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UNS Rimless Cube Glass Aquarium Tank - Glass Aqua

UNS Rimless Cube Glass Aquarium Tank

$87.99 USD
Usually ships in 1-2 business days from our fulfillment center
IMPORTANT: If your order arrives damaged, please take photos and contact us right away—we’re here to help. For full details on returns, exchanges, and other important information, please visit our FAQ.

Ultum Nature Systems cube rimless aquariums are well-suited for desktops, nightstands, and console tables, offering a compact footprint without sacrificing visual appeal. With equal dimensions on all sides, cube tanks naturally draw attention toward the center of the layout, creating a strong focal point within the aquascape.

This format is popular for shrimp tanks, Betta fish, and themed aquascapes. Their symmetry also makes it easy to create a gallery-style display of multiple cubes, allowing hobbyists to explore different aquascaping styles and techniques side by side. Clean and sleek in appearance, cube aquariums highlight the colors and textures of a planted tank in a more focused, immersive way.

Like all UNS aquariums, each tank is crafted with ultra-clear low iron glass and clean, minimalist lines, offering a refined foundation for your next freshwater planted or saltwater reef aquarium.

Shown in the video below is an Ultum Nature Systems 20C rimless tank:

Tank Features
Original 45° mitered edges for a seamless, high-end finish
Low iron glass with 91% clarity diamant glass
High-quality German silicone for long-term durability
Symmetrical proportions for center-focused aquascape layouts
Available in multiple sizes from 1 to 57 gallons

Includes: Black Leveling Mat

Tank Size Guide

Model Dimensions (IN)
W x D x H
Glass Thickness (MM) Volume (GAL)
16C 6.29 x 6.29 x 6.29 5 1
20C 7.87 x 7.87 x 7.87 5 2.1
25C 9.84 x 9.84 x 9.84  5 4.1
30C 11.81 x 11.81 x 11.81 5 7.1
40C 15.74 x 15.74 x 15.74 6 16.9
45C 17.71 x 17.71 x 17.71 6 24
50C 19.68 x 19.68 x 19.68 8 33
60C 23.62 x 23.62 x 23.62 10 57
About The Brand

Ultum Nature Systems creates premium aquarium products designed by hobbyists, for hobbyists. Known for thoughtful design that first appeared in their line of rimless aquariums, they continue to move ground in the industry, with the health of your aquarium always at the forefront. Since the release, the brand has expanded into a variety of aquarium needs and everyday essentials that fuse form and function.

From best-selling substrates like Controsoil and Controsand to powerful filtration systems and nutrient-packed aquatic plant fertilizers for aquascapes at every stage, you're sure to find something you didn't know you needed. Jump further in and browse CO2 gear, various natural hardscape choices, then pick up some live aquatic plants and the tools you need to plant, maintain, and keep your tank looking its best. With a recent venture into the world of marine, UNS supports today's aquarium hobbyists every step of the way.

Inspired by nature and powered by the art of aquascaping, plan your next aquarium project with Ultum Nature Systems today.

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Shipping, Returns and Refunds

Shipping
Orders are typically processed within 1-2 business days M-F. However, additional time may be required during peak seasons and federal holidays. For orders containing live plants, we exercise extra caution and assess factors such as travel distance and weather to ensure safe transit.

To avoid delays, please ensure all order information is accurate and complete. We cannot offer refunds and are not responsible for orders shipped to incorrect addresses due to errors in provided information. Once an order has been shipped, delivery times are determined by the carrier and are outside of our control. On average, shipments arrive within 2–5 business days, excluding weekends and holidays. For more information, please visit our FAQ page.

Returns
If you are not satisfied with your purchase, please contact us within 48 hours of delivery. Approved returns must be shipped back within 14 days of approval. Returned items must be unused, unopened, and in their original packaging. Specific return requirements, if applicable, will be listed on the product’s page. For more information, please visit our FAQ page.

Refunds
No worries, we’ll take care of everything as long as it fits the guidelines above.Most answers to general questions can be found on our FAQ page.