Aquarium Lava Rock Gravel, Inert Porous Substrate for Planted Freshwater and Brackish Tank Aquascapes

Aquarium lava rock gravel offers a versatile way to add texture to an aquascape while serving as a tank substrate, filtration medium, or accent alongside black lava rock.

Its inert nature will not change water parameters, making it suitable for thoughtfully arranged planted, freshwater, and brackish aquarium setups.

The highly porous surface allows aquatic plants such as moss, Anubias, ferns, and Bucephalandra to attach while providing space for beneficial bacteria to colonize.

Key Features

• Works as aquarium substrate, filtration media, or a hardscape accent.
• Inert lava rock gravel will not alter aquarium water parameters.
• Highly porous surfaces support the colonization of beneficial bacteria.
• Suitable for planted tanks as well as freshwater and brackish setups.
• Provides an attachment surface for moss, Anubias, ferns, and Bucephalandra.
• Pairs naturally with black lava rock in layered hardscape layouts.
• Rinse the gravel before adding it to the aquarium.

Specifications

• Material: Crushed lava rock gravel
• Water behavior: Inert and does not change water parameters
• Suggested uses: Substrate, filtration media, and hardscape accent
• Aquarium compatibility: Planted, freshwater, and brackish setups
• Care before use: Rinse before placing in the tank

Use this porous lava rock gravel to develop a textured aquarium foundation, complement an existing black lava rock arrangement, support plant attachment, or add filtration media.