Red Lava Gravel 5–7mm Aquarium Substrate | Volcanic Aquascaping Gravel

Enhance your aquarium or terrarium with Red Lava Gravel, a natural volcanic substrate sized between 5–7mm. Its warm reddish tones and porous structure make it a great choice for aquascaping, planted tanks, and biological filtration.

This lightweight gravel adds texture and contrast while supporting healthy tank ecosystems.

Why Choose Red Lava Gravel?

• Natural red tones add warmth and visual contrast
• 5–7mm size ideal for substrate and top layers
• Highly porous surface supports beneficial bacteria
• Lightweight and easy to work with
• Helps anchor plants and hardscape elements

Perfect For

• Aquarium substrate or top layer
• Planted tanks
• Shrimp and freshwater aquariums
• Terrariums and reptile enclosures
• Drainage layers in planted setups

Gravel Details

• Type: Natural volcanic lava gravel
• Color: Red / reddish-brown
• Size: 5–7mm
• Texture: Porous and lightweight
• Water safe: Will not significantly alter water parameters
• Preparation: Rinse thoroughly before use

Available Sizes

Sold by weight:
• 2 kg, 5 kg, 10 kg, 20 kg

Larger quantities are ideal for full substrate coverage and offer better value.

Custom Requests

Need a specific size range or larger quantities? Send us a message and we’ll do our best to help.

Shipping & Natural Variation

Each batch is natural material. Color and texture may vary slightly.