Silica Sand | Aquarium Decor - 5kg

Create a clean, natural-looking aquarium with Silica Sand, a premium fine natural sand suitable for both freshwater and marine aquariums. Its smooth texture and natural appearance make it an excellent choice for a wide variety of aquarium setups, from planted aquariums and community tanks to cichlid displays and marine systems.

Fine silica sand closely replicates the sandy riverbeds and coastal environments found in nature, allowing many fish species to exhibit natural behaviours such as sifting, digging, and burrowing. Its attractive neutral colour enhances the colours of your fish, plants, rocks, and driftwood, creating a beautiful underwater landscape.

Suitable for both beginner and experienced aquarists, Silica Sand is easy to maintain and provides a versatile foundation for a wide range of aquascaping styles.

Please note: Silica Sand is a natural product. Slight variations in grain size and colour may occur between batches, adding to its authentic, natural appearance.

Features & Benefits

• Premium natural fine silica sand.
• Suitable for both freshwater and marine aquariums.
• Creates a clean, natural riverbed or seabed appearance.
• Smooth grains are gentle on bottom-dwelling fish.
• Encourages natural digging and foraging behaviours.
• Complements aquatic plants, driftwood, and aquarium rocks.
• Ideal for aquascaping and biotope aquariums.
• Easy to clean and maintain.
• Suitable for tropical, coldwater, and marine aquariums.

Perfect For

• Freshwater aquariums
• Marine aquariums
• Planted aquariums
• Community fish tanks
• Cichlid aquariums
• Goldfish aquariums
• Axolotl aquariums*
• Nature-style aquascapes

*Ensure the sand is thoroughly rinsed before use and is appropriate for your individual axolotl's husbandry requirements.

Wonderworld Tip

Always rinse silica sand thoroughly before adding it to your aquarium to remove fine dust. Add water slowly over a plate or plastic bag placed on the sand to minimise cloudiness and help keep your aquascape in place.

Frequently Asked Questions

Is silica sand safe for aquariums?

Yes. Aquarium-grade silica sand is safe for both freshwater and marine aquariums when rinsed before use.

Can I use silica sand in a planted aquarium?

Yes. Silica sand can be used in planted aquariums. Root-feeding plants may benefit from root tabs or a nutrient-rich substrate beneath the sand.

Will silica sand change my water chemistry?

No. Silica sand is generally considered an inert substrate and will not significantly alter pH or water hardness.

Is silica sand suitable for bottom-dwelling fish?

Yes. Its fine, smooth grains are ideal for species that sift or forage through the substrate, helping them display natural behaviours.

How do I clean silica sand?

Use a gravel cleaner or siphon just above the sand surface during water changes to remove waste without removing large amounts of substrate.