Ultra Clear Rimless Tank 16.9GAL 40x40x40 cm - High Clarity

In this review the Ultra Clear Rimless Tank is evaluated for aquascapers and hobbyists who prioritize visual clarity and refined construction. The bottom line is simple: this tank is best for anyone building a minimalist display where glass clarity and clean, uninterrupted corners matter most, because its low iron glass and 45-degree mitered edges deliver a noticeably truer color render and seamless sightlines. The review covers build, clarity, and practical fit in a home or studio aquarium setup.

Key Features

• Low iron ultra clear glass: The 91% clarity low iron panels reduce the green cast seen in standard glass so colors appear truer to life.
• 45-degree mitered corners: The polished, uninterrupted corners create a continuous visual flow that enhances planted aquascapes and photos.
• German made silicone: High quality bonding and moisture-rated adhesive provide durable seams for long term peace of mind.
• Included leveling mat: The non-slip mat offers base support and helps compensate for minor stand irregularities to protect the glass.
• Balanced dimensions: The 15.74 in cube shape and 16.9GAL capacity make it compact enough for desktops while giving meaningful water volume for aquascaping.

Who It's For

This rimless tank is ideal for experienced aquascapers and hobbyists who want a minimal, gallery-style display and value optical clarity and pristine seams. It suits small to medium planted layouts, shrimp colonies, or a focused fish centerpiece where unobstructed sightlines matter.

It is less suitable for complete beginners who want built-in filtration or accessories; buyers who need very large volume tanks or integrated equipment should look elsewhere. Also, users expecting pre-fitted tops or hoods should plan for separate lighting and cover solutions.

Pros & Cons

Pros

• Excellent glass clarity with noticeably reduced green tint, enhancing color accuracy in plant and fish displays.
• Clean 45-degree edges create an elegant, uninterrupted presentation ideal for photography and display.
• Solid build quality with German silicone bonding gives confidence in seam durability and long-term use.
• The included leveling mat is a practical touch that reduces risk from uneven stands and prevents slipping.

Cons

• Compact 16.9GAL capacity and cube footprint limit larger aquascapes and heavy equipment placement.
• Does not include a cover, hood, or integrated filter, so additional purchases are required for a complete setup.

Specifications

Model	40C
Capacity	16.9GAL | 64L
Dimensions	15.74 x 15.74 x 15.74 in (40 x 40 x 40 cm)
Glass thickness	6mm
Glass type	Low iron ultra clear (91% clarity)
Corner style	45-degree mitered edge
Included accessory	Leveling mat

Our Verdict

For aquascapers and display-focused hobbyists this rimless cube represents strong value: the low iron glass and mitered corners produce a display-quality window into an aquatic scene, while quality silicone bonding and a leveling mat add functional reliability. Buyers who need a compact, visually clean tank and will supply lighting and filtration separately will find it worth the price.

Frequently Asked Questions

Is the glass noticeably clearer than standard aquarium glass?
Yes, the low iron ultra clear glass shows less green tint than standard float glass, giving a truer color appearance.

Does the tank come with a filter or hood?
No, the package includes the tank and a leveling mat only; lighting and filtration must be added separately.

Is the tank suitable for planted aquascapes?
Yes, the cube shape, high clarity glass, and clean edges make it well suited to small planted layouts and display aquascapes.