Lava Gravel 5-10mm 10kg

Lava gravel 5-10 mm 10 kg porous aquarium substrate

Lava gravel 5-10 mm 10 kg is a dark, porous and natural looking stone material for aquarium substrate, decoration and biological filtration support. The 5-10 mm grain size creates a noticeably rougher and more textured appearance than fine sand or standard aquarium gravel. It is especially useful in aquariums where a dark natural look and a porous structure are both desired.

The porous surface of lava rock provides a large area for beneficial bacteria to colonize. This makes lava gravel useful as a substrate, decorative hardscape material or as part of biological filtration support. Its dark color also highlights the colors of fish, plants, driftwood and stones.

Benefits

• Porous structure offers a large surface area for beneficial bacteria
• Suitable for aquarium substrate, decoration and biological filtration support
• Dark natural appearance highlights fish and plant colors
• 5-10 mm grain size creates a rough and rocky substrate look
• Suitable for planted aquariums, shrimp tanks and natural style layouts
• Can be used as an accent material around driftwood, rocks and plant groups
• 10 kg package is practical for small and medium aquariums or as part of a larger layout

Product features

• Product: Lava gravel
• Grain size: 5-10 mm
• Package size: 10 kg
• Use: aquarium substrate, decorative material and biological filtration support
• Material: porous lava rock
• Appearance: dark, rough and natural stone texture
• Suitable for: freshwater aquariums, planted tanks, shrimp aquariums and aquascaping

Recommended use

Lava gravel 5-10 mm is suitable for aquariums where a natural, dark and textured substrate is desired. It works especially well in planted aquariums where the dark base enhances green and red plant tones. In shrimp aquariums and nature style layouts, the porous surface adds both structure and biological surface area.

Who is this product for?

This product is suitable for aquarists who want a more decorative and functional substrate than standard gravel. Lava gravel is a strong choice for aquascapers, planted tank keepers, shrimp tank setups and hobbyists who want to add biological surface area to the aquarium substrate.

How to use

Rinse the lava gravel thoroughly before use to remove dust and loose particles. It can be used across the full aquarium bottom or as an accent material around rocks, driftwood and plants. In planted aquariums, lava gravel can be combined with plant substrate, finer gravel or aquarium sand to create both structure and suitable planting areas.

Biological filtration support

Because of its porous structure, lava gravel provides a large surface area for bacterial colonization. It can also be used as filter media or as biological support in areas where water flows through the material. This helps increase the available surface for beneficial bacteria in the aquarium.

Before use

Lava gravel is coarse and porous, so it may not be the best sole substrate for delicate bottom dwelling fish with sensitive barbels or species that dig actively in fine substrate. If the aquarium contains Corydoras, kuhli loaches or similar fish, provide a separate fine sand area or choose a softer substrate in those areas. Always consider livestock needs before choosing substrate.

Why choose Lava gravel 5-10 mm 10 kg?

Lava gravel 5-10 mm 10 kg is a strong choice when a dark, natural and porous aquarium substrate is needed. Compared with standard river gravel or regular aquarium gravel, it offers a lighter, rougher and more biologically useful structure. It is especially suitable for aquariums where appearance, bacterial surface area and natural layout design should work together.