted aquariums, accent sections, or deeper planting areas.

Product Details

  • Brand: Seachem
  • Product: Flourite Natural Clay Gravel
  • Size: 7.7 lb (3.5 kg) bag
  • Type: Porous clay gravel planted aquarium substrate
  • Color: Natural brown clay tone
  • Grain Type: Small porous gravel texture
  • Aquarium Type: Freshwater planted aquariums
  • Best For: Planted tanks, aquascapes, shrimp tanks, community aquariums, and root-feeding plants

Best For

  • Freshwater planted aquariums
  • Nano planted tanks
  • Shrimp tanks
  • Community aquariums
  • Root-feeding aquarium plants
  • Natural aquascapes
  • Low-tech and high-tech planted tanks
  • Accent areas or deeper planting zones

Plant Benefits

Seachem Flourite Natural Clay Gravel provides a stable porous structure that allows plant roots to anchor securely. It is especially useful for rooted aquarium plants such as crypts, swords, vallisneria, stem plants, and foreground plants.

For demanding plants or heavy root feeders, Flourite works best when paired with root tabs, liquid fertilizers, proper lighting, and regular aquarium maintenance.

Usage Tips

  • Rinse thoroughly before use to help reduce initial cloudiness.
  • Add water slowly over a plate, bowl, or plastic bag to avoid disturbing the substrate.
  • Use a deeper layer in areas where heavy planting is planned.
  • Pair with root tabs or liquid fertilizers for nutrient-demanding plants.
  • Allow filtration to clear any remaining fine particles after setup.

Coverage Guide

Coverage will vary based on tank dimensions, desired substrate depth, and aquascaping style. A 7.7 lb bag is commonly used for nano aquariums, small planted tanks, accent sections, or deeper planting zones in larger aquascapes.

Why Choose Seachem Flourite Natural Clay Gravel?

Seachem Flourite is a trusted planted aquarium substrate because it is durable, natural-looking, and does not need to be replaced over time. Its earthy brown tone creates a realistic aquascape appearance while supporting healthy plant root development.

It is a strong option for aquarists who want a long-term substrate for planted freshwater aquariums without using a substrate that breaks down or compacts quickly.

Frequently Asked Questions

Do I need to replace Seachem Flourite over time?

No. Flourite is a long-lasting substrate and does not break down or require routine replacement.

Can Flourite be used with other substrates?

Yes. It can be used alone or mixed with aquarium sand, gravel, or other planted tank substrates for custom aquascapes.

Does Flourite need rinsing before use?

Yes. Rinse thoroughly before adding it to the aquarium to help reduce initial cloudiness.

Is Seachem Flourite good for planted tanks?

Yes. Flourite is designed for freshwater planted aquariums and provides a stable porous base for plant roots.

Is Flourite safe for shrimp and snails?

Yes. When rinsed and used properly, Flourite is suitable for freshwater fish, shrimp, snails, and live plants.

Does Flourite contain fertilizer?

Flourite supports plant roots as a porous clay substrate, but demanding plants may still benefit from root tabs, liquid fertilizers, and proper lighting.

Will Flourite change my pH?

Flourite is designed for freshwater aquariums and is not intended to significantly alter aquarium pH when used as directed.

Available at Tropical Treasures Wyo

Shop Seachem Flourite Natural Clay Gravel 7.7 lb Planted Aquarium Substrate online or in-store at Tropical Treasures Wyo in Cheyenne, Wyoming. This natural planted tank substrate is a great choice for freshwater planted aquariums, shrimp tanks, aquascapes, root-feeding plants, and community aquarium displays.


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