




















Reef System R80 (76 Gal) - Frag System - UNS
$3,04999Unit price /UnavailableReef System R80 (76 Gal) - Frag System - UNS - Grey is backordered and will ship as soon as it is back in stock.
The UNS (Ultum Nature Systems) Reef System redefines the standards for reef-ready aquariums, offering premium design, functionality, and seamless integration for saltwater enthusiasts. Available in four distinct sizes, the R line of rimless aquariums is engineered for durability and aesthetics, making it an excellent choice for both beginners and seasoned aquarists.
The R80 is a centerpiece model in the R Systems lineup, featuring a center overflow that enables full 360° water circulation for even flow and nutrient distribution. Designed with coral propagation in mind, it includes custom Frag Trays that allow for organized, distraction-free frag display and storage.
Stand & Cabinet
Dimensions: 31.5” x 31.5” x 35.43” (80 x 80 x 90 cm)
Material: Powder-coated aluminum frame
Doors: 4 magnetic, removable access panels
Storage: Integrated pull-out drawer and electrical tower
The R80’s patent-pending aluminum stand mirrors the sleek, modern design of other R Systems tanks—engineered for strength, corrosion resistance, and ease of maintenance. The interior features organized compartments for cable management, dosing containers, and storage, ensuring a clean and professional setup.
Sump System
Dimensions: 21.3” x 28.74” x 17.72” (54.1 x 73 x 45 cm)
Volume: 24 gallons (85 L)
Filter Bags: 3
Total Chambers: 4
Integrated ATO reservoir and dosing container shelves
Dimensions: 31.5” x 31.5” x 14.17” (80 x 80 x 36 cm)
Display Volume: 52 gallons (192 L)
Total System Volume (with sump): 76 gallons (277 L)
Glass Thickness: 12mm low-iron ultra-clear glass
The glass sump design offers exceptional visibility and durability while providing efficient mechanical and biological filtration. The built-in ATO reservoir simplifies top-off management, while designated shelves inside the electrical tower allow for a clean, functional dosing setup.
What’s Included
-
R80 Rimless Display Tank
-
Pre-installed Glass Sump
-
Patent-Pending Aluminum Stand
-
Frag Trays for Coral Organization
-
Integrated Electrical Tower and Storage Drawer
-
Plumbing Kit and Hardware
Warranty: 1 Year
The R80 is the ultimate display and frag system—engineered for performance, clarity, and design symmetry, bringing the craftsmanship of the R Systems line to a new level of versatility.
All aquariums in this collection are drop-shipped directly from the manufacturer and will be delivered within 1-3 weeks from the shipment date. Orders are typically processed within 1-3 business days. Once shipped, a tracking number will be provided, and the transport facility will contact you to schedule a delivery window. Please note that once an order is submitted it cannot be cancelled.
These aquariums can only be shipped within the contiguous 48 United States.

The UNS Reef System offers a reef-ready setup in five different sizes. The R line of rimless aquariums features signature UNS 45° mitered edges, black silicone and thicker, ultra-clear glass ensuring long term performance. The system includes a matching aluminum-framed stand with a built-in sump filtration system. The stand’s doors are magnetic and fully removable for easy device control and personalized customization. Larger models include storage drawers for organization of aquarium essentials and more. Each detail of this system was carefully considered and designed to provide the right balance of functionality and aesthetic.
Free Shipping over $49
Free Overnight over $399
90 Day Returns w/ Reef Guard
Expert Customer Support
Your cart
Add these to your box:
From $1499Unit price /Unavailable
Live Green Phytoplankton (Tetraselmis chui) - Reef Genetics
From $999Unit price /Unavailable
Choose options























