Designed for saltwater enthusiasts, the MARINE X 110.4 PENINSULA features rimless aquariums with ultra‑clear 91% light‑transmitting glass, high strength black silicone, and central overflow with dual return nozzles. Each kit includes a sump, plumbing, filter socks, and sock silencers.
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Waterbox MARINE X delivers a complete reef-ready system for aquarists ready to take the next step. Every element—from the crystal-clear display to the precision engineered sump and sleek cabinetry—is crafted to provide the perfect foundation for thriving marine life.
Ultra-Clear Glass
Built with ultra-clear glass panels ranging from 10mm to 12mm thickness for maximum durability, each aquarium is precision-bonded with high strength silicone to ensure a secure, watertight seal that stands up to the immense pressure of a filled system.
Centralized Overflow
Designed with a dual-adjustable return system, and a removable weir comb, this overflow makes maintenance simple and efficient while providing consistent, customizable flow to keep your aquarium running at peak performance.
Stabilizing Leveling Mat
Prevents pressure points and ensures your aquarium’s weight is spread evenly across the stand or surface.
Durable professional-grade performance with effortless installation so you can spend more time enjoying your aquarium, and less time assembling it.
Pre-Engineered Quick Connect Fittings
Durable, high-quality quick connect fittings make plumbing assembly fast, secure, and tool-free. Saving you time and ensuring a leak-proof setup right out of the box.
Precision Overflow Valve
A high-performance gate valve on the main drain line lets you easily dial in and maintain a silent, balanced siphon for ultra-quiet operation and stable water levels.
Safe and Quiet Return Lines
The return and drain lines integrate seamlessly with the overflow and sump, reducing vibration and keeping maintenance to a minimum.
MARINE X provides a professionally designed sump filtration system to nurture a thriving saltwater environment—whether you’re cultivating soft corals, or building a full reef ecosystem.
Skimmer or Media Reactor Chamber
The spacious main chamber provides ample room for the industry’s leading protein skimmers and media reactors, giving you flexibility to choose the right equipment for your setup.
Filter Sock Filtration
Water first passes through dual felt filter socks that effectively remove debris and particulates. Each sock sits in a removable tray, allowing for quick maintenance or seamless conversion to a filter roller system for automated mechanical filtration.
Integrated RO Reservoir
In each sump is an integrated freshwater reservoir, designed to hold RO/DI top-off water. This built-in feature maintains consistent water levels and salinity stability, helping your system remain balanced, and reducing the need for frequent manual top-offs.
The MARINE X stands on a marine-grade laminated cabinet that blends durability with contemporary design. Clean lines, adjustable leveling feet, and soft-close doors create a premium look and feel, while the spacious interior provides easy access to equipment and wiring.
Available in Black, White, or Aspen
Choose from modern finishes that complement any home or office space—because your aquarium deserves a foundation as refined as the ecosystem it holds.
Adjustable Leveling Feet
High weight capacity adjustable leveling feet ensure your aquarium is level, front-to-back and side-to-side.
Stainless Hinges
Corrosion-resistant and durable, making them ideal for marine aquariums. They stand up to saltwater humidity, ensure smooth operation, and provide long-lasting reliability.
*Hinges might differ in appearance
Waterbox Aquariums® warrants your product against defects in materials and workmanship for a period of 3 years, valid from the original date of purchase.
