Red Lava Rock Aquarium Stone 5–15cm | Volcanic Aquascaping Rock (Per lb)

Add warmth and contrast to your aquascape with Red Lava Rock, a natural volcanic stone known for its rich reddish tones and porous texture. Sized between 5–15cm, these pieces are ideal for building structure, depth, and bold layouts in aquariums and terrariums.

This lightweight rock is easy to work with and perfect for creating dynamic aquascapes while supporting plant growth and beneficial bacteria.

Why Choose Red Lava Rock?

• Natural red tones add warmth and contrast to your layout
• Medium to large pieces (5–15cm) ideal for structure and hardscape builds
• Lightweight and easy to stack for stable formations
• Highly porous surface supports beneficial bacteria
• Ideal for attaching moss and aquatic plants

Perfect For

• Aquascaping layouts (Nature Style, Jungle Style)
• Freshwater aquariums
• Planted tanks
• Shrimp and fish tanks
• Terrariums and reptile enclosures

Stone Details

• Type: Natural volcanic lava rock
• Color: Red / reddish-brown
• Size: 5–15cm pieces
• Texture: Porous and rough
• Water safe: Will not significantly alter water parameters
• Preparation: Rinse before use

Available Sizes

Sold by weight:
• 1 lb, 5 lb, 10 lb, 25 lb, 50 lb
• Each box contains a mix of stones within the 5–15cm range

Larger boxes are ideal for full aquascapes and offer better value.

Custom Requests

Looking for specific sizes or shapes? Send us a message and we’ll do our best to match your request.

Shipping & Natural Variation

Each piece is unique. Shape, size, and color will vary slightly from order to order.