The UNS R240 Reef System is the largest aquarium in the UNS lineup. This model sets itself apart from the standard reef series with a euro-braced top for enhanced structural security, dual overflows, and a reinforced stand. It retains UNS’s signature craftsmanship, including 45° mitered edges, black silicone, and a double-pane glass bottom. The aluminum-framed stand features double support bars on the back and additional horizontal reinforcement for superior stability. Its magnetic, fully removable doors provide effortless access for routine maintenance. The R240 also includes an expanded electrical box with increased space for dosing containers and controllers.

Important Shipping & Handling Notice: The UNS R240 Reef System requires freight service and specialized handling. Orders will have extended processing and transit times compared to standard items and regular freight serviced orders. Delivery timelines are estimates only and may change based on service provider, logistics, and final destination.

Rimless Aquarium Features

• Signature 45° mitered edges and low-iron, high-clarity glass provide an enjoyable viewing experience and enable closer edge-to-edge cleaning with the preferred glass cleaning tool/algae scraper.
• Black silicone discreetly hides the appearance of coralline
• A fully Euro-braced top
• Tanks feature a sleek white bottom, allowing for a bare-bottom setup without exposing equipment in the sump.

Tank Specifications

• Dimensions: 94.49 x 31.50 x 23.62" / 240 x 80 x 60CM
• Glass Thickness: 19mm 
• Volume: 265.34G / 1004.421L
• Total Volume (Including Sump): 327.34 Gallons

Stand Specifications

• Dimensions: 94.49 x 31.50 x 36.26" / 240 x 80 x 92.1CM
• Door Count: 6
• Storage Drawers: 1

Sump Specifications

• Dimensions: 66.85 x 28.66 x 17.72" / 169.8 x 72.8 x 45CM
• Volume: 62G / 235L 
• Filter Socks: 8
• Total Chambers: 4 + ATO

What's Included

• UNS R240 Rimless Aquarium
• Pipe Fittings
• Union Fittings
• Outlet Nozzles
• UNS R240 Stand & Sump
  

Aquarium Cabinet & Sump Features

• The two overflow boxes feature a low-profile, intake slots at the top and bottom and a vertical piece of glass inside that provides safeguard against flooding of the main tank in the event of pump failure.
• The overflow lid cover is made from polycarbonate material for increased durability and resistance to heat and warping. Other covers are designed for easy removal and sit flush to reduce salt creep.
• Fully removable, magnetic doors. Aluminum frame and magnetic hold remove the need for traditional stainless steel door hinges, improving rust resistance.
• Comes fully assembled with sump pre-installed for easy setup and straightforward plumbing. Simply place the tank on top, connect the pre-glued pipes and secure each connection with easy twist-on unions.
• Pre-cut holes for wire management.
• A pull-out drawer for extra storage and organization of accessories, tools and more.
• Built-in controller box provides a dedicated space for a surge protector and optimal cable management. 
• Extra controller box storage for dosing containers
• Controller boards are removable and can be easily accessed by removing the side door while ensuring wires remain tucked away.

Sump Filtration System Features

• Gate valves are included for smooth water flow and reduced noise. Additional ball valve and barbed fittings are included on the return line in the event external equipment, such as reactors or chillers are being used. Included a gasket below the drain pipe and sump to reduce salt creep accumulation.
• The multi-chamber sump features a prefilter baffle to trap larger solids on filter floss, reducing the frequency of filter sock replacement. Diffuser plates are included to reduce noise and prevent floating of filter socks when replacement/maintenance is near.
• The second chamber will accommodate a variety of protein skimmers on the market. Water levels can be adjusted via the acrylic baffle to accommodate various height requirements of different protein skimmers.
• The third chamber may be used for additional desired media or as a refugium. Water levels may be adjusted as desired.
• Chamber on the far left is a dedicated ATO reservoir (16G ATO) for use with an optical ATO

Available in 7 tank sizes and two stand colors

• UNS R60
• UNS R80
• UNS R90
• UNS R120
• UNS R150
• UNS R180
• UNS R240