Allcolor Rimless 21 Gallon Glass Aquarium

The Allcolor Rimless 21 Gallon Aquarium is a clean, modern tank that’s perfect for anyone who values both design and function. Its rimless construction gives a sleek, open look that enhances your aquascape and fish display, making it feel like a premium piece of décor as much as an aquarium.

At 21 gallons, it provides a healthy middle ground: large enough to maintain stable water conditions and support a small community of fish, yet compact enough to fit comfortably in most homes or offices. The extra water volume compared to smaller tanks makes it easier for beginners to succeed, while the rimless style is highly appealing to aquascaping enthusiasts.

Because it’s just the tank, you’ll need to add your own filter, heater, and lighting—but this flexibility lets you build a setup that matches your style and goals.

👉 In short: a stylish rimless 21-gallon tank that balances modern design with practical size, great for both committed beginners and experienced hobbyists.