Foundation Coralline Base Rock - Per Pound - MarcoRocks

flat on one side to create secure, stackable foundations while still providing the organic shapes and porous structure MarcoRocks is known for.

Pre-seeded with a realistic coralline-colored coating, this rock instantly brings a mature reef look to your aquarium—without the wait. The ultra-porous calcium carbonate structure promotes excellent bacterial colonization, making it ideal for biological filtration and long-term reef stability.

Whether you’re building a new aquascape, adding support pieces, or creating shelves and platforms for coral placement, Foundation Coralline Base Rock makes aquascaping easier, cleaner, and more visually seamless.

Key Features:

• Coralline-colored finish for an instant mature reef appearance

• Flat-cut base for maximum stability in aquascapes

• Highly porous structure supports strong biological filtration

• 100% natural, reef-safe calcium carbonate rock

• Ideal for base structures, platforms, and coral mounting

A reliable, natural foundation for any aquascape—designed to look great from day one and perform for years to come.