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UNS 90A – 74.5 Gallon Dual AIO Rimless Aquarium

Original price was: $1,199.99.Current price is: $239.98.

SKU: SK0055538-US20260702-152340 Category: Tag:

The Ultum Nature Systems Dual All‑In‑One (AIO) series elevates the craftsmanship of standard rimless tanks by integrating a powerful, professional‑grade filtration system directly into the frame. This design eliminates the visual clutter of external hoses and canisters, providing a streamlined, plug-and-play aquarium with high-definition clarity. The Dual All-In-One line can be customized with optional accessories to support a successful freshwater or saltwater aquarium setup.

Key Features and Benefits

The Ultum Nature Systems line of Dual All-In-One Tanks comes with everything necessary for a solid foundation. Each tank includes a standard trumpet outflow.

  • UNS Rimless Tank:Constructed with 91% Clarity Diamant glass, a low-iron formula that virtually eliminates the “green tint” found in standard glass. 45° mitered edges provide superior structural strength and a seamless, panoramic aesthetic. Every seam is bonded with high-performance German silicone, engineered for durability and a minimalist, unobtrusive finish.
  • Leveling Mat:Specifically designed to support and stabilize the aquarium’s weight while protecting against glass fissures and cracks, ensuring overall structural integrity and resilience.
  • Quadruple Chamber Internal Filter:A native, fully-integrated internal filtration system that eliminates the need for more equipment, which can detract from the beauty of the aquascape. Features internal filtration chambers that effectively screen out debris.
  • Coarse Aquarium Sponge:Serves as mechanical filtration and occupies the first filtration chamber. Prevents fish waste and plant matter from clogging up the other chambers responsible for screening out finer debris particles.
  • UNS Bio Block:Serves as biological filtration and provides increased surface area for beneficial bacteria to colonize, resulting in increased biological filtration capacity.

Product Dimensions and Specifications

  • Dimensions (LxWxH):35.43″ x 22.04″ x 22.04″
  • Tank Volume:74.5 Gallons
  • Glass Thickness:12mm
  • Branding:Signature Laser Etched Logo
  • Color:Ultra-Clear Low-Iron

Accessory Compatibility Guide and Configuration Options

Chambers 1 & 4

  • Use the included black filter sponge or upgrade with the filter bag conversion kit, compatible with:
    • Honeycomb filter socks
    • Nylon mesh filter socks
  • Optional intake guards can be installed to reduce intake opening size and help protect livestock from being drawn into the rear chamber.
  • Dimensions (LxWxH):3.11 x 3.94 x 21.37″ // 7.9 x 10 x 54.28CM

Chamber 2

  • Features a fixed water height, making it ideal for:
    • UNS Refugium
    • UNS Dual All-in-One Protein Skimmer
  • Dimensions (LxWxH):10.15 x 3.94 x 21.37″ // 25.8 x 10 x 54.28CM

Chamber 3

  • Supports dual pumps, with each pump connected to its own outflow nozzle for increased flow.
  • Dimensions (LxWxH):17.23 x 3.94 x 21.37″ // 43.76 x 10 x 54.28CM

What’s in the Box?

  • 1x UNS Rimless Tank
  • 1x Leveling Mat
  • 2x Media Riser Trays
  • 2x Filter Sponges
  • 8x UNS Bio Blocks (Filter Media Block)
  • 2x Submersible Water Pump
  • 2x Outflow Nozzles
  • 2x Back Chamber Lids

Looking to upgrade and customize your UNS Dual AIO system? Click here to browse compatible add-on accessories.

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UNS 90A - 74.5 Gallon Dual AIO Rimless AquariumUNS 90A – 74.5 Gallon Dual AIO Rimless Aquarium
Original price was: $1,199.99.Current price is: $239.98.
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