The Sera Aquarium Coarse Gravel is a high-quality natural substrate designed to create species-appropriate, visually appealing, and biologically stable aquarium environments. With its natural appearance, it ensures the safety and comfort of bottom-dwelling fish while enhancing your aquascape.

Product Overview

Made from natural, harmless materials, Sera Aquarium Coarse Gravel provides a safe and stable foundation for all aquarium life. The coarse grain structure improves water flow throughout the substrate, supporting beneficial bacteria and promoting a healthy biological balance. Plants root securely, ensuring strong development and vibrant growth, while the gravel’s neutral composition helps maintain stable water values. Its warm, natural colouration enhances fish, plants, and décor elements, making it ideal for creative aquascaping.

Available Variants

• 2–6 mm Beige: Warm, natural tones ideal for bright, clean layouts.
• 2–8 mm Mix: A blend of natural stone colours for dynamic, textured aquascapes.
• 2-3 mm Black: Deep black coloured gravel for creating expressive aquarium layouts

Key Features

• Natural & Safe: Made from natural materials free from harmful substances.
• Rounded Grain Edges: Ideal for bottom-dwellers like corydoras and loaches.
• Coarse Grain Structure: Enhances water flow for beneficial bacteria growth.
• Supports Plant Growth: Provides firm anchoring for strong root development.
• Water Neutral: Does not affect water chemistry; safe for sensitive species.
• Enhances Aquascapes: Colouring highlights fish, plants, and hardscape.
• Pre-Washed: Clean and convenient; additional rinsing recommended.

How to Use

1. Rinse the gravel thoroughly before placing it in the aquarium.
2. Spread evenly to create a stable substrate layer (5–7 cm recommended).
3. Add décor elements such as stones, driftwood, or plants as desired.

Why Choose Sera Aquarium Gravel Coarse?

• Supports a stable, healthy biological ecosystem.
• Safe for all fish, including delicate bottom species.
• Enhances plant growth for lush, thriving aquascapes.
• Durable, long lasting, and water-neutral substrate.
• Perfect for both functional setups and decorative layouts.