Description

Real Reef Extra Extra Large Arch – 40 lb Box (1 piece, ~24″ long, 14–18″ tall)

Make a bold statement with the Real Reef Extra Extra Large Arch, crafted from reef-safe calcium-based materials to deliver striking natural forms for your aquascape. This single, pre-cured arch measures approximately 24 inches long and 14 to 18 inches tall, featuring vibrant pink, purple, and red hues that perfectly mimic mature coralline-encrusted rock.

Ideal for creating expansive overhangs, large swim-throughs, and dramatic caves, this oversized, lightweight, and porous structure supports biological filtration while enhancing water flow and fish behavior. Designed for marine reef and fish-only saltwater aquariums, it also fits well in hard freshwater tanks with higher pH levels.

Sustainable, pest-free, and easy to work with, the Extra Extra Large Arch is a stunning centerpiece and foundational support for your reef environment.