Skip to product information
1 of 2

HermitCrabShells.ca

Black Lava Stone Aquarium Rock 10–30cm | Volcanic Aquascaping Rock (Per lb)

Black Lava Stone Aquarium Rock 10–30cm | Volcanic Aquascaping Rock (Per lb)

Quantity
Regular price $4.00 CAD
Regular price Sale price $4.00 CAD
Sale Sold out
Shipping calculated at checkout.

✅ Hand selected for quality

Build bold, high-contrast aquascapes with Black Lava Stone, a natural volcanic rock known for its porous texture and lightweight structure. With pieces ranging from 10–30cm, this stone is perfect for creating strong layouts, focal points, and layered hardscapes in aquariums and terrariums.

Its deep black color enhances plant growth visually while adding depth and a natural look to your setup.


Why Choose Black Lava Stone?

• Deep black color creates strong contrast in aquascapes
• Medium to large pieces (10–30cm) ideal for structure and layout builds
• Lightweight and easy to stack for stable formations
• Highly porous surface supports beneficial bacteria
• Great for attaching moss and aquatic plants


Perfect For

• Nature-style and jungle aquascapes
• Planted aquariums
• Freshwater fish and shrimp tanks
• Terrariums and reptile enclosures


Stone Details

• Type: Natural volcanic lava stone
• Color: Black / dark charcoal
• Size: 10–30cm pieces
• Texture: Porous and rough
• Water safe: Will not significantly alter water parameters
• Preparation: Rinse thoroughly before use


Available Sizes

Sold per lb:
• 1 lb, 5 lb, 10 lb, 25 lb, 50 lb

Each order includes a mix of shapes and sizes within the 10–30cm range.

🔥 Best Value: The 50 lb box offers the lowest cost per pound and is ideal for full aquascaping layouts.


Custom Requests

Looking for specific shapes or larger feature stones? Send us a message and we’ll do our best to hand-select pieces for your layout.


Shipping & Natural Variation

Each piece is natural and unique. Shape, size, and texture will vary from order to order.

Hermit crabs often switch shells overnight once they feel safe. We recommend offering 3-5 shells slightly larger than their current shell so they can choose their favorite.

View full details