The Aquatlantis Cleanbox Aquaclay M Porous Rock Cartridge is an ideal choice for the biological filtration of your aquarium. This porous material helps create a favorable environment, promoting the growth of beneficial bacteria that are essential for the health of your aquarium.

• Biological filtration material that enhances water clarity.
• Excellent build quality for long-lasting use.
• Designed to support the colony of beneficial bacteria.