Rimless Glass Cube Aquariums for Aquascaping

Explore our collection and choose from popular cube sizes ranging from 1 to 30 gallons—or make a statement with an impressive 57-gallon tank!

Why Choose a Cube Aquarium?

Ultum Nature Systems (UNS) cube aquariums are a top choice for freshwater aquariums. These tanks feature low-iron, ultra-clear glass and offer clear visibility for aquascaping, freshwater fish and rare plants.

A Cube Tank for Every Hobbyist

Whether you're just beginning research, new to the hobby or working on a contest aquarium, there's a great cube for you:

Starter Kits: Our ready-to-go cube tank kits are convenient and include essential equipment for a plug-and-play setup.
Nano Cube Aquarium: Add Biophilic design elements to your desktop, countertop or any small space. Perfect for shrimp tanks or a beginner-friendly Betta Fish tank.
Large Cube Aquarium: Use these for traditional aquascaping, Iwagumi layouts, Wabi Kusa setups or to display rare plant specimen.
AIO Cube Aquarium: Start a planted tank without having to figure out additional gear like filters!