The UNS 25C 4.1 Gallon Ultra Clear Rimless Aquarium offers a symmetrical nano canvas engineered to vanish and center your aquascape layout. Featuring equal dimensions on all sides, the Cube format draws focus inward, making it an ideal footprint for central island hardscapes, dwarf shrimp colonies, or a single Betta.
| Feature | Specification |
|---|---|
| Model | UNS 25C Nano Cube Rimless |
| Dimensions (L x W x H) | 9.84" x 9.84" x 9.84" (25 x 25 x 25 cm) |
| Total Volume | 4.1 Gallons (15.6 Liters) |
| Glass Thickness | 5 mm |
| Glass Type | 91% Clarity Diamant Low-Iron Glass |
| Seam Construction | 45° Precision Mitered Joints with German Silicone |
| Branding | Signature Laser-Etched Corner Logo |
We always guarantee safe delivery of our tanks. In the unlikely event that your tank arrives damaged or broken by the carrier, we will immediately ship out a replacement at no additional cost to you. Please send photos of the damaged tank in its original shipping box so that we can file a claim with UPS on your behalf. Please allow an additional 2-3 business days in case of potential logistical delays.
1. Why select a nano cube aquarium like the UNS 25C over a standard rectangular tank?
A cube aquarium offers equal dimensions on all sides, providing a symmetrical viewing frame that centers your focal point. The 9.84" depth provides excellent front-to-back room in a compact footprint, enabling deep substrate slopes and multi-layered plant arrangements.
2. What livestock is best suited for a 4.1-gallon nano aquarium?
The UNS 25C is ideal for ornamental dwarf shrimp (such as Neocaridina or Caridina species), nerite snails, or a single Betta fish that appreciates calm waters and dense plant cover.
3. Why is a leveling mat necessary for rimless aquariums?
Because rimless glass tanks rest directly on their base panel without a raised plastic frame, even a microscopic grain of sand on a stand can create concentrated stress points. The included dense foam mat absorbs micro-vibrations and distributes weight evenly across the entire footprint to prevent glass stress cracks.
Overall rating: 4.769231 / 5 from 13 reviews.
This Ultra Clear Rimless Aquarium by UNS 25C offers a perfect desktop size for small tropical scapes, featuring 91% clarity Diamant glass for crystal clear visibility. Customers appreciate its unique dimensions, sleek appearance, and high-quality construction. The product is praised for its fast shipping, excellent service, and sturdy glass, making it a top choice for aquascaping enthusiasts.
Review topics: ["quality","looks","service","tank"].
"Its so crystal clear. My shrimp prefer this over the 2 gallons they graduated from. It is a thing of beauty! My only regret is i don't have a house big enough for 199 more of these!"
"Awesome little tank! Crystal clear and shipee perfectly!"
"Great size for a betta scape. High quality glass. I paired this tank with the Small Chihiros Z spotlight and displayed on a plant stand looks awesome! Only downside is I did pay $50 for shipping but it was well packaged, arrived on-time plus had the worry free replacement guarantee if it arrived broken, which it did not so no complaints. Will order UNS tanks here again if I can’t find locally."
"Good quality tank. Came in a few days with no leaks or cracks."
"Perfect tank! Highly recommend!"
"Very high quality tank"
"I love it! very nice looking tank!"
"Beautiful tank and great communication."
"The tank is beautiful, super clean silicone needed no touching up. No scratches and expertly packaged the box would have had to take some serious abuse to break the tank which is a relief."
"Great service and products! Place to shop for high quality tank gear that local fish stores don’t sell."
