Cube Rimless Aquarium

Symmetrical cube aquarium tanks are the perfect size for tighter spaces. This style of aquarium is ideal for livestock choices such as Betta fish, Neocaridina shrimp and smaller nano schooling fish species such as Tetras and Rasboras. Beginner or experienced hobbyist, a cube aquarium is a great start or addition to an existing collection of planted tanks.

MODEL VARIANTS: 16C, 20C, 25C, 30C, 40C, 45C, 50C, 60CS
VOLUME RANGE: 1 – 30.9 Gallons

Nano Rimless Aquarium

Increasing in popularity, nano aquarium tanks are the miniature versions of standard sized aquariums. They’re ideal for small displays such as a store countertop, nightstand or console table. With horizontal space, they allow for increased depth perception and creativity as well as swimming room for smaller species of fish and shrimp.

MODEL VARIANTS: 3N, 5N
VOLUME RANGE: 3 – 4 Gallons

Standard Rimless Aquarium

The most common aquarium sizes fall under the standard category. These consist of aquarium tanks ranging in sizes from 10 gallons to 100 gallons and up. These tanks offer a large amount of room for creating larger than life aquascape layouts. Common fauna choices are large schools of nano fish, smaller Cichlids, Gouramis, Angel fish, Discus and other medium sized tank inhabitants. Slightly on the larger size, they are a great canvas for unique nature aquariums.

MODEL VARIANTS: 45U, 60U, 75P, 90P, 90U, 120P, 120M, 120U, 150U, 180U
VOLUME RANGE: 9 – 156 Gallons

Long Rimless Aquarium

Long aquariums provide wide panoramic views and allow for longer aquascape layouts due to the generous amount of horizontal ground provided. Their elongated structure calls for elevated creativity and innovation. Nano schooling fish such as Tetras and Rasboras are ideal as they prefer plenty of horizontal swimming space to explore. Like the others, our long aquariums are clean, sleek and are a unique way to introduce a nature aquarium into any space.

MODEL VARIANTS: 45L, 60L, 90B, 90L
VOLUME RANGE: 3.8 – 21 Gallons

Shallow Rimless Aquarium

These provide a low panoramic view and require some creative aquascaping ideas as they lack general height. They make up for this with the amount of depth available and are overall wonderful canvases for growing aquatic plants emerged or would be excellent for a pond style layout. Lower level aquatic life such as Corydoras pygmaeus or Pygmy Cory Cats make great tank inhabitants as they tend to shoal together on the bottom of the tank and their curious sifting is fun to observe. Clean and sleek, the vibrant colors of the natural world held inside will come to life. No matter how small or big, these low aquarium tanks are the perfect way to introduce a unique nature aquarium into your space.

MODEL VARIANTS: 25S, 5S, 45S, 60S, 75S, 90S, 90SS, 120S, 120SS
VOLUME RANGE: 2 – 68 Gallons

Tall Rimless Aquarium

This aquarium category provides increased height, making them perfect for aquascapes that utilize creative verticality. The smaller models are ideal for a minimalistic approach to specimen display. This category highlights intricate details and encourages elevated ideas and techniques.

MODEL VARIANTS: 16T, 25T, 30T, 3T, 5T, 45T, 60T
VOLUME RANGE: 1.5 – 24.3 Gallons

ULTUM NATURE SYSTEMS TANK SIZE GUIDE

Ultum Nature Systems Glass Lids and Clear Clips

Glass lids are the perfect addition to your Ultum Nature Systems rimless glass aquarium tank. They are great for minimizing water evaporation and keeping even the most skittish fish, safe – all without compromising the clean aesthetic of a rimless planted tank. Crafted with precision, they fit any UNS tank while ensuring proper room for essential equipment.

NOTE: At this time, Ultum Nature Systems does not produce lids to fit 75P, 90P, 90U, 120U, 150U, and 180U tank sizes.