Product Overview
The Ultum Nature Systems (UNS) 45E 3.8 Gallon Ultra Clear Rimless Paludarium allows hobbyists to seamlessly blend aquatic life with emersed aquarium plants and rare terrestrial species. Featuring a signature high-back (11.02") and low-front (4.53") profile, the 45E provides an open-air perspective for creating vertical moss walls, cascading waterfalls, and lush semi-aquatic habitats in a compact footprint.
Key Features & Benefits
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91% Diamant Ultra-Clear Glass: Premium low-iron glass eliminates the green tint found in standard aquariums for true-to-life color accuracy.
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45° Mitered Edges & German Silicone: Precision-cut 45-degree mitered joints double the bonding surface area for high-performance German clear silicone, forming stronger seams.
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Pre-Drilled Rear Plumbing Ports: Features two 20mm pre-drilled openings on the rear glass panel to seamlessly integrate plumbing for waterfall features, connect external canister filters, or discreetly pass electrical cords.
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Sealing Hole Plugs Included: Includes two white silicone plugs to securely seal the rear ports for hobbyists who prefer a self-contained setup without external plumbing.
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Acoustic Leveling Mat Included: Comes with a pre-cut dense foam leveling mat to absorb micro-vibrations, level minor surface irregularities, and prevent glass stress cracks.
Model Dimensions & Specifications
| Feature |
Specification |
| Model |
UNS 45E Paludarium |
| Footprint (L x W) |
17.71" x 11.02" (45 x 28 cm) |
| Front / Back Height |
4.53" / 11.02" (11.5 / 28 cm) |
| Total Volume |
3.8 Gallons (14.3 Liters) |
| Glass Thickness |
5 mm |
| Rear Hole Diameter |
20 mm (2 Ports) |
| Glass Type |
91% Clarity Diamant Low-Iron Glass |
| Branding |
Signature Laser-Etched UNS Corner Logo |
What's Included
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1x UNS 45E Ultra Clear Rimless Paludarium
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1x Custom-Fit Black Foam Leveling Mat
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2x White Rear Hole Plugs
Optional Add-On Equipment & Accessories
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Paludarium Bulkhead Fittings: Pair with the optional bulkhead set (2x fittings) to connect external canister filters cleanly through the rear panel.
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Compatible Canister Filters: Works seamlessly with UNS Delta series canister filters:
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Enclosure Lid Set: Convert the open-top paludarium into a closed, high-humidity habitat using the UNS Paludarium Enclosure Lid Set.
Frequently Asked Questions
1. What is the advantage of the high-back, low-front profile on the UNS 45E?
The low front panel (4.53") allows for an open, panoramic top-down view into the submerged aquatic section, while the tall back panel (11.02") provides structural support for mounting vertical moss walls, emergent driftwood, waterfall scapes, and terrestrial plants.
2. What are the pre-drilled 20mm holes on the back panel used for?
The rear openings are engineered to pass through bulkhead fittings for external canister filtration (such as the UNS Delta line), route plumbing for waterfall cascades, or neatly hide electrical wires for internal pumps. If external plumbing is not used, the included white silicone plugs seal the openings completely.
3. Why is a leveling mat necessary for rimless paludariums?
Because rimless glass enclosures rest directly on their bottom panel without a raised plastic frame, even microscopic surface imperfections on a stand can create concentrated stress points. The included foam mat absorbs vibrations and distributes weight evenly to prevent stress cracks.
