Marco Rock Coralline Base – Per 1kg
Premium Reef-Safe Dry Rock with a Natural Coralline Finish

Elevate your reef aquascape with the Marco Rock Coralline Base, a premium, eco-friendly dry rock that combines exceptional porosity with the stunning appearance of natural coralline algae. Sold per kilogram, this rock is perfect for reefers seeking both aesthetics and functionality in their marine or reef aquarium.

Each piece is naturally porous, lightweight, and shaped to provide ideal surfaces for coral placement, beneficial bacteria colonization, and dynamic aquascape design. Its coralline-colored coating mimics the look of mature, established reef rock—giving your tank an instant aged reef appearance without waiting for natural coralline growth.

Key Features:

• Sold by weight: 1kg increments (choose exact quantity to suit your tank)

• Coated in realistic coralline-purple finish for instant reef appeal

• Highly porous for maximum biological filtration and water flow

• Reef-safe, pest-free, and environmentally responsible (no live rock harvesting)

• Ideal for saltwater aquariums, reef tanks, or marine aquascapes

• Excellent base rock to seed with live rock or corals

• Will raise pH

Best Use Guide: APPROXIMATE AMOUNTS ONLY and PURELY DEPENDANT ON YOUR AQUASCAPING STYLE

Whether you're starting a new build or expanding an existing reef system, Marco Rock Coralline Base offers beauty, stability, and biofiltration power in one versatile rock.

RANDOM 1kg lots. Please choose the amount that you would like by adjusting the quantity (quantity 1 = 1kg Marco Coraline Rock). 

This listing is for a RANDOM piece / pieces of Marco Reef Rock. We will pick a random quantity of stone to meet your order. This could be one large piece, a couple of medium pieces or multiple smaller pieces. Pictures are reference to the type of rock, as this is a natural product variations of actual colour may occur.

If you would like a specific sizes of rock eg: larger or smaller pieces, please include extra details in the 'note for buyer' section at checkout - we will try our best to meet your requirements. However this will depend on availability.