
Marco Rocks E-Marco 400 Cement 2.2kg Bucket
Professional-Grade Aquascaping Cement for Secure Rock Structures
Create ultra-stable and seamless rockscapes with the Marco Rocks E-Marco 400 Cement—the trusted choice of expert aquascapers and public aquariums around the world. Specially formulated for marine and freshwater environments, this reef-safe mortar bonds your rockwork permanently while maintaining natural aesthetics.
The complete 2.2kg bucket kit includes everything you need for safe, strong, and long-lasting aquascaping construction.
What's Included
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2.2kg E-Marco 400 Mortar Powder
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Liquid Polymer Additive (with acrylic polymer)
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Mixing Spatula
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Application Instructions
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Reusable Mixing Bucket
Key Features
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100% Reef Safe – No leaching, toxins, or harm to aquatic life
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Ideal for Rock Structures – Bonds reef rock, shelves, arches, and overhangs securely
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Fast Curing – Sets quickly and holds strong even underwater
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Natural Look – Cures to a coralline pink tone that blends with reef rock
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Complete Kit – Includes everything needed for mixing and application
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Perfect for Saltwater & Freshwater Aquariums
Whether you're building towering reefscapes or sculpting complex aquascape layouts, E-Marco 400 gives you the strength and precision you need—without compromising the health of your tank.